s. * @since 6.3.0 Added `column-count` property. * * @var array */ const PROPERTIES_METADATA = array( 'background' => array( 'color', 'gradient' ), 'background-color' => array( 'color', 'background' ), 'border-radius' => array( 'border', 'radius' ), 'border-top-left-radius' => array( 'border', 'radius', 'topLeft' ), 'border-top-right-radius' => array( 'border', 'radius', 'topRight' ), 'border-bottom-left-radius' => array( 'border', 'radius', 'bottomLeft' ), 'border-bottom-right-radius' => array( 'border', 'radius', 'bottomRight' ), 'border-color' => array( 'border', 'color' ), 'border-width' => array( 'border', 'width' ), 'border-style' => array( 'border', 'style' ), 'border-top-color' => array( 'border', 'top', 'color' ), 'border-top-width' => array( 'border', 'top', 'width' ), 'border-top-style' => array( 'border', 'top', 'style' ), 'border-right-color' => array( 'border', 'right', 'color' ), 'border-right-width' => array( 'border', 'right', 'width' ), 'border-right-style' => array( 'border', 'right', 'style' ), 'border-bottom-color' => array( 'border', 'bottom', 'color' ), 'border-bottom-width' => array( 'border', 'bottom', 'width' ), 'border-bottom-style' => array( 'border', 'bottom', 'style' ), 'border-left-color' => array( 'border', 'left', 'color' ), 'border-left-width' => array( 'border', 'left', 'width' ), 'border-left-style' => array( 'border', 'left', 'style' ), 'color' => array( 'color', 'text' ), 'column-count' => array( 'typography', 'textColumns' ), 'font-family' => array( 'typography', 'fontFamily' ), 'font-size' => array( 'typography', 'fontSize' ), 'font-style' => array( 'typography', 'fontStyle' ), 'font-weight' => array( 'typography', 'fontWeight' ), 'letter-spacing' => array( 'typography', 'letterSpacing' ), 'line-height' => array( 'typography', 'lineHeight' ), 'margin' => array( 'spacing', 'margin' ), 'margin-top' => array( 'spacing', 'margin', 'top' ), 'margin-right' => array( 'spacing', 'margin', 'right' ), 'margin-bottom' => array( 'spacing', 'margin', 'bottom' ), 'margin-left' => array( 'spacing', 'margin', 'left' ), 'min-height' => array( 'dimensions', 'minHeight' ), 'outline-color' => array( 'outline', 'color' ), 'outline-offset' => array( 'outline', 'offset' ), 'outline-style' => array( 'outline', 'style' ), 'outline-width' => array( 'outline', 'width' ), 'padding' => array( 'spacing', 'padding' ), 'padding-top' => array( 'spacing', 'padding', 'top' ), 'padding-right' => array( 'spacing', 'padding', 'right' ), 'padding-bottom' => array( 'spacing', 'padding', 'bottom' ), 'padding-left' => array( 'spacing', 'padding', 'left' ), '--wp--style--root--padding' => array( 'spacing', 'padding' ), '--wp--style--root--padding-top' => array( 'spacing', 'padding', 'top' ), '--wp--style--root--padding-right' => array( 'spacing', 'padding', 'right' ), '--wp--style--root--padding-bottom' => array( 'spacing', 'padding', 'bottom' ), '--wp--style--root--padding-left' => array( 'spacing', 'padding', 'left' ), 'text-decoration' => array( 'typography', 'textDecoration' ), 'text-transform' => array( 'typography', 'textTransform' ), 'filter' => array( 'filter', 'duotone' ), 'box-shadow' => array( 'shadow' ), ); /** * Indirect metadata for style properties that are not directly output. * * Each element maps from a CSS property name to an array of * paths to the value in theme.json & block attributes. * * Indirect properties are not output directly by `compute_style_properties`, * but are used elsewhere in the processing of global styles. The indirect * property is used to validate whether or not a style value is allowed. * * @since 6.2.0 * * @var array */ const INDIRECT_PROPERTIES_METADATA = array( 'gap' => array( array( 'spacing', 'blockGap' ), ), 'column-gap' => array( array( 'spacing', 'blockGap', 'left' ), ), 'row-gap' => array( array( 'spacing', 'blockGap', 'top' ), ), 'max-width' => array( array( 'layout', 'contentSize' ), array( 'layout', 'wideSize' ), ), ); /** * Protected style properties. * * These style properties are only rendered if a setting enables it * via a value other than `null`. * * Each element maps the style property to the corresponding theme.json * setting key. * * @since 5.9.0 */ const PROTECTED_PROPERTIES = array( 'spacing.blockGap' => array( 'spacing', 'blockGap' ), ); /** * The top-level keys a theme.json can have. * * @since 5.8.0 As `ALLOWED_TOP_LEVEL_KEYS`. * @since 5.9.0 Renamed from `ALLOWED_TOP_LEVEL_KEYS` to `VALID_TOP_LEVEL_KEYS`, * added the `customTemplates` and `templateParts` values. * @since 6.3.0 Added the `description` value. * @var string[] */ const VALID_TOP_LEVEL_KEYS = array( 'customTemplates', 'description', 'patterns', 'settings', 'styles', 'templateParts', 'title', 'version', ); /** * The valid properties under the settings key. * * @since 5.8.0 As `ALLOWED_SETTINGS`. * @since 5.9.0 Renamed from `ALLOWED_SETTINGS` to `VALID_SETTINGS`, * added new properties for `border`, `color`, `spacing`, * and `typography`, and renamed others according to the new schema. * @since 6.0.0 Added `color.defaultDuotone`. * @since 6.1.0 Added `layout.definitions` and `useRootPaddingAwareAlignments`. * @since 6.2.0 Added `dimensions.minHeight`, 'shadow.presets', 'shadow.defaultPresets', * `position.fixed` and `position.sticky`. * @since 6.3.0 Added support for `typography.textColumns`, removed `layout.definitions`. * * @var array */ const VALID_SETTINGS = array( 'appearanceTools' => null, 'useRootPaddingAwareAlignments' => null, 'border' => array( 'color' => null, 'radius' => null, 'style' => null, 'width' => null, ), 'color' => array( 'background' => null, 'custom' => null, 'customDuotone' => null, 'customGradient' => null, 'defaultDuotone' => null, 'defaultGradients' => null, 'defaultPalette' => null, 'duotone' => null, 'gradients' => null, 'link' => null, 'heading' => null, 'button' => null, 'caption' => null, 'palette' => null, 'text' => null, ), 'custom' => null, 'dimensions' => array( 'minHeight' => null, ), 'layout' => array( 'contentSize' => null, 'wideSize' => null, ), 'position' => array( 'fixed' => null, 'sticky' => null, ), 'spacing' => array( 'customSpacingSize' => null, 'spacingSizes' => null, 'spacingScale' => null, 'blockGap' => null, 'margin' => null, 'padding' => null, 'units' => null, ), 'shadow' => array( 'presets' => null, 'defaultPresets' => null, ), 'typography' => array( 'fluid' => null, 'customFontSize' => null, 'dropCap' => null, 'fontFamilies' => null, 'fontSizes' => null, 'fontStyle' => null, 'fontWeight' => null, 'letterSpacing' => null, 'lineHeight' => null, 'textColumns' => null, 'textDecoration' => null, 'textTransform' => null, ), ); /** * The valid properties under the styles key. * * @since 5.8.0 As `ALLOWED_STYLES`. * @since 5.9.0 Renamed from `ALLOWED_STYLES` to `VALID_STYLES`, * added new properties for `border`, `filter`, `spacing`, * and `typography`. * @since 6.1.0 Added new side properties for `border`, * added new property `shadow`, * updated `blockGap` to be allowed at any level. * @since 6.2.0 Added `outline`, and `minHeight` properties. * @since 6.3.0 Added support for `typography.textColumns`. * * @var array */ const VALID_STYLES = array( 'border' => array( 'color' => null, 'radius' => null, 'style' => null, 'width' => null, 'top' => null, 'right' => null, 'bottom' => null, 'left' => null, ), 'color' => array( 'background' => null, 'gradient' => null, 'text' => null, ), 'dimensions' => array( 'minHeight' => null, ), 'filter' => array( 'duotone' => null, ), 'outline' => array( 'color' => null, 'offset' => null, 'style' => null, 'width' => null, ), 'shadow' => null, 'spacing' => array( 'margin' => null, 'padding' => null, 'blockGap' => null, ), 'typography' => array( 'fontFamily' => null, 'fontSize' => null, 'fontStyle' => null, 'fontWeight' => null, 'letterSpacing' => null, 'lineHeight' => null, 'textColumns' => null, 'textDecoration' => null, 'textTransform' => null, ), 'css' => null, ); /** * Defines which pseudo selectors are enabled for which elements. * * The order of the selectors should be: link, any-link, visited, hover, focus, active. * This is to ensure the user action (hover, focus and active) styles have a higher * specificity than the visited styles, which in turn have a higher specificity than * the unvisited styles. * * See https://core.trac.wordpress.org/ticket/56928. * Note: this will affect both top-level and block-level elements. * * @since 6.1.0 * @since 6.2.0 Added support for ':link' and ':any-link'. */ const VALID_ELEMENT_PSEUDO_SELECTORS = array( 'link' => array( ':link', ':any-link', ':visited', ':hover', ':focus', ':active' ), 'button' => array( ':link', ':any-link', ':visited', ':hover', ':focus', ':active' ), ); /** * The valid elements that can be found under styles. * * @since 5.8.0 * @since 6.1.0 Added `heading`, `button`, and `caption` elements. * @var string[] */ const ELEMENTS = array( 'link' => 'a:where(:not(.wp-element-button))', // The `where` is needed to lower the specificity. 'heading' => 'h1, h2, h3, h4, h5, h6', 'h1' => 'h1', 'h2' => 'h2', 'h3' => 'h3', 'h4' => 'h4', 'h5' => 'h5', 'h6' => 'h6', // We have the .wp-block-button__link class so that this will target older buttons that have been serialized. 'button' => '.wp-element-button, .wp-block-button__link', // The block classes are necessary to target older content that won't use the new class names. 'caption' => '.wp-element-caption, .wp-block-audio figcaption, .wp-block-embed figcaption, .wp-block-gallery figcaption, .wp-block-image figcaption, .wp-block-table figcaption, .wp-block-video figcaption', 'cite' => 'cite', ); const __EXPERIMENTAL_ELEMENT_CLASS_NAMES = array( 'button' => 'wp-element-button', 'caption' => 'wp-element-caption', ); /** * List of block support features that can have their related styles * generated under their own feature level selector rather than the block's. * * @since 6.1.0 * @var string[] */ const BLOCK_SUPPORT_FEATURE_LEVEL_SELECTORS = array( '__experimentalBorder' => 'border', 'color' => 'color', 'spacing' => 'spacing', 'typography' => 'typography', ); /** * Returns a class name by an element name. * * @since 6.1.0 * * @param string $element The name of the element. * @return string The name of the class. */ public static function get_element_class_name( $element ) { $class_name = ''; /* * TODO: Replace array_key_exists() with isset() check once WordPress drops * support for PHP 5.6. See https://core.trac.wordpress.org/ticket/57067. */ if ( array_key_exists( $element, static::__EXPERIMENTAL_ELEMENT_CLASS_NAMES ) ) { $class_name = static::__EXPERIMENTAL_ELEMENT_CLASS_NAMES[ $element ]; } return $class_name; } /** * Options that settings.appearanceTools enables. * * @since 6.0.0 * @since 6.2.0 Added `dimensions.minHeight` and `position.sticky`. * @var array */ const APPEARANCE_TOOLS_OPT_INS = array( array( 'border', 'color' ), array( 'border', 'radius' ), array( 'border', 'style' ), array( 'border', 'width' ), array( 'color', 'link' ), array( 'color', 'heading' ), array( 'color', 'button' ), array( 'color', 'caption' ), array( 'dimensions', 'minHeight' ), array( 'position', 'sticky' ), array( 'spacing', 'blockGap' ), array( 'spacing', 'margin' ), array( 'spacing', 'padding' ), array( 'typography', 'lineHeight' ), ); /** * The latest version of the schema in use. * * @since 5.8.0 * @since 5.9.0 Changed value from 1 to 2. * @var int */ const LATEST_SCHEMA = 2; /** * Constructor. * * @since 5.8.0 * * @param array $theme_json A structure that follows the theme.json schema. * @param string $origin Optional. What source of data this object represents. * One of 'default', 'theme', or 'custom'. Default 'theme'. */ public function __construct( $theme_json = array(), $origin = 'theme' ) { if ( ! in_array( $origin, static::VALID_ORIGINS, true ) ) { $origin = 'theme'; } $this->theme_json = WP_Theme_JSON_Schema::migrate( $theme_json ); $valid_block_names = array_keys( static::get_blocks_metadata() ); $valid_element_names = array_keys( static::ELEMENTS ); $valid_variations = array(); foreach ( self::get_blocks_metadata() as $block_name => $block_meta ) { if ( ! isset( $block_meta['styleVariations'] ) ) { continue; } $valid_variations[ $block_name ] = array_keys( $block_meta['styleVariations'] ); } $theme_json = static::sanitize( $this->theme_json, $valid_block_names, $valid_element_names, $valid_variations ); $this->theme_json = static::maybe_opt_in_into_settings( $theme_json ); // Internally, presets are keyed by origin. $nodes = static::get_setting_nodes( $this->theme_json ); foreach ( $nodes as $node ) { foreach ( static::PRESETS_METADATA as $preset_metadata ) { $path = $node['path']; foreach ( $preset_metadata['path'] as $subpath ) { $path[] = $subpath; } $preset = _wp_array_get( $this->theme_json, $path, null ); if ( null !== $preset ) { // If the preset is not already keyed by origin. if ( isset( $preset[0] ) || empty( $preset ) ) { _wp_array_set( $this->theme_json, $path, array( $origin => $preset ) ); } } } } } /** * Enables some opt-in settings if theme declared support. * * @since 5.9.0 * * @param array $theme_json A theme.json structure to modify. * @return array The modified theme.json structure. */ protected static function maybe_opt_in_into_settings( $theme_json ) { $new_theme_json = $theme_json; if ( isset( $new_theme_json['settings']['appearanceTools'] ) && true === $new_theme_json['settings']['appearanceTools'] ) { static::do_opt_in_into_settings( $new_theme_json['settings'] ); } if ( isset( $new_theme_json['settings']['blocks'] ) && is_array( $new_theme_json['settings']['blocks'] ) ) { foreach ( $new_theme_json['settings']['blocks'] as &$block ) { if ( isset( $block['appearanceTools'] ) && ( true === $block['appearanceTools'] ) ) { static::do_opt_in_into_settings( $block ); } } } return $new_theme_json; } /** * Enables some settings. * * @since 5.9.0 * * @param array $context The context to which the settings belong. */ protected static function do_opt_in_into_settings( &$context ) { foreach ( static::APPEARANCE_TOOLS_OPT_INS as $path ) { /* * Use "unset prop" as a marker instead of "null" because * "null" can be a valid value for some props (e.g. blockGap). */ if ( 'unset prop' === _wp_array_get( $context, $path, 'unset prop' ) ) { _wp_array_set( $context, $path, true ); } } unset( $context['appearanceTools'] ); } /** * Sanitizes the input according to the schemas. * * @since 5.8.0 * @since 5.9.0 Added the `$valid_block_names` and `$valid_element_name` parameters. * @since 6.3.0 Added the `$valid_variations` parameter. * * @param array $input Structure to sanitize. * @param array $valid_block_names List of valid block names. * @param array $valid_element_names List of valid element names. * @param array $valid_variations List of valid variations per block. * @return array The sanitized output. */ protected static function sanitize( $input, $valid_block_names, $valid_element_names, $valid_variations ) { $output = array(); if ( ! is_array( $input ) ) { return $output; } // Preserve only the top most level keys. $output = array_intersect_key( $input, array_flip( static::VALID_TOP_LEVEL_KEYS ) ); /* * Remove any rules that are annotated as "top" in VALID_STYLES constant. * Some styles are only meant to be available at the top-level (e.g.: blockGap), * hence, the schema for blocks & elements should not have them. */ $styles_non_top_level = static::VALID_STYLES; foreach ( array_keys( $styles_non_top_level ) as $section ) { // array_key_exists() needs to be used instead of isset() because the value can be null. if ( array_key_exists( $section, $styles_non_top_level ) && is_array( $styles_non_top_level[ $section ] ) ) { foreach ( array_keys( $styles_non_top_level[ $section ] ) as $prop ) { if ( 'top' === $styles_non_top_level[ $section ][ $prop ] ) { unset( $styles_non_top_level[ $section ][ $prop ] ); } } } } // Build the schema based on valid block & element names. $schema = array(); $schema_styles_elements = array(); /* * Set allowed element pseudo selectors based on per element allow list. * Target data structure in schema: * e.g. * - top level elements: `$schema['styles']['elements']['link'][':hover']`. * - block level elements: `$schema['styles']['blocks']['core/button']['elements']['link'][':hover']`. */ foreach ( $valid_element_names as $element ) { $schema_styles_elements[ $element ] = $styles_non_top_level; /* * TODO: Replace array_key_exists() with isset() check once WordPress drops * support for PHP 5.6. See https://core.trac.wordpress.org/ticket/57067. */ if ( array_key_exists( $element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) ) { foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] as $pseudo_selector ) { $schema_styles_elements[ $element ][ $pseudo_selector ] = $styles_non_top_level; } } } $schema_styles_blocks = array(); $schema_settings_blocks = array(); foreach ( $valid_block_names as $block ) { // Build the schema for each block style variation. $style_variation_names = array(); if ( ! empty( $input['styles']['blocks'][ $block ]['variations'] ) && is_array( $input['styles']['blocks'][ $block ]['variations'] ) && isset( $valid_variations[ $block ] ) ) { $style_variation_names = array_intersect( array_keys( $input['styles']['blocks'][ $block ]['variations'] ), $valid_variations[ $block ] ); } $schema_styles_variations = array(); if ( ! empty( $style_variation_names ) ) { $schema_styles_variations = array_fill_keys( $style_variation_names, $styles_non_top_level ); } $schema_settings_blocks[ $block ] = static::VALID_SETTINGS; $schema_styles_blocks[ $block ] = $styles_non_top_level; $schema_styles_blocks[ $block ]['elements'] = $schema_styles_elements; $schema_styles_blocks[ $block ]['variations'] = $schema_styles_variations; } $schema['styles'] = static::VALID_STYLES; $schema['styles']['blocks'] = $schema_styles_blocks; $schema['styles']['elements'] = $schema_styles_elements; $schema['settings'] = static::VALID_SETTINGS; $schema['settings']['blocks'] = $schema_settings_blocks; // Remove anything that's not present in the schema. foreach ( array( 'styles', 'settings' ) as $subtree ) { if ( ! isset( $input[ $subtree ] ) ) { continue; } if ( ! is_array( $input[ $subtree ] ) ) { unset( $output[ $subtree ] ); continue; } $result = static::remove_keys_not_in_schema( $input[ $subtree ], $schema[ $subtree ] ); if ( empty( $result ) ) { unset( $output[ $subtree ] ); } else { $output[ $subtree ] = static::resolve_custom_css_format( $result ); } } return $output; } /** * Appends a sub-selector to an existing one. * * Given the compounded $selector "h1, h2, h3" * and the $to_append selector ".some-class" the result will be * "h1.some-class, h2.some-class, h3.some-class". * * @since 5.8.0 * @since 6.1.0 Added append position. * @since 6.3.0 Removed append position parameter. * * @param string $selector Original selector. * @param string $to_append Selector to append. * @return string The new selector. */ protected static function append_to_selector( $selector, $to_append ) { if ( ! str_contains( $selector, ',' ) ) { return $selector . $to_append; } $new_selectors = array(); $selectors = explode( ',', $selector ); foreach ( $selectors as $sel ) { $new_selectors[] = $sel . $to_append; } return implode( ',', $new_selectors ); } /** * Prepends a sub-selector to an existing one. * * Given the compounded $selector "h1, h2, h3" * and the $to_prepend selector ".some-class " the result will be * ".some-class h1, .some-class h2, .some-class h3". * * @since 6.3.0 * * @param string $selector Original selector. * @param string $to_prepend Selector to prepend. * @return string The new selector. */ protected static function prepend_to_selector( $selector, $to_prepend ) { if ( ! str_contains( $selector, ',' ) ) { return $to_prepend . $selector; } $new_selectors = array(); $selectors = explode( ',', $selector ); foreach ( $selectors as $sel ) { $new_selectors[] = $to_prepend . $sel; } return implode( ',', $new_selectors ); } /** * Returns the metadata for each block. * * Example: * * { * 'core/paragraph': { * 'selector': 'p', * 'elements': { * 'link' => 'link selector', * 'etc' => 'element selector' * } * }, * 'core/heading': { * 'selector': 'h1', * 'elements': {} * }, * 'core/image': { * 'selector': '.wp-block-image', * 'duotone': 'img', * 'elements': {} * } * } * * @since 5.8.0 * @since 5.9.0 Added `duotone` key with CSS selector. * @since 6.1.0 Added `features` key with block support feature level selectors. * @since 6.3.0 Refactored and stabilized selectors API. * * @return array Block metadata. */ protected static function get_blocks_metadata() { $registry = WP_Block_Type_Registry::get_instance(); $blocks = $registry->get_all_registered(); // Is there metadata for all currently registered blocks? $blocks = array_diff_key( $blocks, static::$blocks_metadata ); if ( empty( $blocks ) ) { return static::$blocks_metadata; } foreach ( $blocks as $block_name => $block_type ) { $root_selector = wp_get_block_css_selector( $block_type ); static::$blocks_metadata[ $block_name ]['selector'] = $root_selector; static::$blocks_metadata[ $block_name ]['selectors'] = static::get_block_selectors( $block_type, $root_selector ); $elements = static::get_block_element_selectors( $root_selector ); if ( ! empty( $elements ) ) { static::$blocks_metadata[ $block_name ]['elements'] = $elements; } // The block may or may not have a duotone selector. $duotone_selector = wp_get_block_css_selector( $block_type, 'filter.duotone' ); // Keep backwards compatibility for support.color.__experimentalDuotone. if ( null === $duotone_selector ) { $duotone_support = _wp_array_get( $block_type->supports, array( 'color', '__experimentalDuotone' ), null ); if ( $duotone_support ) { $root_selector = wp_get_block_css_selector( $block_type ); $duotone_selector = WP_Theme_JSON::scope_selector( $root_selector, $duotone_support ); } } if ( null !== $duotone_selector ) { static::$blocks_metadata[ $block_name ]['duotone'] = $duotone_selector; } // If the block has style variations, append their selectors to the block metadata. if ( ! empty( $block_type->styles ) ) { $style_selectors = array(); foreach ( $block_type->styles as $style ) { // The style variation classname is duplicated in the selector to ensure that it overrides core block styles. $style_selectors[ $style['name'] ] = static::append_to_selector( '.is-style-' . $style['name'] . '.is-style-' . $style['name'], static::$blocks_metadata[ $block_name ]['selector'] ); } static::$blocks_metadata[ $block_name ]['styleVariations'] = $style_selectors; } } return static::$blocks_metadata; } /** * Given a tree, removes the keys that are not present in the schema. * * It is recursive and modifies the input in-place. * * @since 5.8.0 * * @param array $tree Input to process. * @param array $schema Schema to adhere to. * @return array The modified $tree. */ protected static function remove_keys_not_in_schema( $tree, $schema ) { $tree = array_intersect_key( $tree, $schema ); foreach ( $schema as $key => $data ) { if ( ! isset( $tree[ $key ] ) ) { continue; } if ( is_array( $schema[ $key ] ) && is_array( $tree[ $key ] ) ) { $tree[ $key ] = static::remove_keys_not_in_schema( $tree[ $key ], $schema[ $key ] ); if ( empty( $tree[ $key ] ) ) { unset( $tree[ $key ] ); } } elseif ( is_array( $schema[ $key ] ) && ! is_array( $tree[ $key ] ) ) { unset( $tree[ $key ] ); } } return $tree; } /** * Returns the existing settings for each block. * * Example: * * { * 'root': { * 'color': { * 'custom': true * } * }, * 'core/paragraph': { * 'spacing': { * 'customPadding': true * } * } * } * * @since 5.8.0 * * @return array Settings per block. */ public function get_settings() { if ( ! isset( $this->theme_json['settings'] ) ) { return array(); } else { return $this->theme_json['settings']; } } /** * Returns the stylesheet that results of processing * the theme.json structure this object represents. * * @since 5.8.0 * @since 5.9.0 Removed the `$type` parameter, added the `$types` and `$origins` parameters. * @since 6.3.0 Add fallback layout styles for Post Template when block gap support isn't available. * * @param string[] $types Types of styles to load. Will load all by default. It accepts: * - `variables`: only the CSS Custom Properties for presets & custom ones. * - `styles`: only the styles section in theme.json. * - `presets`: only the classes for the presets. * @param string[] $origins A list of origins to include. By default it includes VALID_ORIGINS. * @param array $options An array of options for now used for internal purposes only (may change without notice). * The options currently supported are 'scope' that makes sure all style are scoped to a * given selector, and root_selector which overwrites and forces a given selector to be * used on the root node. * @return string The resulting stylesheet. */ public function get_stylesheet( $types = array( 'variables', 'styles', 'presets' ), $origins = null, $options = array() ) { if ( null === $origins ) { $origins = static::VALID_ORIGINS; } if ( is_string( $types ) ) { // Dispatch error and map old arguments to new ones. _deprecated_argument( __FUNCTION__, '5.9.0' ); if ( 'block_styles' === $types ) { $types = array( 'styles', 'presets' ); } elseif ( 'css_variables' === $types ) { $types = array( 'variables' ); } else { $types = array( 'variables', 'styles', 'presets' ); } } $blocks_metadata = static::get_blocks_metadata(); $style_nodes = static::get_style_nodes( $this->theme_json, $blocks_metadata ); $setting_nodes = static::get_setting_nodes( $this->theme_json, $blocks_metadata ); $root_style_key = array_search( static::ROOT_BLOCK_SELECTOR, array_column( $style_nodes, 'selector' ), true ); $root_settings_key = array_search( static::ROOT_BLOCK_SELECTOR, array_column( $setting_nodes, 'selector' ), true ); if ( ! empty( $options['scope'] ) ) { foreach ( $setting_nodes as &$node ) { $node['selector'] = static::scope_selector( $options['scope'], $node['selector'] ); } foreach ( $style_nodes as &$node ) { $node['selector'] = static::scope_selector( $options['scope'], $node['selector'] ); } } if ( ! empty( $options['root_selector'] ) ) { if ( false !== $root_settings_key ) { $setting_nodes[ $root_settings_key ]['selector'] = $options['root_selector']; } if ( false !== $root_style_key ) { $setting_nodes[ $root_style_key ]['selector'] = $options['root_selector']; } } $stylesheet = ''; if ( in_array( 'variables', $types, true ) ) { $stylesheet .= $this->get_css_variables( $setting_nodes, $origins ); } if ( in_array( 'styles', $types, true ) ) { if ( false !== $root_style_key ) { $stylesheet .= $this->get_root_layout_rules( $style_nodes[ $root_style_key ]['selector'], $style_nodes[ $root_style_key ] ); } $stylesheet .= $this->get_block_classes( $style_nodes ); } elseif ( in_array( 'base-layout-styles', $types, true ) ) { $root_selector = static::ROOT_BLOCK_SELECTOR; $columns_selector = '.wp-block-columns'; $post_template_selector = '.wp-block-post-template'; if ( ! empty( $options['scope'] ) ) { $root_selector = static::scope_selector( $options['scope'], $root_selector ); $columns_selector = static::scope_selector( $options['scope'], $columns_selector ); $post_template_selector = static::scope_selector( $options['scope'], $post_template_selector ); } if ( ! empty( $options['root_selector'] ) ) { $root_selector = $options['root_selector']; } /* * Base layout styles are provided as part of `styles`, so only output separately if explicitly requested. * For backwards compatibility, the Columns block is explicitly included, to support a different default gap value. */ $base_styles_nodes = array( array( 'path' => array( 'styles' ), 'selector' => $root_selector, ), array( 'path' => array( 'styles', 'blocks', 'core/columns' ), 'selector' => $columns_selector, 'name' => 'core/columns', ), array( 'path' => array( 'styles', 'blocks', 'core/post-template' ), 'selector' => $post_template_selector, 'name' => 'core/post-template', ), ); foreach ( $base_styles_nodes as $base_style_node ) { $stylesheet .= $this->get_layout_styles( $base_style_node ); } } if ( in_array( 'presets', $types, true ) ) { $stylesheet .= $this->get_preset_classes( $setting_nodes, $origins ); } return $stylesheet; } /** * Processes the CSS, to apply nesting. * * @since 6.2.0 * * @param string $css The CSS to process. * @param string $selector The selector to nest. * @return string The processed CSS. */ protected function process_blocks_custom_css( $css, $selector ) { $processed_css = ''; // Split CSS nested rules. $parts = explode( '&', $css ); foreach ( $parts as $part ) { $processed_css .= ( ! str_contains( $part, '{' ) ) ? trim( $selector ) . '{' . trim( $part ) . '}' // If the part doesn't contain braces, it applies to the root level. : trim( $selector . $part ); // Prepend the selector, which effectively replaces the "&" character. } return $processed_css; } /** * Returns the global styles custom CSS. * * @since 6.2.0 * * @return string The global styles custom CSS. */ public function get_custom_css() { // Add the global styles root CSS. $stylesheet = _wp_array_get( $this->theme_json, array( 'styles', 'css' ), '' ); // Add the global styles block CSS. if ( isset( $this->theme_json['styles']['blocks'] ) ) { foreach ( $this->theme_json['styles']['blocks'] as $name => $node ) { $custom_block_css = _wp_array_get( $this->theme_json, array( 'styles', 'blocks', $name, 'css' ) ); if ( $custom_block_css ) { $selector = static::$blocks_metadata[ $name ]['selector']; $stylesheet .= $this->process_blocks_custom_css( $custom_block_css, $selector ); } } } return $stylesheet; } /** * Returns the page templates of the active theme. * * @since 5.9.0 * * @return array */ public function get_custom_templates() { $custom_templates = array(); if ( ! isset( $this->theme_json['customTemplates'] ) || ! is_array( $this->theme_json['customTemplates'] ) ) { return $custom_templates; } foreach ( $this->theme_json['customTemplates'] as $item ) { if ( isset( $item['name'] ) ) { $custom_templates[ $item['name'] ] = array( 'title' => isset( $item['title'] ) ? $item['title'] : '', 'postTypes' => isset( $item['postTypes'] ) ? $item['postTypes'] : array( 'page' ), ); } } return $custom_templates; } /** * Returns the template part data of active theme. * * @since 5.9.0 * * @return array */ public function get_template_parts() { $template_parts = array(); if ( ! isset( $this->theme_json['templateParts'] ) || ! is_array( $this->theme_json['templateParts'] ) ) { return $template_parts; } foreach ( $this->theme_json['templateParts'] as $item ) { if ( isset( $item['name'] ) ) { $template_parts[ $item['name'] ] = array( 'title' => isset( $item['title'] ) ? $item['title'] : '', 'area' => isset( $item['area'] ) ? $item['area'] : '', ); } } return $template_parts; } /** * Converts each style section into a list of rulesets * containing the block styles to be appended to the stylesheet. * * See glossary at https://developer.mozilla.org/en-US/docs/Web/CSS/Syntax * * For each section this creates a new ruleset such as: * * block-selector { * style-property-one: value; * } * * @since 5.8.0 As `get_block_styles()`. * @since 5.9.0 Renamed from `get_block_styles()` to `get_block_classes()` * and no longer returns preset classes. * Removed the `$setting_nodes` parameter. * @since 6.1.0 Moved most internal logic to `get_styles_for_block()`. * * @param array $style_nodes Nodes with styles. * @return string The new stylesheet. */ protected function get_block_classes( $style_nodes ) { $block_rules = ''; foreach ( $style_nodes as $metadata ) { if ( null === $metadata['selector'] ) { continue; } $block_rules .= static::get_styles_for_block( $metadata ); } return $block_rules; } /** * Gets the CSS layout rules for a particular block from theme.json layout definitions. * * @since 6.1.0 * @since 6.3.0 Reduced specificity for layout margin rules. * * @param array $block_metadata Metadata about the block to get styles for. * @return string Layout styles for the block. */ protected function get_layout_styles( $block_metadata ) { $block_rules = ''; $block_type = null; // Skip outputting layout styles if explicitly disabled. if ( current_theme_supports( 'disable-layout-styles' ) ) { return $block_rules; } if ( isset( $block_metadata['name'] ) ) { $block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block_metadata['name'] ); if ( ! block_has_support( $block_type, array( 'layout' ), false ) && ! block_has_support( $block_type, array( '__experimentalLayout' ), false ) ) { return $block_rules; } } $selector = isset( $block_metadata['selector'] ) ? $block_metadata['selector'] : ''; $has_block_gap_support = _wp_array_get( $this->theme_json, array( 'settings', 'spacing', 'blockGap' ) ) !== null; $has_fallback_gap_support = ! $has_block_gap_support; // This setting isn't useful yet: it exists as a placeholder for a future explicit fallback gap styles support. $node = _wp_array_get( $this->theme_json, $block_metadata['path'], array() ); $layout_definitions = wp_get_layout_definitions(); $layout_selector_pattern = '/^[a-zA-Z0-9\-\.\ *+>:\(\)]*$/'; // Allow alphanumeric classnames, spaces, wildcard, sibling, child combinator and pseudo class selectors. /* * Gap styles will only be output if the theme has block gap support, or supports a fallback gap. * Default layout gap styles will be skipped for themes that do not explicitly opt-in to blockGap with a `true` or `false` value. */ if ( $has_block_gap_support || $has_fallback_gap_support ) { $block_gap_value = null; // Use a fallback gap value if block gap support is not available. if ( ! $has_block_gap_support ) { $block_gap_value = static::ROOT_BLOCK_SELECTOR === $selector ? '0.5em' : null; if ( ! empty( $block_type ) ) { $block_gap_value = _wp_array_get( $block_type->supports, array( 'spacing', 'blockGap', '__experimentalDefault' ), null ); } } else { $block_gap_value = static::get_property_value( $node, array( 'spacing', 'blockGap' ) ); } // Support split row / column values and concatenate to a shorthand value. if ( is_array( $block_gap_value ) ) { if ( isset( $block_gap_value['top'] ) && isset( $block_gap_value['left'] ) ) { $gap_row = static::get_property_value( $node, array( 'spacing', 'blockGap', 'top' ) ); $gap_column = static::get_property_value( $node, array( 'spacing', 'blockGap', 'left' ) ); $block_gap_value = $gap_row === $gap_column ? $gap_row : $gap_row . ' ' . $gap_column; } else { // Skip outputting gap value if not all sides are provided. $block_gap_value = null; } } // If the block should have custom gap, add the gap styles. if ( null !== $block_gap_value && false !== $block_gap_value && '' !== $block_gap_value ) { foreach ( $layout_definitions as $layout_definition_key => $layout_definition ) { // Allow outputting fallback gap styles for flex and grid layout types when block gap support isn't available. if ( ! $has_block_gap_support && 'flex' !== $layout_definition_key && 'grid' !== $layout_definition_key ) { continue; } $class_name = sanitize_title( _wp_array_get( $layout_definition, array( 'className' ), false ) ); $spacing_rules = _wp_array_get( $layout_definition, array( 'spacingStyles' ), array() ); if ( ! empty( $class_name ) && ! empty( $spacing_rules ) ) { foreach ( $spacing_rules as $spacing_rule ) { $declarations = array(); if ( isset( $spacing_rule['selector'] ) && preg_match( $layout_selector_pattern, $spacing_rule['selector'] ) && ! empty( $spacing_rule['rules'] ) ) { // Iterate over each of the styling rules and substitute non-string values such as `null` with the real `blockGap` value. foreach ( $spacing_rule['rules'] as $css_property => $css_value ) { $current_css_value = is_string( $css_value ) ? $css_value : $block_gap_value; if ( static::is_safe_css_declaration( $css_property, $current_css_value ) ) { $declarations[] = array( 'name' => $css_property, 'value' => $current_css_value, ); } } if ( ! $has_block_gap_support ) { // For fallback gap styles, use lower specificity, to ensure styles do not unintentionally override theme styles. $format = static::ROOT_BLOCK_SELECTOR === $selector ? ':where(.%2$s%3$s)' : ':where(%1$s.%2$s%3$s)'; $layout_selector = sprintf( $format, $selector, $class_name, $spacing_rule['selector'] ); } else { $format = static::ROOT_BLOCK_SELECTOR === $selector ? ':where(%s .%s) %s' : '%s-%s%s'; $layout_selector = sprintf( $format, $selector, $class_name, $spacing_rule['selector'] ); } $block_rules .= static::to_ruleset( $layout_selector, $declarations ); } } } } } } // Output base styles. if ( static::ROOT_BLOCK_SELECTOR === $selector ) { $valid_display_modes = array( 'block', 'flex', 'grid' ); foreach ( $layout_definitions as $layout_definition ) { $class_name = sanitize_title( _wp_array_get( $layout_definition, array( 'className' ), false ) ); $base_style_rules = _wp_array_get( $layout_definition, array( 'baseStyles' ), array() ); if ( ! empty( $class_name ) && is_array( $base_style_rules ) ) { // Output display mode. This requires special handling as `display` is not exposed in `safe_style_css_filter`. if ( ! empty( $layout_definition['displayMode'] ) && is_string( $layout_definition['displayMode'] ) && in_array( $layout_definition['displayMode'], $valid_display_modes, true ) ) { $layout_selector = sprintf( '%s .%s', $selector, $class_name ); $block_rules .= static::to_ruleset( $layout_selector, array( array( 'name' => 'display', 'value' => $layout_definition['displayMode'], ), ) ); } foreach ( $base_style_rules as $base_style_rule ) { $declarations = array(); if ( isset( $base_style_rule['selector'] ) && preg_match( $layout_selector_pattern, $base_style_rule['selector'] ) && ! empty( $base_style_rule['rules'] ) ) { foreach ( $base_style_rule['rules'] as $css_property => $css_value ) { if ( static::is_safe_css_declaration( $css_property, $css_value ) ) { $declarations[] = array( 'name' => $css_property, 'value' => $css_value, ); } } $layout_selector = sprintf( '%s .%s%s', $selector, $class_name, $base_style_rule['selector'] ); $block_rules .= static::to_ruleset( $layout_selector, $declarations ); } } } } } return $block_rules; } /** * Creates new rulesets as classes for each preset value such as: * * .has-value-color { * color: value; * } * * .has-value-background-color { * background-color: value; * } * * .has-value-font-size { * font-size: value; * } * * .has-value-gradient-background { * background: value; * } * * p.has-value-gradient-background { * background: value; * } * * @since 5.9.0 * * @param array $setting_nodes Nodes with settings. * @param string[] $origins List of origins to process presets from. * @return string The new stylesheet. */ protected function get_preset_classes( $setting_nodes, $origins ) { $preset_rules = ''; foreach ( $setting_nodes as $metadata ) { if ( null === $metadata['selector'] ) { continue; } $selector = $metadata['selector']; $node = _wp_array_get( $this->theme_json, $metadata['path'], array() ); $preset_rules .= static::compute_preset_classes( $node, $selector, $origins ); } return $preset_rules; } /** * Converts each styles section into a list of rulesets * to be appended to the stylesheet. * These rulesets contain all the css variables (custom variables and preset variables). * * See glossary at https://developer.mozilla.org/en-US/docs/Web/CSS/Syntax * * For each section this creates a new ruleset such as: * * block-selector { * --wp--preset--category--slug: value; * --wp--custom--variable: value; * } * * @since 5.8.0 * @since 5.9.0 Added the `$origins` parameter. * * @param array $nodes Nodes with settings. * @param string[] $origins List of origins to process. * @return string The new stylesheet. */ protected function get_css_variables( $nodes, $origins ) { $stylesheet = ''; foreach ( $nodes as $metadata ) { if ( null === $metadata['selector'] ) { continue; } $selector = $metadata['selector']; $node = _wp_array_get( $this->theme_json, $metadata['path'], array() ); $declarations = static::compute_preset_vars( $node, $origins ); $theme_vars_declarations = static::compute_theme_vars( $node ); foreach ( $theme_vars_declarations as $theme_vars_declaration ) { $declarations[] = $theme_vars_declaration; } $stylesheet .= static::to_ruleset( $selector, $declarations ); } return $stylesheet; } /** * Given a selector and a declaration list, * creates the corresponding ruleset. * * @since 5.8.0 * * @param string $selector CSS selector. * @param array $declarations List of declarations. * @return string The resulting CSS ruleset. */ protected static function to_ruleset( $selector, $declarations ) { if ( empty( $declarations ) ) { return ''; } $declaration_block = array_reduce( $declarations, static function ( $carry, $element ) { return $carry .= $element['name'] . ': ' . $element['value'] . ';'; }, '' ); return $selector . '{' . $declaration_block . '}'; } /** * Given a settings array, returns the generated rulesets * for the preset classes. * * @since 5.8.0 * @since 5.9.0 Added the `$origins` parameter. * * @param array $settings Settings to process. * @param string $selector Selector wrapping the classes. * @param string[] $origins List of origins to process. * @return string The result of processing the presets. */ protected static function compute_preset_classes( $settings, $selector, $origins ) { if ( static::ROOT_BLOCK_SELECTOR === $selector ) { /* * Classes at the global level do not need any CSS prefixed, * and we don't want to increase its specificity. */ $selector = ''; } $stylesheet = ''; foreach ( static::PRESETS_METADATA as $preset_metadata ) { $slugs = static::get_settings_slugs( $settings, $preset_metadata, $origins ); foreach ( $preset_metadata['classes'] as $class => $property ) { foreach ( $slugs as $slug ) { $css_var = static::replace_slug_in_string( $preset_metadata['css_vars'], $slug ); $class_name = static::replace_slug_in_string( $class, $slug ); // $selector is often empty, so we can save ourselves the `append_to_selector()` call then. $new_selector = '' === $selector ? $class_name : static::append_to_selector( $selector, $class_name ); $stylesheet .= static::to_ruleset( $new_selector, array( array( 'name' => $property, 'value' => 'var(' . $css_var . ') !important', ), ) ); } } } return $stylesheet; } /** * Function that scopes a selector with another one. This works a bit like * SCSS nesting except the `&` operator isn't supported. * * * $scope = '.a, .b .c'; * $selector = '> .x, .y'; * $merged = scope_selector( $scope, $selector ); * // $merged is '.a > .x, .a .y, .b .c > .x, .b .c .y' * * * @since 5.9.0 * * @param string $scope Selector to scope to. * @param string $selector Original selector. * @return string Scoped selector. */ public static function scope_selector( $scope, $selector ) { $scopes = explode( ',', $scope ); $selectors = explode( ',', $selector ); $selectors_scoped = array(); foreach ( $scopes as $outer ) { foreach ( $selectors as $inner ) { $outer = trim( $outer ); $inner = trim( $inner ); if ( ! empty( $outer ) && ! empty( $inner ) ) { $selectors_scoped[] = $outer . ' ' . $inner; } elseif ( empty( $outer ) ) { $selectors_scoped[] = $inner; } elseif ( empty( $inner ) ) { $selectors_scoped[] = $outer; } } } $result = implode( ', ', $selectors_scoped ); return $result; } /** * Gets preset values keyed by slugs based on settings and metadata. * * * $settings = array( * 'typography' => array( * 'fontFamilies' => array( * array( * 'slug' => 'sansSerif', * 'fontFamily' => '"Helvetica Neue", sans-serif', * ), * array( * 'slug' => 'serif', * 'colors' => 'Georgia, serif', * ) * ), * ), * ); * $meta = array( * 'path' => array( 'typography', 'fontFamilies' ), * 'value_key' => 'fontFamily', * ); * $values_by_slug = get_settings_values_by_slug(); * // $values_by_slug === array( * // 'sans-serif' => '"Helvetica Neue", sans-serif', * // 'serif' => 'Georgia, serif', * // ); * * * @since 5.9.0 * * @param array $settings Settings to process. * @param array $preset_metadata One of the PRESETS_METADATA values. * @param string[] $origins List of origins to process. * @return array Array of presets where each key is a slug and each value is the preset value. */ protected static function get_settings_values_by_slug( $settings, $preset_metadata, $origins ) { $preset_per_origin = _wp_array_get( $settings, $preset_metadata['path'], array() ); $result = array(); foreach ( $origins as $origin ) { if ( ! isset( $preset_per_origin[ $origin ] ) ) { continue; } foreach ( $preset_per_origin[ $origin ] as $preset ) { $slug = _wp_to_kebab_case( $preset['slug'] ); $value = ''; if ( isset( $preset_metadata['value_key'], $preset[ $preset_metadata['value_key'] ] ) ) { $value_key = $preset_metadata['value_key']; $value = $preset[ $value_key ]; } elseif ( isset( $preset_metadata['value_func'] ) && is_callable( $preset_metadata['value_func'] ) ) { $value_func = $preset_metadata['value_func']; $value = call_user_func( $value_func, $preset ); } else { // If we don't have a value, then don't add it to the result. continue; } $result[ $slug ] = $value; } } return $result; } /** * Similar to get_settings_values_by_slug, but doesn't compute the value. * * @since 5.9.0 * * @param array $settings Settings to process. * @param array $preset_metadata One of the PRESETS_METADATA values. * @param string[] $origins List of origins to process. * @return array Array of presets where the key and value are both the slug. */ protected static function get_settings_slugs( $settings, $preset_metadata, $origins = null ) { if ( null === $origins ) { $origins = static::VALID_ORIGINS; } $preset_per_origin = _wp_array_get( $settings, $preset_metadata['path'], array() ); $result = array(); foreach ( $origins as $origin ) { if ( ! isset( $preset_per_origin[ $origin ] ) ) { continue; } foreach ( $preset_per_origin[ $origin ] as $preset ) { $slug = _wp_to_kebab_case( $preset['slug'] ); // Use the array as a set so we don't get duplicates. $result[ $slug ] = $slug; } } return $result; } /** * Transforms a slug into a CSS Custom Property. * * @since 5.9.0 * * @param string $input String to replace. * @param string $slug The slug value to use to generate the custom property. * @return string The CSS Custom Property. Something along the lines of `--wp--preset--color--black`. */ protected static function replace_slug_in_string( $input, $slug ) { return strtr( $input, array( '$slug' => $slug ) ); } /** * Given the block settings, extracts the CSS Custom Properties * for the presets and adds them to the $declarations array * following the format: * * array( * 'name' => 'property_name', * 'value' => 'property_value, * ) * * @since 5.8.0 * @since 5.9.0 Added the `$origins` parameter. * * @param array $settings Settings to process. * @param string[] $origins List of origins to process. * @return array The modified $declarations. */ protected static function compute_preset_vars( $settings, $origins ) { $declarations = array(); foreach ( static::PRESETS_METADATA as $preset_metadata ) { $values_by_slug = static::get_settings_values_by_slug( $settings, $preset_metadata, $origins ); foreach ( $values_by_slug as $slug => $value ) { $declarations[] = array( 'name' => static::replace_slug_in_string( $preset_metadata['css_vars'], $slug ), 'value' => $value, ); } } return $declarations; } /** * Given an array of settings, extracts the CSS Custom Properties * for the custom values and adds them to the $declarations * array following the format: * * array( * 'name' => 'property_name', * 'value' => 'property_value, * ) * * @since 5.8.0 * * @param array $settings Settings to process. * @return array The modified $declarations. */ protected static function compute_theme_vars( $settings ) { $declarations = array(); $custom_values = _wp_array_get( $settings, array( 'custom' ), array() ); $css_vars = static::flatten_tree( $custom_values ); foreach ( $css_vars as $key => $value ) { $declarations[] = array( 'name' => '--wp--custom--' . $key, 'value' => $value, ); } return $declarations; } /** * Given a tree, it creates a flattened one * by merging the keys and binding the leaf values * to the new keys. * * It also transforms camelCase names into kebab-case * and substitutes '/' by '-'. * * This is thought to be useful to generate * CSS Custom Properties from a tree, * although there's nothing in the implementation * of this function that requires that format. * * For example, assuming the given prefix is '--wp' * and the token is '--', for this input tree: * * { * 'some/property': 'value', * 'nestedProperty': { * 'sub-property': 'value' * } * } * * it'll return this output: * * { * '--wp--some-property': 'value', * '--wp--nested-property--sub-property': 'value' * } * * @since 5.8.0 * * @param array $tree Input tree to process. * @param string $prefix Optional. Prefix to prepend to each variable. Default empty string. * @param string $token Optional. Token to use between levels. Default '--'. * @return array The flattened tree. */ protected static function flatten_tree( $tree, $prefix = '', $token = '--' ) { $result = array(); foreach ( $tree as $property => $value ) { $new_key = $prefix . str_replace( '/', '-', strtolower( _wp_to_kebab_case( $property ) ) ); if ( is_array( $value ) ) { $new_prefix = $new_key . $token; $flattened_subtree = static::flatten_tree( $value, $new_prefix, $token ); foreach ( $flattened_subtree as $subtree_key => $subtree_value ) { $result[ $subtree_key ] = $subtree_value; } } else { $result[ $new_key ] = $value; } } return $result; } /** * Given a styles array, it extracts the style properties * and adds them to the $declarations array following the format: * * array( * 'name' => 'property_name', * 'value' => 'property_value, * ) * * @since 5.8.0 * @since 5.9.0 Added the `$settings` and `$properties` parameters. * @since 6.1.0 Added `$theme_json`, `$selector`, and `$use_root_padding` parameters. * * @param array $styles Styles to process. * @param array $settings Theme settings. * @param array $properties Properties metadata. * @param array $theme_json Theme JSON array. * @param string $selector The style block selector. * @param boolean $use_root_padding Whether to add custom properties at root level. * @return array Returns the modified $declarations. */ protected static function compute_style_properties( $styles, $settings = array(), $properties = null, $theme_json = null, $selector = null, $use_root_padding = null ) { if ( null === $properties ) { $properties = static::PROPERTIES_METADATA; } $declarations = array(); if ( empty( $styles ) ) { return $declarations; } $root_variable_duplicates = array(); foreach ( $properties as $css_property => $value_path ) { $value = static::get_property_value( $styles, $value_path, $theme_json ); if ( str_starts_with( $css_property, '--wp--style--root--' ) && ( static::ROOT_BLOCK_SELECTOR !== $selector || ! $use_root_padding ) ) { continue; } /* * Root-level padding styles don't currently support strings with CSS shorthand values. * This may change: https://github.com/WordPress/gutenberg/issues/40132. */ if ( '--wp--style--root--padding' === $css_property && is_string( $value ) ) { continue; } if ( str_starts_with( $css_property, '--wp--style--root--' ) && $use_root_padding ) { $root_variable_duplicates[] = substr( $css_property, strlen( '--wp--style--root--' ) ); } /* * Look up protected properties, keyed by value path. * Skip protected properties that are explicitly set to `null`. */ if ( is_array( $value_path ) ) { $path_string = implode( '.', $value_path ); if ( /* * TODO: Replace array_key_exists() with isset() check once WordPress drops * support for PHP 5.6. See https://core.trac.wordpress.org/ticket/57067. */ array_key_exists( $path_string, static::PROTECTED_PROPERTIES ) && _wp_array_get( $settings, static::PROTECTED_PROPERTIES[ $path_string ], null ) === null ) { continue; } } // Skip if empty and not "0" or value represents array of longhand values. $has_missing_value = empty( $value ) && ! is_numeric( $value ); if ( $has_missing_value || is_array( $value ) ) { continue; } // Calculates fluid typography rules where available. if ( 'font-size' === $css_property ) { /* * wp_get_typography_font_size_value() will check * if fluid typography has been activated and also * whether the incoming value can be converted to a fluid value. * Values that already have a clamp() function will not pass the test, * and therefore the original $value will be returned. */ $value = wp_get_typography_font_size_value( array( 'size' => $value ) ); } $declarations[] = array( 'name' => $css_property, 'value' => $value, ); } // If a variable value is added to the root, the corresponding property should be removed. foreach ( $root_variable_duplicates as $duplicate ) { $discard = array_search( $duplicate, array_column( $declarations, 'name' ), true ); if ( is_numeric( $discard ) ) { array_splice( $declarations, $discard, 1 ); } } return $declarations; } /** * Returns the style property for the given path. * * It also converts references to a path to the value * stored at that location, e.g. * { "ref": "style.color.background" } => "#fff". * * @since 5.8.0 * @since 5.9.0 Added support for values of array type, which are returned as is. * @since 6.1.0 Added the `$theme_json` parameter. * @since 6.3.0 It no longer converts the internal format "var:preset|color|secondary" * to the standard form "--wp--preset--color--secondary". * This is already done by the sanitize method, * so every property will be in the standard form. * * @param array $styles Styles subtree. * @param array $path Which property to process. * @param array $theme_json Theme JSON array. * @return string|array Style property value. */ protected static function get_property_value( $styles, $path, $theme_json = null ) { $value = _wp_array_get( $styles, $path, '' ); if ( '' === $value || null === $value ) { // No need to process the value further. return ''; } /* * This converts references to a path to the value at that path * where the values is an array with a "ref" key, pointing to a path. * For example: { "ref": "style.color.background" } => "#fff". */ if ( is_array( $value ) && isset( $value['ref'] ) ) { $value_path = explode( '.', $value['ref'] ); $ref_value = _wp_array_get( $theme_json, $value_path ); // Only use the ref value if we find anything. if ( ! empty( $ref_value ) && is_string( $ref_value ) ) { $value = $ref_value; } if ( is_array( $ref_value ) && isset( $ref_value['ref'] ) ) { $path_string = json_encode( $path ); $ref_value_string = json_encode( $ref_value ); _doing_it_wrong( 'get_property_value', sprintf( /* translators: 1: theme.json, 2: Value name, 3: Value path, 4: Another value name. */ __( 'Your %1$s file uses a dynamic value (%2$s) for the path at %3$s. However, the value at %3$s is also a dynamic value (pointing to %4$s) and pointing to another dynamic value is not supported. Please update %3$s to point directly to %4$s.' ), 'theme.json', $ref_value_string, $path_string, $ref_value['ref'] ), '6.1.0' ); } } if ( is_array( $value ) ) { return $value; } return $value; } /** * Builds metadata for the setting nodes, which returns in the form of: * * [ * [ * 'path' => ['path', 'to', 'some', 'node' ], * 'selector' => 'CSS selector for some node' * ], * [ * 'path' => [ 'path', 'to', 'other', 'node' ], * 'selector' => 'CSS selector for other node' * ], * ] * * @since 5.8.0 * * @param array $theme_json The tree to extract setting nodes from. * @param array $selectors List of selectors per block. * @return array An array of setting nodes metadata. */ protected static function get_setting_nodes( $theme_json, $selectors = array() ) { $nodes = array(); if ( ! isset( $theme_json['settings'] ) ) { return $nodes; } // Top-level. $nodes[] = array( 'path' => array( 'settings' ), 'selector' => static::ROOT_BLOCK_SELECTOR, ); // Calculate paths for blocks. if ( ! isset( $theme_json['settings']['blocks'] ) ) { return $nodes; } foreach ( $theme_json['settings']['blocks'] as $name => $node ) { $selector = null; if ( isset( $selectors[ $name ]['selector'] ) ) { $selector = $selectors[ $name ]['selector']; } $nodes[] = array( 'path' => array( 'settings', 'blocks', $name ), 'selector' => $selector, ); } return $nodes; } /** * Builds metadata for the style nodes, which returns in the form of: * * [ * [ * 'path' => [ 'path', 'to', 'some', 'node' ], * 'selector' => 'CSS selector for some node', * 'duotone' => 'CSS selector for duotone for some node' * ], * [ * 'path' => ['path', 'to', 'other', 'node' ], * 'selector' => 'CSS selector for other node', * 'duotone' => null * ], * ] * * @since 5.8.0 * * @param array $theme_json The tree to extract style nodes from. * @param array $selectors List of selectors per block. * @return array An array of style nodes metadata. */ protected static function get_style_nodes( $theme_json, $selectors = array() ) { $nodes = array(); if ( ! isset( $theme_json['styles'] ) ) { return $nodes; } // Top-level. $nodes[] = array( 'path' => array( 'styles' ), 'selector' => static::ROOT_BLOCK_SELECTOR, ); if ( isset( $theme_json['styles']['elements'] ) ) { foreach ( self::ELEMENTS as $element => $selector ) { if ( ! isset( $theme_json['styles']['elements'][ $element ] ) ) { continue; } $nodes[] = array( 'path' => array( 'styles', 'elements', $element ), 'selector' => static::ELEMENTS[ $element ], ); /* * Handle any pseudo selectors for the element. * TODO: Replace array_key_exists() with isset() check once WordPress drops * support for PHP 5.6. See https://core.trac.wordpress.org/ticket/57067. */ if ( array_key_exists( $element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) ) { foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] as $pseudo_selector ) { if ( isset( $theme_json['styles']['elements'][ $element ][ $pseudo_selector ] ) ) { $nodes[] = array( 'path' => array( 'styles', 'elements', $element ), 'selector' => static::append_to_selector( static::ELEMENTS[ $element ], $pseudo_selector ), ); } } } } } // Blocks. if ( ! isset( $theme_json['styles']['blocks'] ) ) { return $nodes; } $block_nodes = static::get_block_nodes( $theme_json ); foreach ( $block_nodes as $block_node ) { $nodes[] = $block_node; } /** * Filters the list of style nodes with metadata. * * This allows for things like loading block CSS independently. * * @since 6.1.0 * * @param array $nodes Style nodes with metadata. */ return apply_filters( 'wp_theme_json_get_style_nodes', $nodes ); } /** * A public helper to get the block nodes from a theme.json file. * * @since 6.1.0 * * @return array The block nodes in theme.json. */ public function get_styles_block_nodes() { return static::get_block_nodes( $this->theme_json ); } /** * Returns a filtered declarations array if there is a separator block with only a background * style defined in theme.json by adding a color attribute to reflect the changes in the front. * * @since 6.1.1 * * @param array $declarations List of declarations. * @return array $declarations List of declarations filtered. */ private static function update_separator_declarations( $declarations ) { $background_color = ''; $border_color_matches = false; $text_color_matches = false; foreach ( $declarations as $declaration ) { if ( 'background-color' === $declaration['name'] && ! $background_color && isset( $declaration['value'] ) ) { $background_color = $declaration['value']; } elseif ( 'border-color' === $declaration['name'] ) { $border_color_matches = true; } elseif ( 'color' === $declaration['name'] ) { $text_color_matches = true; } if ( $background_color && $border_color_matches && $text_color_matches ) { break; } } if ( $background_color && ! $border_color_matches && ! $text_color_matches ) { $declarations[] = array( 'name' => 'color', 'value' => $background_color, ); } return $declarations; } /** * An internal method to get the block nodes from a theme.json file. * * @since 6.1.0 * @since 6.3.0 Refactored and stabilized selectors API. * * @param array $theme_json The theme.json converted to an array. * @return array The block nodes in theme.json. */ private static function get_block_nodes( $theme_json ) { $selectors = static::get_blocks_metadata(); $nodes = array(); if ( ! isset( $theme_json['styles'] ) ) { return $nodes; } // Blocks. if ( ! isset( $theme_json['styles']['blocks'] ) ) { return $nodes; } foreach ( $theme_json['styles']['blocks'] as $name => $node ) { $selector = null; if ( isset( $selectors[ $name ]['selector'] ) ) { $selector = $selectors[ $name ]['selector']; } $duotone_selector = null; if ( isset( $selectors[ $name ]['duotone'] ) ) { $duotone_selector = $selectors[ $name ]['duotone']; } $feature_selectors = null; if ( isset( $selectors[ $name ]['selectors'] ) ) { $feature_selectors = $selectors[ $name ]['selectors']; } $variation_selectors = array(); if ( isset( $node['variations'] ) ) { foreach ( $node['variations'] as $variation => $node ) { $variation_selectors[] = array( 'path' => array( 'styles', 'blocks', $name, 'variations', $variation ), 'selector' => $selectors[ $name ]['styleVariations'][ $variation ], ); } } $nodes[] = array( 'name' => $name, 'path' => array( 'styles', 'blocks', $name ), 'selector' => $selector, 'selectors' => $feature_selectors, 'duotone' => $duotone_selector, 'features' => $feature_selectors, 'variations' => $variation_selectors, ); if ( isset( $theme_json['styles']['blocks'][ $name ]['elements'] ) ) { foreach ( $theme_json['styles']['blocks'][ $name ]['elements'] as $element => $node ) { $nodes[] = array( 'path' => array( 'styles', 'blocks', $name, 'elements', $element ), 'selector' => $selectors[ $name ]['elements'][ $element ], ); /* * Handle any pseudo selectors for the element. * TODO: Replace array_key_exists() with isset() check once WordPress drops * support for PHP 5.6. See https://core.trac.wordpress.org/ticket/57067. */ if ( array_key_exists( $element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) ) { foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] as $pseudo_selector ) { if ( isset( $theme_json['styles']['blocks'][ $name ]['elements'][ $element ][ $pseudo_selector ] ) ) { $nodes[] = array( 'path' => array( 'styles', 'blocks', $name, 'elements', $element ), 'selector' => static::append_to_selector( $selectors[ $name ]['elements'][ $element ], $pseudo_selector ), ); } } } } } } return $nodes; } /** * Gets the CSS rules for a particular block from theme.json. * * @since 6.1.0 * * @param array $block_metadata Metadata about the block to get styles for. * * @return string Styles for the block. */ public function get_styles_for_block( $block_metadata ) { $node = _wp_array_get( $this->theme_json, $block_metadata['path'], array() ); $use_root_padding = isset( $this->theme_json['settings']['useRootPaddingAwareAlignments'] ) && true === $this->theme_json['settings']['useRootPaddingAwareAlignments']; $selector = $block_metadata['selector']; $settings = _wp_array_get( $this->theme_json, array( 'settings' ) ); $feature_declarations = static::get_feature_declarations_for_node( $block_metadata, $node ); // If there are style variations, generate the declarations for them, including any feature selectors the block may have. $style_variation_declarations = array(); if ( ! empty( $block_metadata['variations'] ) ) { foreach ( $block_metadata['variations'] as $style_variation ) { $style_variation_node = _wp_array_get( $this->theme_json, $style_variation['path'], array() ); $clean_style_variation_selector = trim( $style_variation['selector'] ); // Generate any feature/subfeature style declarations for the current style variation. $variation_declarations = static::get_feature_declarations_for_node( $block_metadata, $style_variation_node ); // Combine selectors with style variation's selector and add to overall style variation declarations. foreach ( $variation_declarations as $current_selector => $new_declarations ) { // If current selector includes block classname, remove it but leave the whitespace in. $shortened_selector = str_replace( $block_metadata['selector'] . ' ', ' ', $current_selector ); // Prepend the variation selector to the current selector. $split_selectors = explode( ',', $shortened_selector ); $updated_selectors = array_map( static function( $split_selector ) use ( $clean_style_variation_selector ) { return $clean_style_variation_selector . $split_selector; }, $split_selectors ); $combined_selectors = implode( ',', $updated_selectors ); // Add the new declarations to the overall results under the modified selector. $style_variation_declarations[ $combined_selectors ] = $new_declarations; } // Compute declarations for remaining styles not covered by feature level selectors. $style_variation_declarations[ $style_variation['selector'] ] = static::compute_style_properties( $style_variation_node, $settings, null, $this->theme_json ); } } /* * Get a reference to element name from path. * $block_metadata['path'] = array( 'styles','elements','link' ); * Make sure that $block_metadata['path'] describes an element node, like [ 'styles', 'element', 'link' ]. * Skip non-element paths like just ['styles']. */ $is_processing_element = in_array( 'elements', $block_metadata['path'], true ); $current_element = $is_processing_element ? $block_metadata['path'][ count( $block_metadata['path'] ) - 1 ] : null; $element_pseudo_allowed = array(); /* * TODO: Replace array_key_exists() with isset() check once WordPress drops * support for PHP 5.6. See https://core.trac.wordpress.org/ticket/57067. */ if ( array_key_exists( $current_element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) ) { $element_pseudo_allowed = static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ]; } /* * Check for allowed pseudo classes (e.g. ":hover") from the $selector ("a:hover"). * This also resets the array keys. */ $pseudo_matches = array_values( array_filter( $element_pseudo_allowed, static function( $pseudo_selector ) use ( $selector ) { return str_contains( $selector, $pseudo_selector ); } ) ); $pseudo_selector = isset( $pseudo_matches[0] ) ? $pseudo_matches[0] : null; /* * If the current selector is a pseudo selector that's defined in the allow list for the current * element then compute the style properties for it. * Otherwise just compute the styles for the default selector as normal. */ if ( $pseudo_selector && isset( $node[ $pseudo_selector ] ) && /* * TODO: Replace array_key_exists() with isset() check once WordPress drops * support for PHP 5.6. See https://core.trac.wordpress.org/ticket/57067. */ array_key_exists( $current_element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) && in_array( $pseudo_selector, static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ], true ) ) { $declarations = static::compute_style_properties( $node[ $pseudo_selector ], $settings, null, $this->theme_json, $selector, $use_root_padding ); } else { $declarations = static::compute_style_properties( $node, $settings, null, $this->theme_json, $selector, $use_root_padding ); } $block_rules = ''; /* * 1. Separate the declarations that use the general selector * from the ones using the duotone selector. */ $declarations_duotone = array(); foreach ( $declarations as $index => $declaration ) { if ( 'filter' === $declaration['name'] ) { unset( $declarations[ $index ] ); $declarations_duotone[] = $declaration; } } // Update declarations if there are separators with only background color defined. if ( '.wp-block-separator' === $selector ) { $declarations = static::update_separator_declarations( $declarations ); } // 2. Generate and append the rules that use the general selector. $block_rules .= static::to_ruleset( $selector, $declarations ); // 3. Generate and append the rules that use the duotone selector. if ( isset( $block_metadata['duotone'] ) && ! empty( $declarations_duotone ) ) { $block_rules .= static::to_ruleset( $block_metadata['duotone'], $declarations_duotone ); } // 4. Generate Layout block gap styles. if ( static::ROOT_BLOCK_SELECTOR !== $selector && ! empty( $block_metadata['name'] ) ) { $block_rules .= $this->get_layout_styles( $block_metadata ); } // 5. Generate and append the feature level rulesets. foreach ( $feature_declarations as $feature_selector => $individual_feature_declarations ) { $block_rules .= static::to_ruleset( $feature_selector, $individual_feature_declarations ); } // 6. Generate and append the style variation rulesets. foreach ( $style_variation_declarations as $style_variation_selector => $individual_style_variation_declarations ) { $block_rules .= static::to_ruleset( $style_variation_selector, $individual_style_variation_declarations ); } return $block_rules; } /** * Outputs the CSS for layout rules on the root. * * @since 6.1.0 * * @param string $selector The root node selector. * @param array $block_metadata The metadata for the root block. * @return string The additional root rules CSS. */ public function get_root_layout_rules( $selector, $block_metadata ) { $css = ''; $settings = _wp_array_get( $this->theme_json, array( 'settings' ) ); $use_root_padding = isset( $this->theme_json['settings']['useRootPaddingAwareAlignments'] ) && true === $this->theme_json['settings']['useRootPaddingAwareAlignments']; /* * Reset default browser margin on the root body element. * This is set on the root selector **before** generating the ruleset * from the `theme.json`. This is to ensure that if the `theme.json` declares * `margin` in its `spacing` declaration for the `body` element then these * user-generated values take precedence in the CSS cascade. * @link https://github.com/WordPress/gutenberg/issues/36147. */ $css .= 'body { margin: 0;'; /* * If there are content and wide widths in theme.json, output them * as custom properties on the body element so all blocks can use them. */ if ( isset( $settings['layout']['contentSize'] ) || isset( $settings['layout']['wideSize'] ) ) { $content_size = isset( $settings['layout']['contentSize'] ) ? $settings['layout']['contentSize'] : $settings['layout']['wideSize']; $content_size = static::is_safe_css_declaration( 'max-width', $content_size ) ? $content_size : 'initial'; $wide_size = isset( $settings['layout']['wideSize'] ) ? $settings['layout']['wideSize'] : $settings['layout']['contentSize']; $wide_size = static::is_safe_css_declaration( 'max-width', $wide_size ) ? $wide_size : 'initial'; $css .= '--wp--style--global--content-size: ' . $content_size . ';'; $css .= '--wp--style--global--wide-size: ' . $wide_size . ';'; } $css .= ' }'; if ( $use_root_padding ) { // Top and bottom padding are applied to the outer block container. $css .= '.wp-site-blocks { padding-top: var(--wp--style--root--padding-top); padding-bottom: var(--wp--style--root--padding-bottom); }'; // Right and left padding are applied to the first container with `.has-global-padding` class. $css .= '.has-global-padding { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }'; // Nested containers with `.has-global-padding` class do not get padding. $css .= '.has-global-padding :where(.has-global-padding) { padding-right: 0; padding-left: 0; }'; // Alignfull children of the container with left and right padding have negative margins so they can still be full width. $css .= '.has-global-padding > .alignfull { margin-right: calc(var(--wp--style--root--padding-right) * -1); margin-left: calc(var(--wp--style--root--padding-left) * -1); }'; // The above rule is negated for alignfull children of nested containers. $css .= '.has-global-padding :where(.has-global-padding) > .alignfull { margin-right: 0; margin-left: 0; }'; // Some of the children of alignfull blocks without content width should also get padding: text blocks and non-alignfull container blocks. $css .= '.has-global-padding > .alignfull:where(:not(.has-global-padding)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }'; // The above rule also has to be negated for blocks inside nested `.has-global-padding` blocks. $css .= '.has-global-padding :where(.has-global-padding) > .alignfull:where(:not(.has-global-padding)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: 0; padding-left: 0; }'; } $css .= '.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }'; $css .= '.wp-site-blocks > .alignright { float: right; margin-left: 2em; }'; $css .= '.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }'; $block_gap_value = _wp_array_get( $this->theme_json, array( 'styles', 'spacing', 'blockGap' ), '0.5em' ); $has_block_gap_support = _wp_array_get( $this->theme_json, array( 'settings', 'spacing', 'blockGap' ) ) !== null; if ( $has_block_gap_support ) { $block_gap_value = static::get_property_value( $this->theme_json, array( 'styles', 'spacing', 'blockGap' ) ); $css .= ":where(.wp-site-blocks) > * { margin-block-start: $block_gap_value; margin-block-end: 0; }"; $css .= ':where(.wp-site-blocks) > :first-child:first-child { margin-block-start: 0; }'; $css .= ':where(.wp-site-blocks) > :last-child:last-child { margin-block-end: 0; }'; // For backwards compatibility, ensure the legacy block gap CSS variable is still available. $css .= "$selector { --wp--style--block-gap: $block_gap_value; }"; } $css .= $this->get_layout_styles( $block_metadata ); return $css; } /** * For metadata values that can either be booleans or paths to booleans, gets the value. * * $data = array( * 'color' => array( * 'defaultPalette' => true * ) * ); * * static::get_metadata_boolean( $data, false ); * // => false * * static::get_metadata_boolean( $data, array( 'color', 'defaultPalette' ) ); * // => true * * @since 6.0.0 * * @param array $data The data to inspect. * @param bool|array $path Boolean or path to a boolean. * @param bool $default_value Default value if the referenced path is missing. * Default false. * @return bool Value of boolean metadata. */ protected static function get_metadata_boolean( $data, $path, $default_value = false ) { if ( is_bool( $path ) ) { return $path; } if ( is_array( $path ) ) { $value = _wp_array_get( $data, $path ); if ( null !== $value ) { return $value; } } return $default_value; } /** * Merges new incoming data. * * @since 5.8.0 * @since 5.9.0 Duotone preset also has origins. * * @param WP_Theme_JSON $incoming Data to merge. */ public function merge( $incoming ) { $incoming_data = $incoming->get_raw_data(); $this->theme_json = array_replace_recursive( $this->theme_json, $incoming_data ); /* * The array_replace_recursive algorithm merges at the leaf level, * but we don't want leaf arrays to be merged, so we overwrite it. * * For leaf values that are sequential arrays it will use the numeric indexes for replacement. * We rather replace the existing with the incoming value, if it exists. * This is the case of spacing.units. * * For leaf values that are associative arrays it will merge them as expected. * This is also not the behavior we want for the current associative arrays (presets). * We rather replace the existing with the incoming value, if it exists. * This happens, for example, when we merge data from theme.json upon existing * theme supports or when we merge anything coming from the same source twice. * This is the case of color.palette, color.gradients, color.duotone, * typography.fontSizes, or typography.fontFamilies. * * Additionally, for some preset types, we also want to make sure the * values they introduce don't conflict with default values. We do so * by checking the incoming slugs for theme presets and compare them * with the equivalent default presets: if a slug is present as a default * we remove it from the theme presets. */ $nodes = static::get_setting_nodes( $incoming_data ); $slugs_global = static::get_default_slugs( $this->theme_json, array( 'settings' ) ); foreach ( $nodes as $node ) { // Replace the spacing.units. $path = $node['path']; $path[] = 'spacing'; $path[] = 'units'; $content = _wp_array_get( $incoming_data, $path, null ); if ( isset( $content ) ) { _wp_array_set( $this->theme_json, $path, $content ); } // Replace the presets. foreach ( static::PRESETS_METADATA as $preset ) { $override_preset = ! static::get_metadata_boolean( $this->theme_json['settings'], $preset['prevent_override'], true ); foreach ( static::VALID_ORIGINS as $origin ) { $base_path = $node['path']; foreach ( $preset['path'] as $leaf ) { $base_path[] = $leaf; } $path = $base_path; $path[] = $origin; $content = _wp_array_get( $incoming_data, $path, null ); if ( ! isset( $content ) ) { continue; } if ( 'theme' === $origin && $preset['use_default_names'] ) { foreach ( $content as $key => $item ) { if ( ! isset( $item['name'] ) ) { $name = static::get_name_from_defaults( $item['slug'], $base_path ); if ( null !== $name ) { $content[ $key ]['name'] = $name; } } } } if ( ( 'theme' !== $origin ) || ( 'theme' === $origin && $override_preset ) ) { _wp_array_set( $this->theme_json, $path, $content ); } else { $slugs_node = static::get_default_slugs( $this->theme_json, $node['path'] ); $slugs = array_merge_recursive( $slugs_global, $slugs_node ); $slugs_for_preset = _wp_array_get( $slugs, $preset['path'], array() ); $content = static::filter_slugs( $content, $slugs_for_preset ); _wp_array_set( $this->theme_json, $path, $content ); } } } } } /** * Converts all filter (duotone) presets into SVGs. * * @since 5.9.1 * * @param array $origins List of origins to process. * @return string SVG filters. */ public function get_svg_filters( $origins ) { $blocks_metadata = static::get_blocks_metadata(); $setting_nodes = static::get_setting_nodes( $this->theme_json, $blocks_metadata ); $filters = ''; foreach ( $setting_nodes as $metadata ) { $node = _wp_array_get( $this->theme_json, $metadata['path'], array() ); if ( empty( $node['color']['duotone'] ) ) { continue; } $duotone_presets = $node['color']['duotone']; foreach ( $origins as $origin ) { if ( ! isset( $duotone_presets[ $origin ] ) ) { continue; } foreach ( $duotone_presets[ $origin ] as $duotone_preset ) { $filters .= wp_get_duotone_filter_svg( $duotone_preset ); } } } return $filters; } /** * Determines whether a presets should be overridden or not. * * @since 5.9.0 * @deprecated 6.0.0 Use {@see 'get_metadata_boolean'} instead. * * @param array $theme_json The theme.json like structure to inspect. * @param array $path Path to inspect. * @param bool|array $override Data to compute whether to override the preset. * @return boolean */ protected static function should_override_preset( $theme_json, $path, $override ) { _deprecated_function( __METHOD__, '6.0.0', 'get_metadata_boolean' ); if ( is_bool( $override ) ) { return $override; } /* * The relationship between whether to override the defaults * and whether the defaults are enabled is inverse: * * - If defaults are enabled => theme presets should not be overridden * - If defaults are disabled => theme presets should be overridden * * For example, a theme sets defaultPalette to false, * making the default palette hidden from the user. * In that case, we want all the theme presets to be present, * so they should override the defaults. */ if ( is_array( $override ) ) { $value = _wp_array_get( $theme_json, array_merge( $path, $override ) ); if ( isset( $value ) ) { return ! $value; } // Search the top-level key if none was found for this node. $value = _wp_array_get( $theme_json, array_merge( array( 'settings' ), $override ) ); if ( isset( $value ) ) { return ! $value; } return true; } } /** * Returns the default slugs for all the presets in an associative array * whose keys are the preset paths and the leafs is the list of slugs. * * For example: * * array( * 'color' => array( * 'palette' => array( 'slug-1', 'slug-2' ), * 'gradients' => array( 'slug-3', 'slug-4' ), * ), * ) * * @since 5.9.0 * * @param array $data A theme.json like structure. * @param array $node_path The path to inspect. It's 'settings' by default. * @return array */ protected static function get_default_slugs( $data, $node_path ) { $slugs = array(); foreach ( static::PRESETS_METADATA as $metadata ) { $path = $node_path; foreach ( $metadata['path'] as $leaf ) { $path[] = $leaf; } $path[] = 'default'; $preset = _wp_array_get( $data, $path, null ); if ( ! isset( $preset ) ) { continue; } $slugs_for_preset = array(); foreach ( $preset as $item ) { if ( isset( $item['slug'] ) ) { $slugs_for_preset[] = $item['slug']; } } _wp_array_set( $slugs, $metadata['path'], $slugs_for_preset ); } return $slugs; } /** * Gets a `default`'s preset name by a provided slug. * * @since 5.9.0 * * @param string $slug The slug we want to find a match from default presets. * @param array $base_path The path to inspect. It's 'settings' by default. * @return string|null */ protected function get_name_from_defaults( $slug, $base_path ) { $path = $base_path; $path[] = 'default'; $default_content = _wp_array_get( $this->theme_json, $path, null ); if ( ! $default_content ) { return null; } foreach ( $default_content as $item ) { if ( $slug === $item['slug'] ) { return $item['name']; } } return null; } /** * Removes the preset values whose slug is equal to any of given slugs. * * @since 5.9.0 * * @param array $node The node with the presets to validate. * @param array $slugs The slugs that should not be overridden. * @return array The new node. */ protected static function filter_slugs( $node, $slugs ) { if ( empty( $slugs ) ) { return $node; } $new_node = array(); foreach ( $node as $value ) { if ( isset( $value['slug'] ) && ! in_array( $value['slug'], $slugs, true ) ) { $new_node[] = $value; } } return $new_node; } /** * Removes insecure data from theme.json. * * @since 5.9.0 * @since 6.3.2 Preserves global styles block variations when securing styles. * * @param array $theme_json Structure to sanitize. * @return array Sanitized structure. */ public static function remove_insecure_properties( $theme_json ) { $sanitized = array(); $theme_json = WP_Theme_JSON_Schema::migrate( $theme_json ); $valid_block_names = array_keys( static::get_blocks_metadata() ); $valid_element_names = array_keys( static::ELEMENTS ); $valid_variations = array(); foreach ( self::get_blocks_metadata() as $block_name => $block_meta ) { if ( ! isset( $block_meta['styleVariations'] ) ) { continue; } $valid_variations[ $block_name ] = array_keys( $block_meta['styleVariations'] ); } $theme_json = static::sanitize( $theme_json, $valid_block_names, $valid_element_names, $valid_variations ); $blocks_metadata = static::get_blocks_metadata(); $style_nodes = static::get_style_nodes( $theme_json, $blocks_metadata ); foreach ( $style_nodes as $metadata ) { $input = _wp_array_get( $theme_json, $metadata['path'], array() ); if ( empty( $input ) ) { continue; } // The global styles custom CSS is not sanitized, but can only be edited by users with 'edit_css' capability. if ( isset( $input['css'] ) && current_user_can( 'edit_css' ) ) { $output = $input; } else { $output = static::remove_insecure_styles( $input ); } /* * Get a reference to element name from path. * $metadata['path'] = array( 'styles', 'elements', 'link' ); */ $current_element = $metadata['path'][ count( $metadata['path'] ) - 1 ]; /* * $output is stripped of pseudo selectors. Re-add and process them * or insecure styles here. * * TODO: Replace array_key_exists() with isset() check once WordPress drops * support for PHP 5.6. See https://core.trac.wordpress.org/ticket/57067. */ if ( array_key_exists( $current_element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) ) { foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ] as $pseudo_selector ) { if ( isset( $input[ $pseudo_selector ] ) ) { $output[ $pseudo_selector ] = static::remove_insecure_styles( $input[ $pseudo_selector ] ); } } } if ( ! empty( $output ) ) { _wp_array_set( $sanitized, $metadata['path'], $output ); } if ( isset( $metadata['variations'] ) ) { foreach ( $metadata['variations'] as $variation ) { $variation_input = _wp_array_get( $theme_json, $variation['path'], array() ); if ( empty( $variation_input ) ) { continue; } $variation_output = static::remove_insecure_styles( $variation_input ); if ( ! empty( $variation_output ) ) { _wp_array_set( $sanitized, $variation['path'], $variation_output ); } } } } $setting_nodes = static::get_setting_nodes( $theme_json ); foreach ( $setting_nodes as $metadata ) { $input = _wp_array_get( $theme_json, $metadata['path'], array() ); if ( empty( $input ) ) { continue; } $output = static::remove_insecure_settings( $input ); if ( ! empty( $output ) ) { _wp_array_set( $sanitized, $metadata['path'], $output ); } } if ( empty( $sanitized['styles'] ) ) { unset( $theme_json['styles'] ); } else { $theme_json['styles'] = $sanitized['styles']; } if ( empty( $sanitized['settings'] ) ) { unset( $theme_json['settings'] ); } else { $theme_json['settings'] = $sanitized['settings']; } return $theme_json; } /** * Processes a setting node and returns the same node * without the insecure settings. * * @since 5.9.0 * * @param array $input Node to process. * @return array */ protected static function remove_insecure_settings( $input ) { $output = array(); foreach ( static::PRESETS_METADATA as $preset_metadata ) { foreach ( static::VALID_ORIGINS as $origin ) { $path_with_origin = $preset_metadata['path']; $path_with_origin[] = $origin; $presets = _wp_array_get( $input, $path_with_origin, null ); if ( null === $presets ) { continue; } $escaped_preset = array(); foreach ( $presets as $preset ) { if ( esc_attr( esc_html( $preset['name'] ) ) === $preset['name'] && sanitize_html_class( $preset['slug'] ) === $preset['slug'] ) { $value = null; if ( isset( $preset_metadata['value_key'], $preset[ $preset_metadata['value_key'] ] ) ) { $value = $preset[ $preset_metadata['value_key'] ]; } elseif ( isset( $preset_metadata['value_func'] ) && is_callable( $preset_metadata['value_func'] ) ) { $value = call_user_func( $preset_metadata['value_func'], $preset ); } $preset_is_valid = true; foreach ( $preset_metadata['properties'] as $property ) { if ( ! static::is_safe_css_declaration( $property, $value ) ) { $preset_is_valid = false; break; } } if ( $preset_is_valid ) { $escaped_preset[] = $preset; } } } if ( ! empty( $escaped_preset ) ) { _wp_array_set( $output, $path_with_origin, $escaped_preset ); } } } // Ensure indirect properties not included in any `PRESETS_METADATA` value are allowed. static::remove_indirect_properties( $input, $output ); return $output; } /** * Processes a style node and returns the same node * without the insecure styles. * * @since 5.9.0 * * @param array $input Node to process. * @return array */ protected static function remove_insecure_styles( $input ) { $output = array(); $declarations = static::compute_style_properties( $input ); foreach ( $declarations as $declaration ) { if ( static::is_safe_css_declaration( $declaration['name'], $declaration['value'] ) ) { $path = static::PROPERTIES_METADATA[ $declaration['name'] ]; /* * Check the value isn't an array before adding so as to not * double up shorthand and longhand styles. */ $value = _wp_array_get( $input, $path, array() ); if ( ! is_array( $value ) ) { _wp_array_set( $output, $path, $value ); } } } // Ensure indirect properties not handled by `compute_style_properties` are allowed. static::remove_indirect_properties( $input, $output ); return $output; } /** * Checks that a declaration provided by the user is safe. * * @since 5.9.0 * * @param string $property_name Property name in a CSS declaration, i.e. the `color` in `color: red`. * @param string $property_value Value in a CSS declaration, i.e. the `red` in `color: red`. * @return bool */ protected static function is_safe_css_declaration( $property_name, $property_value ) { $style_to_validate = $property_name . ': ' . $property_value; $filtered = esc_html( safecss_filter_attr( $style_to_validate ) ); return ! empty( trim( $filtered ) ); } /** * Removes indirect properties from the given input node and * sets in the given output node. * * @since 6.2.0 * * @param array $input Node to process. * @param array $output The processed node. Passed by reference. */ private static function remove_indirect_properties( $input, &$output ) { foreach ( static::INDIRECT_PROPERTIES_METADATA as $property => $paths ) { foreach ( $paths as $path ) { $value = _wp_array_get( $input, $path ); if ( is_string( $value ) && static::is_safe_css_declaration( $property, $value ) ) { _wp_array_set( $output, $path, $value ); } } } } /** * Returns the raw data. * * @since 5.8.0 * * @return array Raw data. */ public function get_raw_data() { return $this->theme_json; } /** * Transforms the given editor settings according the * add_theme_support format to the theme.json format. * * @since 5.8.0 * * @param array $settings Existing editor settings. * @return array Config that adheres to the theme.json schema. */ public static function get_from_editor_settings( $settings ) { $theme_settings = array( 'version' => static::LATEST_SCHEMA, 'settings' => array(), ); // Deprecated theme supports. if ( isset( $settings['disableCustomColors'] ) ) { if ( ! isset( $theme_settings['settings']['color'] ) ) { $theme_settings['settings']['color'] = array(); } $theme_settings['settings']['color']['custom'] = ! $settings['disableCustomColors']; } if ( isset( $settings['disableCustomGradients'] ) ) { if ( ! isset( $theme_settings['settings']['color'] ) ) { $theme_settings['settings']['color'] = array(); } $theme_settings['settings']['color']['customGradient'] = ! $settings['disableCustomGradients']; } if ( isset( $settings['disableCustomFontSizes'] ) ) { if ( ! isset( $theme_settings['settings']['typography'] ) ) { $theme_settings['settings']['typography'] = array(); } $theme_settings['settings']['typography']['customFontSize'] = ! $settings['disableCustomFontSizes']; } if ( isset( $settings['enableCustomLineHeight'] ) ) { if ( ! isset( $theme_settings['settings']['typography'] ) ) { $theme_settings['settings']['typography'] = array(); } $theme_settings['settings']['typography']['lineHeight'] = $settings['enableCustomLineHeight']; } if ( isset( $settings['enableCustomUnits'] ) ) { if ( ! isset( $theme_settings['settings']['spacing'] ) ) { $theme_settings['settings']['spacing'] = array(); } $theme_settings['settings']['spacing']['units'] = ( true === $settings['enableCustomUnits'] ) ? array( 'px', 'em', 'rem', 'vh', 'vw', '%' ) : $settings['enableCustomUnits']; } if ( isset( $settings['colors'] ) ) { if ( ! isset( $theme_settings['settings']['color'] ) ) { $theme_settings['settings']['color'] = array(); } $theme_settings['settings']['color']['palette'] = $settings['colors']; } if ( isset( $settings['gradients'] ) ) { if ( ! isset( $theme_settings['settings']['color'] ) ) { $theme_settings['settings']['color'] = array(); } $theme_settings['settings']['color']['gradients'] = $settings['gradients']; } if ( isset( $settings['fontSizes'] ) ) { $font_sizes = $settings['fontSizes']; // Back-compatibility for presets without units. foreach ( $font_sizes as $key => $font_size ) { if ( is_numeric( $font_size['size'] ) ) { $font_sizes[ $key ]['size'] = $font_size['size'] . 'px'; } } if ( ! isset( $theme_settings['settings']['typography'] ) ) { $theme_settings['settings']['typography'] = array(); } $theme_settings['settings']['typography']['fontSizes'] = $font_sizes; } if ( isset( $settings['enableCustomSpacing'] ) ) { if ( ! isset( $theme_settings['settings']['spacing'] ) ) { $theme_settings['settings']['spacing'] = array(); } $theme_settings['settings']['spacing']['padding'] = $settings['enableCustomSpacing']; } return $theme_settings; } /** * Returns the current theme's wanted patterns(slugs) to be * registered from Pattern Directory. * * @since 6.0.0 * * @return string[] */ public function get_patterns() { if ( isset( $this->theme_json['patterns'] ) && is_array( $this->theme_json['patterns'] ) ) { return $this->theme_json['patterns']; } return array(); } /** * Returns a valid theme.json as provided by a theme. * * Unlike get_raw_data() this returns the presets flattened, as provided by a theme. * This also uses appearanceTools instead of their opt-ins if all of them are true. * * @since 6.0.0 * * @return array */ public function get_data() { $output = $this->theme_json; $nodes = static::get_setting_nodes( $output ); /** * Flatten the theme & custom origins into a single one. * * For example, the following: * * { * "settings": { * "color": { * "palette": { * "theme": [ {} ], * "custom": [ {} ] * } * } * } * } * * will be converted to: * * { * "settings": { * "color": { * "palette": [ {} ] * } * } * } */ foreach ( $nodes as $node ) { foreach ( static::PRESETS_METADATA as $preset_metadata ) { $path = $node['path']; foreach ( $preset_metadata['path'] as $preset_metadata_path ) { $path[] = $preset_metadata_path; } $preset = _wp_array_get( $output, $path, null ); if ( null === $preset ) { continue; } $items = array(); if ( isset( $preset['theme'] ) ) { foreach ( $preset['theme'] as $item ) { $slug = $item['slug']; unset( $item['slug'] ); $items[ $slug ] = $item; } } if ( isset( $preset['custom'] ) ) { foreach ( $preset['custom'] as $item ) { $slug = $item['slug']; unset( $item['slug'] ); $items[ $slug ] = $item; } } $flattened_preset = array(); foreach ( $items as $slug => $value ) { $flattened_preset[] = array_merge( array( 'slug' => (string) $slug ), $value ); } _wp_array_set( $output, $path, $flattened_preset ); } } /* * If all of the static::APPEARANCE_TOOLS_OPT_INS are true, * this code unsets them and sets 'appearanceTools' instead. */ foreach ( $nodes as $node ) { $all_opt_ins_are_set = true; foreach ( static::APPEARANCE_TOOLS_OPT_INS as $opt_in_path ) { $full_path = $node['path']; foreach ( $opt_in_path as $opt_in_path_item ) { $full_path[] = $opt_in_path_item; } /* * Use "unset prop" as a marker instead of "null" because * "null" can be a valid value for some props (e.g. blockGap). */ $opt_in_value = _wp_array_get( $output, $full_path, 'unset prop' ); if ( 'unset prop' === $opt_in_value ) { $all_opt_ins_are_set = false; break; } } if ( $all_opt_ins_are_set ) { $node_path_with_appearance_tools = $node['path']; $node_path_with_appearance_tools[] = 'appearanceTools'; _wp_array_set( $output, $node_path_with_appearance_tools, true ); foreach ( static::APPEARANCE_TOOLS_OPT_INS as $opt_in_path ) { $full_path = $node['path']; foreach ( $opt_in_path as $opt_in_path_item ) { $full_path[] = $opt_in_path_item; } /* * Use "unset prop" as a marker instead of "null" because * "null" can be a valid value for some props (e.g. blockGap). */ $opt_in_value = _wp_array_get( $output, $full_path, 'unset prop' ); if ( true !== $opt_in_value ) { continue; } /* * The following could be improved to be path independent. * At the moment it relies on a couple of assumptions: * * - all opt-ins having a path of size 2. * - there's two sources of settings: the top-level and the block-level. */ if ( ( 1 === count( $node['path'] ) ) && ( 'settings' === $node['path'][0] ) ) { // Top-level settings. unset( $output['settings'][ $opt_in_path[0] ][ $opt_in_path[1] ] ); if ( empty( $output['settings'][ $opt_in_path[0] ] ) ) { unset( $output['settings'][ $opt_in_path[0] ] ); } } elseif ( ( 3 === count( $node['path'] ) ) && ( 'settings' === $node['path'][0] ) && ( 'blocks' === $node['path'][1] ) ) { // Block-level settings. $block_name = $node['path'][2]; unset( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ][ $opt_in_path[1] ] ); if ( empty( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ] ) ) { unset( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ] ); } } } } } wp_recursive_ksort( $output ); return $output; } /** * Sets the spacingSizes array based on the spacingScale values from theme.json. * * @since 6.1.0 * * @return null|void */ public function set_spacing_sizes() { $spacing_scale = _wp_array_get( $this->theme_json, array( 'settings', 'spacing', 'spacingScale' ), array() ); if ( ! isset( $spacing_scale['steps'] ) || ! is_numeric( $spacing_scale['steps'] ) || ! isset( $spacing_scale['mediumStep'] ) || ! isset( $spacing_scale['unit'] ) || ! isset( $spacing_scale['operator'] ) || ! isset( $spacing_scale['increment'] ) || ! isset( $spacing_scale['steps'] ) || ! is_numeric( $spacing_scale['increment'] ) || ! is_numeric( $spacing_scale['mediumStep'] ) || ( '+' !== $spacing_scale['operator'] && '*' !== $spacing_scale['operator'] ) ) { if ( ! empty( $spacing_scale ) ) { trigger_error( __( 'Some of the theme.json settings.spacing.spacingScale values are invalid' ), E_USER_NOTICE ); } return null; } // If theme authors want to prevent the generation of the core spacing scale they can set their theme.json spacingScale.steps to 0. if ( 0 === $spacing_scale['steps'] ) { return null; } $unit = '%' === $spacing_scale['unit'] ? '%' : sanitize_title( $spacing_scale['unit'] ); $current_step = $spacing_scale['mediumStep']; $steps_mid_point = round( $spacing_scale['steps'] / 2, 0 ); $x_small_count = null; $below_sizes = array(); $slug = 40; $remainder = 0; for ( $below_midpoint_count = $steps_mid_point - 1; $spacing_scale['steps'] > 1 && $slug > 0 && $below_midpoint_count > 0; $below_midpoint_count-- ) { if ( '+' === $spacing_scale['operator'] ) { $current_step -= $spacing_scale['increment']; } elseif ( $spacing_scale['increment'] > 1 ) { $current_step /= $spacing_scale['increment']; } else { $current_step *= $spacing_scale['increment']; } if ( $current_step <= 0 ) { $remainder = $below_midpoint_count; break; } $below_sizes[] = array( /* translators: %s: Digit to indicate multiple of sizing, eg. 2X-Small. */ 'name' => $below_midpoint_count === $steps_mid_point - 1 ? __( 'Small' ) : sprintf( __( '%sX-Small' ), (string) $x_small_count ), 'slug' => (string) $slug, 'size' => round( $current_step, 2 ) . $unit, ); if ( $below_midpoint_count === $steps_mid_point - 2 ) { $x_small_count = 2; } if ( $below_midpoint_count < $steps_mid_point - 2 ) { $x_small_count++; } $slug -= 10; } $below_sizes = array_reverse( $below_sizes ); $below_sizes[] = array( 'name' => __( 'Medium' ), 'slug' => '50', 'size' => $spacing_scale['mediumStep'] . $unit, ); $current_step = $spacing_scale['mediumStep']; $x_large_count = null; $above_sizes = array(); $slug = 60; $steps_above = ( $spacing_scale['steps'] - $steps_mid_point ) + $remainder; for ( $above_midpoint_count = 0; $above_midpoint_count < $steps_above; $above_midpoint_count++ ) { $current_step = '+' === $spacing_scale['operator'] ? $current_step + $spacing_scale['increment'] : ( $spacing_scale['increment'] >= 1 ? $current_step * $spacing_scale['increment'] : $current_step / $spacing_scale['increment'] ); $above_sizes[] = array( /* translators: %s: Digit to indicate multiple of sizing, eg. 2X-Large. */ 'name' => 0 === $above_midpoint_count ? __( 'Large' ) : sprintf( __( '%sX-Large' ), (string) $x_large_count ), 'slug' => (string) $slug, 'size' => round( $current_step, 2 ) . $unit, ); if ( 1 === $above_midpoint_count ) { $x_large_count = 2; } if ( $above_midpoint_count > 1 ) { $x_large_count++; } $slug += 10; } $spacing_sizes = $below_sizes; foreach ( $above_sizes as $above_sizes_item ) { $spacing_sizes[] = $above_sizes_item; } // If there are 7 or fewer steps in the scale revert to numbers for labels instead of t-shirt sizes. if ( $spacing_scale['steps'] <= 7 ) { for ( $spacing_sizes_count = 0; $spacing_sizes_count < count( $spacing_sizes ); $spacing_sizes_count++ ) { $spacing_sizes[ $spacing_sizes_count ]['name'] = (string) ( $spacing_sizes_count + 1 ); } } _wp_array_set( $this->theme_json, array( 'settings', 'spacing', 'spacingSizes', 'default' ), $spacing_sizes ); } /** * This is used to convert the internal representation of variables to the CSS representation. * For example, `var:preset|color|vivid-green-cyan` becomes `var(--wp--preset--color--vivid-green-cyan)`. * * @since 6.3.0 * @param string $value The variable such as var:preset|color|vivid-green-cyan to convert. * @return string The converted variable. */ private static function convert_custom_properties( $value ) { $prefix = 'var:'; $prefix_len = strlen( $prefix ); $token_in = '|'; $token_out = '--'; if ( str_starts_with( $value, $prefix ) ) { $unwrapped_name = str_replace( $token_in, $token_out, substr( $value, $prefix_len ) ); $value = "var(--wp--$unwrapped_name)"; } return $value; } /** * Given a tree, converts the internal representation of variables to the CSS representation. * It is recursive and modifies the input in-place. * * @since 6.3.0 * @param array $tree Input to process. * @return array The modified $tree. */ private static function resolve_custom_css_format( $tree ) { $prefix = 'var:'; foreach ( $tree as $key => $data ) { if ( is_string( $data ) && str_starts_with( $data, $prefix ) ) { $tree[ $key ] = self::convert_custom_properties( $data ); } elseif ( is_array( $data ) ) { $tree[ $key ] = self::resolve_custom_css_format( $data ); } } return $tree; } /** * Returns the selectors metadata for a block. * * @since 6.3.0 * * @param object $block_type The block type. * @param string $root_selector The block's root selector. * * @return array The custom selectors set by the block. */ protected static function get_block_selectors( $block_type, $root_selector ) { if ( ! empty( $block_type->selectors ) ) { return $block_type->selectors; } $selectors = array( 'root' => $root_selector ); foreach ( static::BLOCK_SUPPORT_FEATURE_LEVEL_SELECTORS as $key => $feature ) { $feature_selector = wp_get_block_css_selector( $block_type, $key ); if ( null !== $feature_selector ) { $selectors[ $feature ] = array( 'root' => $feature_selector ); } } return $selectors; } /** * Generates all the element selectors for a block. * * @since 6.3.0 * * @param string $root_selector The block's root CSS selector. * @return array The block's element selectors. */ protected static function get_block_element_selectors( $root_selector ) { /* * Assign defaults, then override those that the block sets by itself. * If the block selector is compounded, will append the element to each * individual block selector. */ $block_selectors = explode( ',', $root_selector ); $element_selectors = array(); foreach ( static::ELEMENTS as $el_name => $el_selector ) { $element_selector = array(); foreach ( $block_selectors as $selector ) { if ( $selector === $el_selector ) { $element_selector = array( $el_selector ); break; } $element_selector[] = static::prepend_to_selector( $el_selector, $selector . ' ' ); } $element_selectors[ $el_name ] = implode( ',', $element_selector ); } return $element_selectors; } /** * Generates style declarations for a node's features e.g., color, border, * typography etc. that have custom selectors in their related block's * metadata. * * @since 6.3.0 * * @param object $metadata The related block metadata containing selectors. * @param object $node A merged theme.json node for block or variation. * * @return array The style declarations for the node's features with custom * selectors. */ protected function get_feature_declarations_for_node( $metadata, &$node ) { $declarations = array(); if ( ! isset( $metadata['selectors'] ) ) { return $declarations; } $settings = _wp_array_get( $this->theme_json, array( 'settings' ) ); foreach ( $metadata['selectors'] as $feature => $feature_selectors ) { /* * Skip if this is the block's root selector or the block doesn't * have any styles for the feature. */ if ( 'root' === $feature || empty( $node[ $feature ] ) ) { continue; } if ( is_array( $feature_selectors ) ) { foreach ( $feature_selectors as $subfeature => $subfeature_selector ) { if ( 'root' === $subfeature || empty( $node[ $feature ][ $subfeature ] ) ) { continue; } /* * Create temporary node containing only the subfeature data * to leverage existing `compute_style_properties` function. */ $subfeature_node = array( $feature => array( $subfeature => $node[ $feature ][ $subfeature ], ), ); // Generate style declarations. $new_declarations = static::compute_style_properties( $subfeature_node, $settings, null, $this->theme_json ); // Merge subfeature declarations into feature declarations. if ( isset( $declarations[ $subfeature_selector ] ) ) { foreach ( $new_declarations as $new_declaration ) { $declarations[ $subfeature_selector ][] = $new_declaration; } } else { $declarations[ $subfeature_selector ] = $new_declarations; } /* * Remove the subfeature from the block's node now its * styles will be included under its own selector not the * block's. */ unset( $node[ $feature ][ $subfeature ] ); } } /* * Now subfeatures have been processed and removed we can process * feature root selector or simple string selector. */ if ( is_string( $feature_selectors ) || ( isset( $feature_selectors['root'] ) && $feature_selectors['root'] ) ) { $feature_selector = is_string( $feature_selectors ) ? $feature_selectors : $feature_selectors['root']; /* * Create temporary node containing only the feature data * to leverage existing `compute_style_properties` function. */ $feature_node = array( $feature => $node[ $feature ] ); // Generate the style declarations. $new_declarations = static::compute_style_properties( $feature_node, $settings, null, $this->theme_json ); /* * Merge new declarations with any that already exist for * the feature selector. This may occur when multiple block * support features use the same custom selector. */ if ( isset( $declarations[ $feature_selector ] ) ) { foreach ( $new_declarations as $new_declaration ) { $declarations[ $feature_selector ][] = $new_declaration; } } else { $declarations[ $feature_selector ] = $new_declarations; } /* * Remove the feature from the block's node now its styles * will be included under its own selector not the block's. */ unset( $node[ $feature ] ); } } return $declarations; } /** * Replaces CSS variables with their values in place. * * @since 6.3.0 * @param array $styles CSS declarations to convert. * @param array $values key => value pairs to use for replacement. * @return array */ private static function convert_variables_to_value( $styles, $values ) { foreach ( $styles as $key => $style ) { if ( is_array( $style ) ) { $styles[ $key ] = self::convert_variables_to_value( $style, $values ); continue; } if ( 0 <= strpos( $style, 'var(' ) ) { // find all the variables in the string in the form of var(--variable-name, fallback), with fallback in the second capture group. $has_matches = preg_match_all( '/var\(([^),]+)?,?\s?(\S+)?\)/', $style, $var_parts ); if ( $has_matches ) { $resolved_style = $styles[ $key ]; foreach ( $var_parts[1] as $index => $var_part ) { $key_in_values = 'var(' . $var_part . ')'; $rule_to_replace = $var_parts[0][ $index ]; // the css rule to replace e.g. var(--wp--preset--color--vivid-green-cyan). $fallback = $var_parts[2][ $index ]; // the fallback value. $resolved_style = str_replace( array( $rule_to_replace, $fallback, ), array( isset( $values[ $key_in_values ] ) ? $values[ $key_in_values ] : $rule_to_replace, isset( $values[ $fallback ] ) ? $values[ $fallback ] : $fallback, ), $resolved_style ); } $styles[ $key ] = $resolved_style; } } } return $styles; } /** * Resolves the values of CSS variables in the given styles. * * @since 6.3.0 * @param WP_Theme_JSON $theme_json The theme json resolver. * * @return WP_Theme_JSON The $theme_json with resolved variables. */ public static function resolve_variables( $theme_json ) { $settings = $theme_json->get_settings(); $styles = $theme_json->get_raw_data()['styles']; $preset_vars = static::compute_preset_vars( $settings, static::VALID_ORIGINS ); $theme_vars = static::compute_theme_vars( $settings ); $vars = array_reduce( array_merge( $preset_vars, $theme_vars ), function( $carry, $item ) { $name = $item['name']; $carry[ "var({$name})" ] = $item['value']; return $carry; }, array() ); $theme_json->theme_json['styles'] = self::convert_variables_to_value( $styles, $vars ); return $theme_json; } } ); if ( ! empty( $post_authors ) ) { $query_args['author__in'] = array(); foreach ( $post_authors as $post_author ) { // Do we have an author id or an author login? if ( 0 == (int) $post_author ) { $post_author = get_user_by( 'login', $post_author ); if ( empty( $post_author ) ) { continue; } if ( empty( $post_author->ID ) ) { continue; } $post_author = $post_author->ID; } $query_args['author__in'][] = (int) $post_author; } } } if ( is_array( $parent ) ) { $post_parent__in = array_map( 'absint', (array) $parent ); if ( ! empty( $post_parent__in ) ) { $query_args['post_parent__in'] = $post_parent__in; } } elseif ( $parent >= 0 ) { $query_args['post_parent'] = $parent; } /* * Maintain backward compatibility for `sort_column` key. * Additionally to `WP_Query`, it has been supporting the `post_modified_gmt` field, so this logic will translate * it to `post_modified` which should result in the same order given the two dates in the fields match. */ $orderby = wp_parse_list( $parsed_args['sort_column'] ); $orderby = array_map( static function( $orderby_field ) { $orderby_field = trim( $orderby_field ); if ( 'post_modified_gmt' === $orderby_field || 'modified_gmt' === $orderby_field ) { $orderby_field = str_replace( '_gmt', '', $orderby_field ); } return $orderby_field; }, $orderby ); if ( $orderby ) { $query_args['orderby'] = array_fill_keys( $orderby, $parsed_args['sort_order'] ); } $order = $parsed_args['sort_order']; if ( $order ) { $query_args['order'] = $order; } if ( ! empty( $number ) ) { $query_args['posts_per_page'] = $number; } /** * Filters query arguments passed to WP_Query in get_pages. * * @since 6.3.0 * * @param array $query_args Array of arguments passed to WP_Query. * @param array $parsed_args Array of get_pages() arguments. */ $query_args = apply_filters( 'get_pages_query_args', $query_args, $parsed_args ); $pages = new WP_Query(); $pages = $pages->query( $query_args ); if ( $child_of || $hierarchical ) { $pages = get_page_children( $child_of, $pages ); } if ( ! empty( $parsed_args['exclude_tree'] ) ) { $exclude = wp_parse_id_list( $parsed_args['exclude_tree'] ); foreach ( $exclude as $id ) { $children = get_page_children( $id, $pages ); foreach ( $children as $child ) { $exclude[] = $child->ID; } } $num_pages = count( $pages ); for ( $i = 0; $i < $num_pages; $i++ ) { if ( in_array( $pages[ $i ]->ID, $exclude, true ) ) { unset( $pages[ $i ] ); } } } /** * Filters the retrieved list of pages. * * @since 2.1.0 * * @param WP_Post[] $pages Array of page objects. * @param array $parsed_args Array of get_pages() arguments. */ return apply_filters( 'get_pages', $pages, $parsed_args ); } // // Attachment functions. // /** * Determines whether an attachment URI is local and really an attachment. * * For more information on this and similar theme functions, check out * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ * Conditional Tags} article in the Theme Developer Handbook. * * @since 2.0.0 * * @param string $url URL to check * @return bool True on success, false on failure. */ function is_local_attachment( $url ) { if ( ! str_contains( $url, home_url() ) ) { return false; } if ( str_contains( $url, home_url( '/?attachment_id=' ) ) ) { return true; } $id = url_to_postid( $url ); if ( $id ) { $post = get_post( $id ); if ( 'attachment' === $post->post_type ) { return true; } } return false; } /** * Inserts an attachment. * * If you set the 'ID' in the $args parameter, it will mean that you are * updating and attempt to update the attachment. You can also set the * attachment name or title by setting the key 'post_name' or 'post_title'. * * You can set the dates for the attachment manually by setting the 'post_date' * and 'post_date_gmt' keys' values. * * By default, the comments will use the default settings for whether the * comments are allowed. You can close them manually or keep them open by * setting the value for the 'comment_status' key. * * @since 2.0.0 * @since 4.7.0 Added the `$wp_error` parameter to allow a WP_Error to be returned on failure. * @since 5.6.0 Added the `$fire_after_hooks` parameter. * * @see wp_insert_post() * * @param string|array $args Arguments for inserting an attachment. * @param string|false $file Optional. Filename. Default false. * @param int $parent_post_id Optional. Parent post ID or 0 for no parent. Default 0. * @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false. * @param bool $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true. * @return int|WP_Error The attachment ID on success. The value 0 or WP_Error on failure. */ function wp_insert_attachment( $args, $file = false, $parent_post_id = 0, $wp_error = false, $fire_after_hooks = true ) { $defaults = array( 'file' => $file, 'post_parent' => 0, ); $data = wp_parse_args( $args, $defaults ); if ( ! empty( $parent_post_id ) ) { $data['post_parent'] = $parent_post_id; } $data['post_type'] = 'attachment'; return wp_insert_post( $data, $wp_error, $fire_after_hooks ); } /** * Trashes or deletes an attachment. * * When an attachment is permanently deleted, the file will also be removed. * Deletion removes all post meta fields, taxonomy, comments, etc. associated * with the attachment (except the main post). * * The attachment is moved to the Trash instead of permanently deleted unless Trash * for media is disabled, item is already in the Trash, or $force_delete is true. * * @since 2.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $post_id Attachment ID. * @param bool $force_delete Optional. Whether to bypass Trash and force deletion. * Default false. * @return WP_Post|false|null Post data on success, false or null on failure. */ function wp_delete_attachment( $post_id, $force_delete = false ) { global $wpdb; $post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d", $post_id ) ); if ( ! $post ) { return $post; } $post = get_post( $post ); if ( 'attachment' !== $post->post_type ) { return false; } if ( ! $force_delete && EMPTY_TRASH_DAYS && MEDIA_TRASH && 'trash' !== $post->post_status ) { return wp_trash_post( $post_id ); } /** * Filters whether an attachment deletion should take place. * * @since 5.5.0 * * @param WP_Post|false|null $delete Whether to go forward with deletion. * @param WP_Post $post Post object. * @param bool $force_delete Whether to bypass the Trash. */ $check = apply_filters( 'pre_delete_attachment', null, $post, $force_delete ); if ( null !== $check ) { return $check; } delete_post_meta( $post_id, '_wp_trash_meta_status' ); delete_post_meta( $post_id, '_wp_trash_meta_time' ); $meta = wp_get_attachment_metadata( $post_id ); $backup_sizes = get_post_meta( $post->ID, '_wp_attachment_backup_sizes', true ); $file = get_attached_file( $post_id ); if ( is_multisite() && is_string( $file ) && ! empty( $file ) ) { clean_dirsize_cache( $file ); } /** * Fires before an attachment is deleted, at the start of wp_delete_attachment(). * * @since 2.0.0 * @since 5.5.0 Added the `$post` parameter. * * @param int $post_id Attachment ID. * @param WP_Post $post Post object. */ do_action( 'delete_attachment', $post_id, $post ); wp_delete_object_term_relationships( $post_id, array( 'category', 'post_tag' ) ); wp_delete_object_term_relationships( $post_id, get_object_taxonomies( $post->post_type ) ); // Delete all for any posts. delete_metadata( 'post', null, '_thumbnail_id', $post_id, true ); wp_defer_comment_counting( true ); $comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d ORDER BY comment_ID DESC", $post_id ) ); foreach ( $comment_ids as $comment_id ) { wp_delete_comment( $comment_id, true ); } wp_defer_comment_counting( false ); $post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $post_id ) ); foreach ( $post_meta_ids as $mid ) { delete_metadata_by_mid( 'post', $mid ); } /** This action is documented in wp-includes/post.php */ do_action( 'delete_post', $post_id, $post ); $result = $wpdb->delete( $wpdb->posts, array( 'ID' => $post_id ) ); if ( ! $result ) { return false; } /** This action is documented in wp-includes/post.php */ do_action( 'deleted_post', $post_id, $post ); wp_delete_attachment_files( $post_id, $meta, $backup_sizes, $file ); clean_post_cache( $post ); return $post; } /** * Deletes all files that belong to the given attachment. * * @since 4.9.7 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $post_id Attachment ID. * @param array $meta The attachment's meta data. * @param array $backup_sizes The meta data for the attachment's backup images. * @param string $file Absolute path to the attachment's file. * @return bool True on success, false on failure. */ function wp_delete_attachment_files( $post_id, $meta, $backup_sizes, $file ) { global $wpdb; $uploadpath = wp_get_upload_dir(); $deleted = true; if ( ! empty( $meta['thumb'] ) ) { // Don't delete the thumb if another attachment uses it. if ( ! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%' . $wpdb->esc_like( $meta['thumb'] ) . '%', $post_id ) ) ) { $thumbfile = str_replace( wp_basename( $file ), $meta['thumb'], $file ); if ( ! empty( $thumbfile ) ) { $thumbfile = path_join( $uploadpath['basedir'], $thumbfile ); $thumbdir = path_join( $uploadpath['basedir'], dirname( $file ) ); if ( ! wp_delete_file_from_directory( $thumbfile, $thumbdir ) ) { $deleted = false; } } } } // Remove intermediate and backup images if there are any. if ( isset( $meta['sizes'] ) && is_array( $meta['sizes'] ) ) { $intermediate_dir = path_join( $uploadpath['basedir'], dirname( $file ) ); foreach ( $meta['sizes'] as $size => $sizeinfo ) { $intermediate_file = str_replace( wp_basename( $file ), $sizeinfo['file'], $file ); if ( ! empty( $intermediate_file ) ) { $intermediate_file = path_join( $uploadpath['basedir'], $intermediate_file ); if ( ! wp_delete_file_from_directory( $intermediate_file, $intermediate_dir ) ) { $deleted = false; } } } } if ( ! empty( $meta['original_image'] ) ) { if ( empty( $intermediate_dir ) ) { $intermediate_dir = path_join( $uploadpath['basedir'], dirname( $file ) ); } $original_image = str_replace( wp_basename( $file ), $meta['original_image'], $file ); if ( ! empty( $original_image ) ) { $original_image = path_join( $uploadpath['basedir'], $original_image ); if ( ! wp_delete_file_from_directory( $original_image, $intermediate_dir ) ) { $deleted = false; } } } if ( is_array( $backup_sizes ) ) { $del_dir = path_join( $uploadpath['basedir'], dirname( $meta['file'] ) ); foreach ( $backup_sizes as $size ) { $del_file = path_join( dirname( $meta['file'] ), $size['file'] ); if ( ! empty( $del_file ) ) { $del_file = path_join( $uploadpath['basedir'], $del_file ); if ( ! wp_delete_file_from_directory( $del_file, $del_dir ) ) { $deleted = false; } } } } if ( ! wp_delete_file_from_directory( $file, $uploadpath['basedir'] ) ) { $deleted = false; } return $deleted; } /** * Retrieves attachment metadata for attachment ID. * * @since 2.1.0 * @since 6.0.0 The `$filesize` value was added to the returned array. * * @param int $attachment_id Attachment post ID. Defaults to global $post. * @param bool $unfiltered Optional. If true, filters are not run. Default false. * @return array|false { * Attachment metadata. False on failure. * * @type int $width The width of the attachment. * @type int $height The height of the attachment. * @type string $file The file path relative to `wp-content/uploads`. * @type array $sizes Keys are size slugs, each value is an array containing * 'file', 'width', 'height', and 'mime-type'. * @type array $image_meta Image metadata. * @type int $filesize File size of the attachment. * } */ function wp_get_attachment_metadata( $attachment_id = 0, $unfiltered = false ) { $attachment_id = (int) $attachment_id; if ( ! $attachment_id ) { $post = get_post(); if ( ! $post ) { return false; } $attachment_id = $post->ID; } $data = get_post_meta( $attachment_id, '_wp_attachment_metadata', true ); if ( ! $data ) { return false; } if ( $unfiltered ) { return $data; } /** * Filters the attachment meta data. * * @since 2.1.0 * * @param array $data Array of meta data for the given attachment. * @param int $attachment_id Attachment post ID. */ return apply_filters( 'wp_get_attachment_metadata', $data, $attachment_id ); } /** * Updates metadata for an attachment. * * @since 2.1.0 * * @param int $attachment_id Attachment post ID. * @param array $data Attachment meta data. * @return int|false False if $post is invalid. */ function wp_update_attachment_metadata( $attachment_id, $data ) { $attachment_id = (int) $attachment_id; $post = get_post( $attachment_id ); if ( ! $post ) { return false; } /** * Filters the updated attachment meta data. * * @since 2.1.0 * * @param array $data Array of updated attachment meta data. * @param int $attachment_id Attachment post ID. */ $data = apply_filters( 'wp_update_attachment_metadata', $data, $post->ID ); if ( $data ) { return update_post_meta( $post->ID, '_wp_attachment_metadata', $data ); } else { return delete_post_meta( $post->ID, '_wp_attachment_metadata' ); } } /** * Retrieves the URL for an attachment. * * @since 2.1.0 * * @global string $pagenow The filename of the current screen. * * @param int $attachment_id Optional. Attachment post ID. Defaults to global $post. * @return string|false Attachment URL, otherwise false. */ function wp_get_attachment_url( $attachment_id = 0 ) { global $pagenow; $attachment_id = (int) $attachment_id; $post = get_post( $attachment_id ); if ( ! $post ) { return false; } if ( 'attachment' !== $post->post_type ) { return false; } $url = ''; // Get attached file. $file = get_post_meta( $post->ID, '_wp_attached_file', true ); if ( $file ) { // Get upload directory. $uploads = wp_get_upload_dir(); if ( $uploads && false === $uploads['error'] ) { // Check that the upload base exists in the file location. if ( str_starts_with( $file, $uploads['basedir'] ) ) { // Replace file location with url location. $url = str_replace( $uploads['basedir'], $uploads['baseurl'], $file ); } elseif ( str_contains( $file, 'wp-content/uploads' ) ) { // Get the directory name relative to the basedir (back compat for pre-2.7 uploads). $url = trailingslashit( $uploads['baseurl'] . '/' . _wp_get_attachment_relative_path( $file ) ) . wp_basename( $file ); } else { // It's a newly-uploaded file, therefore $file is relative to the basedir. $url = $uploads['baseurl'] . "/$file"; } } } /* * If any of the above options failed, Fallback on the GUID as used pre-2.7, * not recommended to rely upon this. */ if ( ! $url ) { $url = get_the_guid( $post->ID ); } // On SSL front end, URLs should be HTTPS. if ( is_ssl() && ! is_admin() && 'wp-login.php' !== $pagenow ) { $url = set_url_scheme( $url ); } /** * Filters the attachment URL. * * @since 2.1.0 * * @param string $url URL for the given attachment. * @param int $attachment_id Attachment post ID. */ $url = apply_filters( 'wp_get_attachment_url', $url, $post->ID ); if ( ! $url ) { return false; } return $url; } /** * Retrieves the caption for an attachment. * * @since 4.6.0 * * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`. * @return string|false Attachment caption on success, false on failure. */ function wp_get_attachment_caption( $post_id = 0 ) { $post_id = (int) $post_id; $post = get_post( $post_id ); if ( ! $post ) { return false; } if ( 'attachment' !== $post->post_type ) { return false; } $caption = $post->post_excerpt; /** * Filters the attachment caption. * * @since 4.6.0 * * @param string $caption Caption for the given attachment. * @param int $post_id Attachment ID. */ return apply_filters( 'wp_get_attachment_caption', $caption, $post->ID ); } /** * Retrieves URL for an attachment thumbnail. * * @since 2.1.0 * @since 6.1.0 Changed to use wp_get_attachment_image_url(). * * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`. * @return string|false Thumbnail URL on success, false on failure. */ function wp_get_attachment_thumb_url( $post_id = 0 ) { $post_id = (int) $post_id; /* * This uses image_downsize() which also looks for the (very) old format $image_meta['thumb'] * when the newer format $image_meta['sizes']['thumbnail'] doesn't exist. */ $thumbnail_url = wp_get_attachment_image_url( $post_id, 'thumbnail' ); if ( empty( $thumbnail_url ) ) { return false; } /** * Filters the attachment thumbnail URL. * * @since 2.1.0 * * @param string $thumbnail_url URL for the attachment thumbnail. * @param int $post_id Attachment ID. */ return apply_filters( 'wp_get_attachment_thumb_url', $thumbnail_url, $post_id ); } /** * Verifies an attachment is of a given type. * * @since 4.2.0 * * @param string $type Attachment type. Accepts 'image', 'audio', or 'video'. * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post. * @return bool True if one of the accepted types, false otherwise. */ function wp_attachment_is( $type, $post = null ) { $post = get_post( $post ); if ( ! $post ) { return false; } $file = get_attached_file( $post->ID ); if ( ! $file ) { return false; } if ( str_starts_with( $post->post_mime_type, $type . '/' ) ) { return true; } $check = wp_check_filetype( $file ); if ( empty( $check['ext'] ) ) { return false; } $ext = $check['ext']; if ( 'import' !== $post->post_mime_type ) { return $type === $ext; } switch ( $type ) { case 'image': $image_exts = array( 'jpg', 'jpeg', 'jpe', 'gif', 'png', 'webp' ); return in_array( $ext, $image_exts, true ); case 'audio': return in_array( $ext, wp_get_audio_extensions(), true ); case 'video': return in_array( $ext, wp_get_video_extensions(), true ); default: return $type === $ext; } } /** * Determines whether an attachment is an image. * * For more information on this and similar theme functions, check out * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ * Conditional Tags} article in the Theme Developer Handbook. * * @since 2.1.0 * @since 4.2.0 Modified into wrapper for wp_attachment_is() and * allowed WP_Post object to be passed. * * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post. * @return bool Whether the attachment is an image. */ function wp_attachment_is_image( $post = null ) { return wp_attachment_is( 'image', $post ); } /** * Retrieves the icon for a MIME type or attachment. * * @since 2.1.0 * * @param string|int $mime MIME type or attachment ID. * @return string|false Icon, false otherwise. */ function wp_mime_type_icon( $mime = 0 ) { if ( ! is_numeric( $mime ) ) { $icon = wp_cache_get( "mime_type_icon_$mime" ); } $post_id = 0; if ( empty( $icon ) ) { $post_mimes = array(); if ( is_numeric( $mime ) ) { $mime = (int) $mime; $post = get_post( $mime ); if ( $post ) { $post_id = (int) $post->ID; $file = get_attached_file( $post_id ); $ext = preg_replace( '/^.+?\.([^.]+)$/', '$1', $file ); if ( ! empty( $ext ) ) { $post_mimes[] = $ext; $ext_type = wp_ext2type( $ext ); if ( $ext_type ) { $post_mimes[] = $ext_type; } } $mime = $post->post_mime_type; } else { $mime = 0; } } else { $post_mimes[] = $mime; } $icon_files = wp_cache_get( 'icon_files' ); if ( ! is_array( $icon_files ) ) { /** * Filters the icon directory path. * * @since 2.0.0 * * @param string $path Icon directory absolute path. */ $icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/media' ); /** * Filters the icon directory URI. * * @since 2.0.0 * * @param string $uri Icon directory URI. */ $icon_dir_uri = apply_filters( 'icon_dir_uri', includes_url( 'images/media' ) ); /** * Filters the array of icon directory URIs. * * @since 2.5.0 * * @param string[] $uris Array of icon directory URIs keyed by directory absolute path. */ $dirs = apply_filters( 'icon_dirs', array( $icon_dir => $icon_dir_uri ) ); $icon_files = array(); while ( $dirs ) { $keys = array_keys( $dirs ); $dir = array_shift( $keys ); $uri = array_shift( $dirs ); $dh = opendir( $dir ); if ( $dh ) { while ( false !== $file = readdir( $dh ) ) { $file = wp_basename( $file ); if ( str_starts_with( $file, '.' ) ) { continue; } $ext = strtolower( substr( $file, -4 ) ); if ( ! in_array( $ext, array( '.png', '.gif', '.jpg' ), true ) ) { if ( is_dir( "$dir/$file" ) ) { $dirs[ "$dir/$file" ] = "$uri/$file"; } continue; } $icon_files[ "$dir/$file" ] = "$uri/$file"; } closedir( $dh ); } } wp_cache_add( 'icon_files', $icon_files, 'default', 600 ); } $types = array(); // Icon wp_basename - extension = MIME wildcard. foreach ( $icon_files as $file => $uri ) { $types[ preg_replace( '/^([^.]*).*$/', '$1', wp_basename( $file ) ) ] =& $icon_files[ $file ]; } if ( ! empty( $mime ) ) { $post_mimes[] = substr( $mime, 0, strpos( $mime, '/' ) ); $post_mimes[] = substr( $mime, strpos( $mime, '/' ) + 1 ); $post_mimes[] = str_replace( '/', '_', $mime ); } $matches = wp_match_mime_types( array_keys( $types ), $post_mimes ); $matches['default'] = array( 'default' ); foreach ( $matches as $match => $wilds ) { foreach ( $wilds as $wild ) { if ( ! isset( $types[ $wild ] ) ) { continue; } $icon = $types[ $wild ]; if ( ! is_numeric( $mime ) ) { wp_cache_add( "mime_type_icon_$mime", $icon ); } break 2; } } } /** * Filters the mime type icon. * * @since 2.1.0 * * @param string $icon Path to the mime type icon. * @param string $mime Mime type. * @param int $post_id Attachment ID. Will equal 0 if the function passed * the mime type. */ return apply_filters( 'wp_mime_type_icon', $icon, $mime, $post_id ); } /** * Checks for changed slugs for published post objects and save the old slug. * * The function is used when a post object of any type is updated, * by comparing the current and previous post objects. * * If the slug was changed and not already part of the old slugs then it will be * added to the post meta field ('_wp_old_slug') for storing old slugs for that * post. * * The most logically usage of this function is redirecting changed post objects, so * that those that linked to an changed post will be redirected to the new post. * * @since 2.1.0 * * @param int $post_id Post ID. * @param WP_Post $post The post object. * @param WP_Post $post_before The previous post object. */ function wp_check_for_changed_slugs( $post_id, $post, $post_before ) { // Don't bother if it hasn't changed. if ( $post->post_name == $post_before->post_name ) { return; } // We're only concerned with published, non-hierarchical objects. if ( ! ( 'publish' === $post->post_status || ( 'attachment' === get_post_type( $post ) && 'inherit' === $post->post_status ) ) || is_post_type_hierarchical( $post->post_type ) ) { return; } $old_slugs = (array) get_post_meta( $post_id, '_wp_old_slug' ); // If we haven't added this old slug before, add it now. if ( ! empty( $post_before->post_name ) && ! in_array( $post_before->post_name, $old_slugs, true ) ) { add_post_meta( $post_id, '_wp_old_slug', $post_before->post_name ); } // If the new slug was used previously, delete it from the list. if ( in_array( $post->post_name, $old_slugs, true ) ) { delete_post_meta( $post_id, '_wp_old_slug', $post->post_name ); } } /** * Checks for changed dates for published post objects and save the old date. * * The function is used when a post object of any type is updated, * by comparing the current and previous post objects. * * If the date was changed and not already part of the old dates then it will be * added to the post meta field ('_wp_old_date') for storing old dates for that * post. * * The most logically usage of this function is redirecting changed post objects, so * that those that linked to an changed post will be redirected to the new post. * * @since 4.9.3 * * @param int $post_id Post ID. * @param WP_Post $post The post object. * @param WP_Post $post_before The previous post object. */ function wp_check_for_changed_dates( $post_id, $post, $post_before ) { $previous_date = gmdate( 'Y-m-d', strtotime( $post_before->post_date ) ); $new_date = gmdate( 'Y-m-d', strtotime( $post->post_date ) ); // Don't bother if it hasn't changed. if ( $new_date == $previous_date ) { return; } // We're only concerned with published, non-hierarchical objects. if ( ! ( 'publish' === $post->post_status || ( 'attachment' === get_post_type( $post ) && 'inherit' === $post->post_status ) ) || is_post_type_hierarchical( $post->post_type ) ) { return; } $old_dates = (array) get_post_meta( $post_id, '_wp_old_date' ); // If we haven't added this old date before, add it now. if ( ! empty( $previous_date ) && ! in_array( $previous_date, $old_dates, true ) ) { add_post_meta( $post_id, '_wp_old_date', $previous_date ); } // If the new slug was used previously, delete it from the list. if ( in_array( $new_date, $old_dates, true ) ) { delete_post_meta( $post_id, '_wp_old_date', $new_date ); } } /** * Retrieves the private post SQL based on capability. * * This function provides a standardized way to appropriately select on the * post_status of a post type. The function will return a piece of SQL code * that can be added to a WHERE clause; this SQL is constructed to allow all * published posts, and all private posts to which the user has access. * * @since 2.2.0 * @since 4.3.0 Added the ability to pass an array to `$post_type`. * * @param string|array $post_type Single post type or an array of post types. Currently only supports 'post' or 'page'. * @return string SQL code that can be added to a where clause. */ function get_private_posts_cap_sql( $post_type ) { return get_posts_by_author_sql( $post_type, false ); } /** * Retrieves the post SQL based on capability, author, and type. * * @since 3.0.0 * @since 4.3.0 Introduced the ability to pass an array of post types to `$post_type`. * * @see get_private_posts_cap_sql() * @global wpdb $wpdb WordPress database abstraction object. * * @param string|string[] $post_type Single post type or an array of post types. * @param bool $full Optional. Returns a full WHERE statement instead of just * an 'andalso' term. Default true. * @param int $post_author Optional. Query posts having a single author ID. Default null. * @param bool $public_only Optional. Only return public posts. Skips cap checks for * $current_user. Default false. * @return string SQL WHERE code that can be added to a query. */ function get_posts_by_author_sql( $post_type, $full = true, $post_author = null, $public_only = false ) { global $wpdb; if ( is_array( $post_type ) ) { $post_types = $post_type; } else { $post_types = array( $post_type ); } $post_type_clauses = array(); foreach ( $post_types as $post_type ) { $post_type_obj = get_post_type_object( $post_type ); if ( ! $post_type_obj ) { continue; } /** * Filters the capability to read private posts for a custom post type * when generating SQL for getting posts by author. * * @since 2.2.0 * @deprecated 3.2.0 The hook transitioned from "somewhat useless" to "totally useless". * * @param string $cap Capability. */ $cap = apply_filters_deprecated( 'pub_priv_sql_capability', array( '' ), '3.2.0' ); if ( ! $cap ) { $cap = current_user_can( $post_type_obj->cap->read_private_posts ); } // Only need to check the cap if $public_only is false. $post_status_sql = "post_status = 'publish'"; if ( false === $public_only ) { if ( $cap ) { // Does the user have the capability to view private posts? Guess so. $post_status_sql .= " OR post_status = 'private'"; } elseif ( is_user_logged_in() ) { // Users can view their own private posts. $id = get_current_user_id(); if ( null === $post_author || ! $full ) { $post_status_sql .= " OR post_status = 'private' AND post_author = $id"; } elseif ( $id == (int) $post_author ) { $post_status_sql .= " OR post_status = 'private'"; } // Else none. } // Else none. } $post_type_clauses[] = "( post_type = '" . $post_type . "' AND ( $post_status_sql ) )"; } if ( empty( $post_type_clauses ) ) { return $full ? 'WHERE 1 = 0' : '1 = 0'; } $sql = '( ' . implode( ' OR ', $post_type_clauses ) . ' )'; if ( null !== $post_author ) { $sql .= $wpdb->prepare( ' AND post_author = %d', $post_author ); } if ( $full ) { $sql = 'WHERE ' . $sql; } return $sql; } /** * Retrieves the most recent time that a post on the site was published. * * The server timezone is the default and is the difference between GMT and * server time. The 'blog' value is the date when the last post was posted. * The 'gmt' is when the last post was posted in GMT formatted date. * * @since 0.71 * @since 4.4.0 The `$post_type` argument was added. * * @param string $timezone Optional. The timezone for the timestamp. Accepts 'server', 'blog', or 'gmt'. * 'server' uses the server's internal timezone. * 'blog' uses the `post_date` field, which proxies to the timezone set for the site. * 'gmt' uses the `post_date_gmt` field. * Default 'server'. * @param string $post_type Optional. The post type to check. Default 'any'. * @return string The date of the last post, or false on failure. */ function get_lastpostdate( $timezone = 'server', $post_type = 'any' ) { $lastpostdate = _get_last_post_time( $timezone, 'date', $post_type ); /** * Filters the most recent time that a post on the site was published. * * @since 2.3.0 * @since 5.5.0 Added the `$post_type` parameter. * * @param string|false $lastpostdate The most recent time that a post was published, * in 'Y-m-d H:i:s' format. False on failure. * @param string $timezone Location to use for getting the post published date. * See get_lastpostdate() for accepted `$timezone` values. * @param string $post_type The post type to check. */ return apply_filters( 'get_lastpostdate', $lastpostdate, $timezone, $post_type ); } /** * Gets the most recent time that a post on the site was modified. * * The server timezone is the default and is the difference between GMT and * server time. The 'blog' value is just when the last post was modified. * The 'gmt' is when the last post was modified in GMT time. * * @since 1.2.0 * @since 4.4.0 The `$post_type` argument was added. * * @param string $timezone Optional. The timezone for the timestamp. See get_lastpostdate() * for information on accepted values. * Default 'server'. * @param string $post_type Optional. The post type to check. Default 'any'. * @return string The timestamp in 'Y-m-d H:i:s' format, or false on failure. */ function get_lastpostmodified( $timezone = 'server', $post_type = 'any' ) { /** * Pre-filter the return value of get_lastpostmodified() before the query is run. * * @since 4.4.0 * * @param string|false $lastpostmodified The most recent time that a post was modified, * in 'Y-m-d H:i:s' format, or false. Returning anything * other than false will short-circuit the function. * @param string $timezone Location to use for getting the post modified date. * See get_lastpostdate() for accepted `$timezone` values. * @param string $post_type The post type to check. */ $lastpostmodified = apply_filters( 'pre_get_lastpostmodified', false, $timezone, $post_type ); if ( false !== $lastpostmodified ) { return $lastpostmodified; } $lastpostmodified = _get_last_post_time( $timezone, 'modified', $post_type ); $lastpostdate = get_lastpostdate( $timezone, $post_type ); if ( $lastpostdate > $lastpostmodified ) { $lastpostmodified = $lastpostdate; } /** * Filters the most recent time that a post on the site was modified. * * @since 2.3.0 * @since 5.5.0 Added the `$post_type` parameter. * * @param string|false $lastpostmodified The most recent time that a post was modified, * in 'Y-m-d H:i:s' format. False on failure. * @param string $timezone Location to use for getting the post modified date. * See get_lastpostdate() for accepted `$timezone` values. * @param string $post_type The post type to check. */ return apply_filters( 'get_lastpostmodified', $lastpostmodified, $timezone, $post_type ); } /** * Gets the timestamp of the last time any post was modified or published. * * @since 3.1.0 * @since 4.4.0 The `$post_type` argument was added. * @access private * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $timezone The timezone for the timestamp. See get_lastpostdate(). * for information on accepted values. * @param string $field Post field to check. Accepts 'date' or 'modified'. * @param string $post_type Optional. The post type to check. Default 'any'. * @return string|false The timestamp in 'Y-m-d H:i:s' format, or false on failure. */ function _get_last_post_time( $timezone, $field, $post_type = 'any' ) { global $wpdb; if ( ! in_array( $field, array( 'date', 'modified' ), true ) ) { return false; } $timezone = strtolower( $timezone ); $key = "lastpost{$field}:$timezone"; if ( 'any' !== $post_type ) { $key .= ':' . sanitize_key( $post_type ); } $date = wp_cache_get( $key, 'timeinfo' ); if ( false !== $date ) { return $date; } if ( 'any' === $post_type ) { $post_types = get_post_types( array( 'public' => true ) ); array_walk( $post_types, array( $wpdb, 'escape_by_ref' ) ); $post_types = "'" . implode( "', '", $post_types ) . "'"; } else { $post_types = "'" . sanitize_key( $post_type ) . "'"; } switch ( $timezone ) { case 'gmt': $date = $wpdb->get_var( "SELECT post_{$field}_gmt FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" ); break; case 'blog': $date = $wpdb->get_var( "SELECT post_{$field} FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" ); break; case 'server': $add_seconds_server = gmdate( 'Z' ); $date = $wpdb->get_var( "SELECT DATE_ADD(post_{$field}_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" ); break; } if ( $date ) { wp_cache_set( $key, $date, 'timeinfo' ); return $date; } return false; } /** * Updates posts in cache. * * @since 1.5.1 * * @param WP_Post[] $posts Array of post objects (passed by reference). */ function update_post_cache( &$posts ) { if ( ! $posts ) { return; } $data = array(); foreach ( $posts as $post ) { if ( empty( $post->filter ) || 'raw' !== $post->filter ) { $post = sanitize_post( $post, 'raw' ); } $data[ $post->ID ] = $post; } wp_cache_add_multiple( $data, 'posts' ); } /** * Will clean the post in the cache. * * Cleaning means delete from the cache of the post. Will call to clean the term * object cache associated with the post ID. * * This function not run if $_wp_suspend_cache_invalidation is not empty. See * wp_suspend_cache_invalidation(). * * @since 2.0.0 * * @global bool $_wp_suspend_cache_invalidation * * @param int|WP_Post $post Post ID or post object to remove from the cache. */ function clean_post_cache( $post ) { global $_wp_suspend_cache_invalidation; if ( ! empty( $_wp_suspend_cache_invalidation ) ) { return; } $post = get_post( $post ); if ( ! $post ) { return; } wp_cache_delete( $post->ID, 'posts' ); wp_cache_delete( $post->ID, 'post_meta' ); clean_object_term_cache( $post->ID, $post->post_type ); wp_cache_delete( 'wp_get_archives', 'general' ); /** * Fires immediately after the given post's cache is cleaned. * * @since 2.5.0 * * @param int $post_id Post ID. * @param WP_Post $post Post object. */ do_action( 'clean_post_cache', $post->ID, $post ); if ( 'page' === $post->post_type ) { wp_cache_delete( 'all_page_ids', 'posts' ); /** * Fires immediately after the given page's cache is cleaned. * * @since 2.5.0 * * @param int $post_id Post ID. */ do_action( 'clean_page_cache', $post->ID ); } wp_cache_set_posts_last_changed(); } /** * Updates post, term, and metadata caches for a list of post objects. * * @since 1.5.0 * * @param WP_Post[] $posts Array of post objects (passed by reference). * @param string $post_type Optional. Post type. Default 'post'. * @param bool $update_term_cache Optional. Whether to update the term cache. Default true. * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. */ function update_post_caches( &$posts, $post_type = 'post', $update_term_cache = true, $update_meta_cache = true ) { // No point in doing all this work if we didn't match any posts. if ( ! $posts ) { return; } update_post_cache( $posts ); $post_ids = array(); foreach ( $posts as $post ) { $post_ids[] = $post->ID; } if ( ! $post_type ) { $post_type = 'any'; } if ( $update_term_cache ) { if ( is_array( $post_type ) ) { $ptypes = $post_type; } elseif ( 'any' === $post_type ) { $ptypes = array(); // Just use the post_types in the supplied posts. foreach ( $posts as $post ) { $ptypes[] = $post->post_type; } $ptypes = array_unique( $ptypes ); } else { $ptypes = array( $post_type ); } if ( ! empty( $ptypes ) ) { update_object_term_cache( $post_ids, $ptypes ); } } if ( $update_meta_cache ) { update_postmeta_cache( $post_ids ); } } /** * Updates post author user caches for a list of post objects. * * @since 6.1.0 * * @param WP_Post[] $posts Array of post objects. */ function update_post_author_caches( $posts ) { /* * cache_users() is a pluggable function so is not available prior * to the `plugins_loaded` hook firing. This is to ensure against * fatal errors when the function is not available. */ if ( ! function_exists( 'cache_users' ) ) { return; } $author_ids = wp_list_pluck( $posts, 'post_author' ); $author_ids = array_map( 'absint', $author_ids ); $author_ids = array_unique( array_filter( $author_ids ) ); cache_users( $author_ids ); } /** * Updates parent post caches for a list of post objects. * * @since 6.1.0 * * @param WP_Post[] $posts Array of post objects. */ function update_post_parent_caches( $posts ) { $parent_ids = wp_list_pluck( $posts, 'post_parent' ); $parent_ids = array_map( 'absint', $parent_ids ); $parent_ids = array_unique( array_filter( $parent_ids ) ); if ( ! empty( $parent_ids ) ) { _prime_post_caches( $parent_ids, false ); } } /** * Updates metadata cache for a list of post IDs. * * Performs SQL query to retrieve the metadata for the post IDs and updates the * metadata cache for the posts. Therefore, the functions, which call this * function, do not need to perform SQL queries on their own. * * @since 2.1.0 * * @param int[] $post_ids Array of post IDs. * @return array|false An array of metadata on success, false if there is nothing to update. */ function update_postmeta_cache( $post_ids ) { return update_meta_cache( 'post', $post_ids ); } /** * Will clean the attachment in the cache. * * Cleaning means delete from the cache. Optionally will clean the term * object cache associated with the attachment ID. * * This function will not run if $_wp_suspend_cache_invalidation is not empty. * * @since 3.0.0 * * @global bool $_wp_suspend_cache_invalidation * * @param int $id The attachment ID in the cache to clean. * @param bool $clean_terms Optional. Whether to clean terms cache. Default false. */ function clean_attachment_cache( $id, $clean_terms = false ) { global $_wp_suspend_cache_invalidation; if ( ! empty( $_wp_suspend_cache_invalidation ) ) { return; } $id = (int) $id; wp_cache_delete( $id, 'posts' ); wp_cache_delete( $id, 'post_meta' ); if ( $clean_terms ) { clean_object_term_cache( $id, 'attachment' ); } /** * Fires after the given attachment's cache is cleaned. * * @since 3.0.0 * * @param int $id Attachment ID. */ do_action( 'clean_attachment_cache', $id ); } // // Hooks. // /** * Hook for managing future post transitions to published. * * @since 2.3.0 * @access private * * @see wp_clear_scheduled_hook() * @global wpdb $wpdb WordPress database abstraction object. * * @param string $new_status New post status. * @param string $old_status Previous post status. * @param WP_Post $post Post object. */ function _transition_post_status( $new_status, $old_status, $post ) { global $wpdb; if ( 'publish' !== $old_status && 'publish' === $new_status ) { // Reset GUID if transitioning to publish and it is empty. if ( '' === get_the_guid( $post->ID ) ) { $wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post->ID ) ), array( 'ID' => $post->ID ) ); } /** * Fires when a post's status is transitioned from private to published. * * @since 1.5.0 * @deprecated 2.3.0 Use {@see 'private_to_publish'} instead. * * @param int $post_id Post ID. */ do_action_deprecated( 'private_to_published', array( $post->ID ), '2.3.0', 'private_to_publish' ); } // If published posts changed clear the lastpostmodified cache. if ( 'publish' === $new_status || 'publish' === $old_status ) { foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) { wp_cache_delete( "lastpostmodified:$timezone", 'timeinfo' ); wp_cache_delete( "lastpostdate:$timezone", 'timeinfo' ); wp_cache_delete( "lastpostdate:$timezone:{$post->post_type}", 'timeinfo' ); } } if ( $new_status !== $old_status ) { wp_cache_delete( _count_posts_cache_key( $post->post_type ), 'counts' ); wp_cache_delete( _count_posts_cache_key( $post->post_type, 'readable' ), 'counts' ); } // Always clears the hook in case the post status bounced from future to draft. wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) ); } /** * Hook used to schedule publication for a post marked for the future. * * The $post properties used and must exist are 'ID' and 'post_date_gmt'. * * @since 2.3.0 * @access private * * @param int $deprecated Not used. Can be set to null. Never implemented. Not marked * as deprecated with _deprecated_argument() as it conflicts with * wp_transition_post_status() and the default filter for _future_post_hook(). * @param WP_Post $post Post object. */ function _future_post_hook( $deprecated, $post ) { wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) ); wp_schedule_single_event( strtotime( get_gmt_from_date( $post->post_date ) . ' GMT' ), 'publish_future_post', array( $post->ID ) ); } /** * Hook to schedule pings and enclosures when a post is published. * * Uses XMLRPC_REQUEST and WP_IMPORTING constants. * * @since 2.3.0 * @access private * * @param int $post_id The ID of the post being published. */ function _publish_post_hook( $post_id ) { if ( defined( 'XMLRPC_REQUEST' ) ) { /** * Fires when _publish_post_hook() is called during an XML-RPC request. * * @since 2.1.0 * * @param int $post_id Post ID. */ do_action( 'xmlrpc_publish_post', $post_id ); } if ( defined( 'WP_IMPORTING' ) ) { return; } if ( get_option( 'default_pingback_flag' ) ) { add_post_meta( $post_id, '_pingme', '1', true ); } add_post_meta( $post_id, '_encloseme', '1', true ); $to_ping = get_to_ping( $post_id ); if ( ! empty( $to_ping ) ) { add_post_meta( $post_id, '_trackbackme', '1' ); } if ( ! wp_next_scheduled( 'do_pings' ) ) { wp_schedule_single_event( time(), 'do_pings' ); } } /** * Returns the ID of the post's parent. * * @since 3.1.0 * @since 5.9.0 The `$post` parameter was made optional. * * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. * @return int|false Post parent ID (which can be 0 if there is no parent), * or false if the post does not exist. */ function wp_get_post_parent_id( $post = null ) { $post = get_post( $post ); if ( ! $post || is_wp_error( $post ) ) { return false; } return (int) $post->post_parent; } /** * Checks the given subset of the post hierarchy for hierarchy loops. * * Prevents loops from forming and breaks those that it finds. Attached * to the {@see 'wp_insert_post_parent'} filter. * * @since 3.1.0 * * @see wp_find_hierarchy_loop() * * @param int $post_parent ID of the parent for the post we're checking. * @param int $post_id ID of the post we're checking. * @return int The new post_parent for the post, 0 otherwise. */ function wp_check_post_hierarchy_for_loops( $post_parent, $post_id ) { // Nothing fancy here - bail. if ( ! $post_parent ) { return 0; } // New post can't cause a loop. if ( ! $post_id ) { return $post_parent; } // Can't be its own parent. if ( $post_parent == $post_id ) { return 0; } // Now look for larger loops. $loop = wp_find_hierarchy_loop( 'wp_get_post_parent_id', $post_id, $post_parent ); if ( ! $loop ) { return $post_parent; // No loop. } // Setting $post_parent to the given value causes a loop. if ( isset( $loop[ $post_id ] ) ) { return 0; } // There's a loop, but it doesn't contain $post_id. Break the loop. foreach ( array_keys( $loop ) as $loop_member ) { wp_update_post( array( 'ID' => $loop_member, 'post_parent' => 0, ) ); } return $post_parent; } /** * Sets the post thumbnail (featured image) for the given post. * * @since 3.1.0 * * @param int|WP_Post $post Post ID or post object where thumbnail should be attached. * @param int $thumbnail_id Thumbnail to attach. * @return int|bool True on success, false on failure. */ function set_post_thumbnail( $post, $thumbnail_id ) { $post = get_post( $post ); $thumbnail_id = absint( $thumbnail_id ); if ( $post && $thumbnail_id && get_post( $thumbnail_id ) ) { if ( wp_get_attachment_image( $thumbnail_id, 'thumbnail' ) ) { return update_post_meta( $post->ID, '_thumbnail_id', $thumbnail_id ); } else { return delete_post_meta( $post->ID, '_thumbnail_id' ); } } return false; } /** * Removes the thumbnail (featured image) from the given post. * * @since 3.3.0 * * @param int|WP_Post $post Post ID or post object from which the thumbnail should be removed. * @return bool True on success, false on failure. */ function delete_post_thumbnail( $post ) { $post = get_post( $post ); if ( $post ) { return delete_post_meta( $post->ID, '_thumbnail_id' ); } return false; } /** * Deletes auto-drafts for new posts that are > 7 days old. * * @since 3.4.0 * * @global wpdb $wpdb WordPress database abstraction object. */ function wp_delete_auto_drafts() { global $wpdb; // Cleanup old auto-drafts more than 7 days old. $old_posts = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_status = 'auto-draft' AND DATE_SUB( NOW(), INTERVAL 7 DAY ) > post_date" ); foreach ( (array) $old_posts as $delete ) { // Force delete. wp_delete_post( $delete, true ); } } /** * Queues posts for lazy-loading of term meta. * * @since 4.5.0 * * @param WP_Post[] $posts Array of WP_Post objects. */ function wp_queue_posts_for_term_meta_lazyload( $posts ) { $post_type_taxonomies = array(); $prime_post_terms = array(); foreach ( $posts as $post ) { if ( ! ( $post instanceof WP_Post ) ) { continue; } if ( ! isset( $post_type_taxonomies[ $post->post_type ] ) ) { $post_type_taxonomies[ $post->post_type ] = get_object_taxonomies( $post->post_type ); } foreach ( $post_type_taxonomies[ $post->post_type ] as $taxonomy ) { $prime_post_terms[ $taxonomy ][] = $post->ID; } } $term_ids = array(); if ( $prime_post_terms ) { foreach ( $prime_post_terms as $taxonomy => $post_ids ) { $cached_term_ids = wp_cache_get_multiple( $post_ids, "{$taxonomy}_relationships" ); if ( is_array( $cached_term_ids ) ) { $cached_term_ids = array_filter( $cached_term_ids ); foreach ( $cached_term_ids as $_term_ids ) { // Backward compatibility for if a plugin is putting objects into the cache, rather than IDs. foreach ( $_term_ids as $term_id ) { if ( is_numeric( $term_id ) ) { $term_ids[] = (int) $term_id; } elseif ( isset( $term_id->term_id ) ) { $term_ids[] = (int) $term_id->term_id; } } } } } $term_ids = array_unique( $term_ids ); } wp_lazyload_term_meta( $term_ids ); } /** * Updates the custom taxonomies' term counts when a post's status is changed. * * For example, default posts term counts (for custom taxonomies) don't include * private / draft posts. * * @since 3.3.0 * @access private * * @param string $new_status New post status. * @param string $old_status Old post status. * @param WP_Post $post Post object. */ function _update_term_count_on_transition_post_status( $new_status, $old_status, $post ) { // Update counts for the post's terms. foreach ( (array) get_object_taxonomies( $post->post_type ) as $taxonomy ) { $tt_ids = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'tt_ids' ) ); wp_update_term_count( $tt_ids, $taxonomy ); } } /** * Adds any posts from the given IDs to the cache that do not already exist in cache. * * @since 3.4.0 * @since 6.1.0 This function is no longer marked as "private". * * @see update_post_cache() * @see update_postmeta_cache() * @see update_object_term_cache() * * @global wpdb $wpdb WordPress database abstraction object. * * @param int[] $ids ID list. * @param bool $update_term_cache Optional. Whether to update the term cache. Default true. * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. */ function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache = true ) { global $wpdb; $non_cached_ids = _get_non_cached_ids( $ids, 'posts' ); if ( ! empty( $non_cached_ids ) ) { $fresh_posts = $wpdb->get_results( sprintf( "SELECT $wpdb->posts.* FROM $wpdb->posts WHERE ID IN (%s)", implode( ',', $non_cached_ids ) ) ); if ( $fresh_posts ) { // Despite the name, update_post_cache() expects an array rather than a single post. update_post_cache( $fresh_posts ); } } if ( $update_meta_cache ) { update_postmeta_cache( $ids ); } if ( $update_term_cache ) { $post_types = array_map( 'get_post_type', $ids ); $post_types = array_unique( $post_types ); update_object_term_cache( $ids, $post_types ); } } /** * Adds a suffix if any trashed posts have a given slug. * * Store its desired (i.e. current) slug so it can try to reclaim it * if the post is untrashed. * * For internal use. * * @since 4.5.0 * @access private * * @param string $post_name Post slug. * @param int $post_id Optional. Post ID that should be ignored. Default 0. */ function wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_id = 0 ) { $trashed_posts_with_desired_slug = get_posts( array( 'name' => $post_name, 'post_status' => 'trash', 'post_type' => 'any', 'nopaging' => true, 'post__not_in' => array( $post_id ), ) ); if ( ! empty( $trashed_posts_with_desired_slug ) ) { foreach ( $trashed_posts_with_desired_slug as $_post ) { wp_add_trashed_suffix_to_post_name_for_post( $_post ); } } } /** * Adds a trashed suffix for a given post. * * Store its desired (i.e. current) slug so it can try to reclaim it * if the post is untrashed. * * For internal use. * * @since 4.5.0 * @access private * * @global wpdb $wpdb WordPress database abstraction object. * * @param WP_Post $post The post. * @return string New slug for the post. */ function wp_add_trashed_suffix_to_post_name_for_post( $post ) { global $wpdb; $post = get_post( $post ); if ( str_ends_with( $post->post_name, '__trashed' ) ) { return $post->post_name; } add_post_meta( $post->ID, '_wp_desired_post_slug', $post->post_name ); $post_name = _truncate_post_slug( $post->post_name, 191 ) . '__trashed'; $wpdb->update( $wpdb->posts, array( 'post_name' => $post_name ), array( 'ID' => $post->ID ) ); clean_post_cache( $post->ID ); return $post_name; } /** * Sets the last changed time for the 'posts' cache group. * * @since 5.0.0 */ function wp_cache_set_posts_last_changed() { wp_cache_set_last_changed( 'posts' ); } /** * Gets all available post MIME types for a given post type. * * @since 2.5.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $type * @return string[] An array of MIME types. */ function get_available_post_mime_types( $type = 'attachment' ) { global $wpdb; $types = $wpdb->get_col( $wpdb->prepare( "SELECT DISTINCT post_mime_type FROM $wpdb->posts WHERE post_type = %s", $type ) ); return $types; } /** * Retrieves the path to an uploaded image file. * * Similar to `get_attached_file()` however some images may have been processed after uploading * to make them suitable for web use. In this case the attached "full" size file is usually replaced * with a scaled down version of the original image. This function always returns the path * to the originally uploaded image file. * * @since 5.3.0 * @since 5.4.0 Added the `$unfiltered` parameter. * * @param int $attachment_id Attachment ID. * @param bool $unfiltered Optional. Passed through to `get_attached_file()`. Default false. * @return string|false Path to the original image file or false if the attachment is not an image. */ function wp_get_original_image_path( $attachment_id, $unfiltered = false ) { if ( ! wp_attachment_is_image( $attachment_id ) ) { return false; } $image_meta = wp_get_attachment_metadata( $attachment_id ); $image_file = get_attached_file( $attachment_id, $unfiltered ); if ( empty( $image_meta['original_image'] ) ) { $original_image = $image_file; } else { $original_image = path_join( dirname( $image_file ), $image_meta['original_image'] ); } /** * Filters the path to the original image. * * @since 5.3.0 * * @param string $original_image Path to original image file. * @param int $attachment_id Attachment ID. */ return apply_filters( 'wp_get_original_image_path', $original_image, $attachment_id ); } /** * Retrieves the URL to an original attachment image. * * Similar to `wp_get_attachment_url()` however some images may have been * processed after uploading. In this case this function returns the URL * to the originally uploaded image file. * * @since 5.3.0 * * @param int $attachment_id Attachment post ID. * @return string|false Attachment image URL, false on error or if the attachment is not an image. */ function wp_get_original_image_url( $attachment_id ) { if ( ! wp_attachment_is_image( $attachment_id ) ) { return false; } $image_url = wp_get_attachment_url( $attachment_id ); if ( ! $image_url ) { return false; } $image_meta = wp_get_attachment_metadata( $attachment_id ); if ( empty( $image_meta['original_image'] ) ) { $original_image_url = $image_url; } else { $original_image_url = path_join( dirname( $image_url ), $image_meta['original_image'] ); } /** * Filters the URL to the original attachment image. * * @since 5.3.0 * * @param string $original_image_url URL to original image. * @param int $attachment_id Attachment ID. */ return apply_filters( 'wp_get_original_image_url', $original_image_url, $attachment_id ); } /** * Filters callback which sets the status of an untrashed post to its previous status. * * This can be used as a callback on the `wp_untrash_post_status` filter. * * @since 5.6.0 * * @param string $new_status The new status of the post being restored. * @param int $post_id The ID of the post being restored. * @param string $previous_status The status of the post at the point where it was trashed. * @return string The new status of the post. */ function wp_untrash_post_set_previous_status( $new_status, $post_id, $previous_status ) { return $previous_status; } /** * Returns whether the post can be edited in the block editor. * * @since 5.0.0 * @since 6.1.0 Moved to wp-includes from wp-admin. * * @param int|WP_Post $post Post ID or WP_Post object. * @return bool Whether the post can be edited in the block editor. */ function use_block_editor_for_post( $post ) { $post = get_post( $post ); if ( ! $post ) { return false; } // We're in the meta box loader, so don't use the block editor. if ( is_admin() && isset( $_GET['meta-box-loader'] ) ) { check_admin_referer( 'meta-box-loader', 'meta-box-loader-nonce' ); return false; } $use_block_editor = use_block_editor_for_post_type( $post->post_type ); /** * Filters whether a post is able to be edited in the block editor. * * @since 5.0.0 * * @param bool $use_block_editor Whether the post can be edited or not. * @param WP_Post $post The post being checked. */ return apply_filters( 'use_block_editor_for_post', $use_block_editor, $post ); } /** * Returns whether a post type is compatible with the block editor. * * The block editor depends on the REST API, and if the post type is not shown in the * REST API, then it won't work with the block editor. * * @since 5.0.0 * @since 6.1.0 Moved to wp-includes from wp-admin. * * @param string $post_type The post type. * @return bool Whether the post type can be edited with the block editor. */ function use_block_editor_for_post_type( $post_type ) { if ( ! post_type_exists( $post_type ) ) { return false; } if ( ! post_type_supports( $post_type, 'editor' ) ) { return false; } $post_type_object = get_post_type_object( $post_type ); if ( $post_type_object && ! $post_type_object->show_in_rest ) { return false; } /** * Filters whether a post is able to be edited in the block editor. * * @since 5.0.0 * * @param bool $use_block_editor Whether the post type can be edited or not. Default true. * @param string $post_type The post type being checked. */ return apply_filters( 'use_block_editor_for_post_type', true, $post_type ); } /** * Registers any additional post meta fields. * * @since 6.3.0 Adds `wp_pattern_sync_status` meta field to the wp_block post type so an unsynced option can be added. * * @link https://github.com/WordPress/gutenberg/pull/51144 */ function wp_create_initial_post_meta() { register_post_meta( 'wp_block', 'wp_pattern_sync_status', array( 'sanitize_callback' => 'sanitize_text_field', 'single' => true, 'type' => 'string', 'show_in_rest' => array( 'schema' => array( 'type' => 'string', 'enum' => array( 'partial', 'unsynced' ), ), ), ) ); }