. '/' . $theme_file ) ) {
$this->headers['Name'] = $this->stylesheet;
$this->errors = new WP_Error( 'theme_stylesheet_not_readable', __( 'Stylesheet is not readable.' ) );
$this->template = $this->stylesheet;
$this->block_theme = false;
$this->cache_add(
'theme',
array(
'block_theme' => $this->block_theme,
'headers' => $this->headers,
'errors' => $this->errors,
'stylesheet' => $this->stylesheet,
'template' => $this->template,
)
);
return;
} else {
$this->headers = get_file_data( $this->theme_root . '/' . $theme_file, self::$file_headers, 'theme' );
/*
* Default themes always trump their pretenders.
* Properly identify default themes that are inside a directory within wp-content/themes.
*/
$default_theme_slug = array_search( $this->headers['Name'], self::$default_themes, true );
if ( $default_theme_slug ) {
if ( basename( $this->stylesheet ) != $default_theme_slug ) {
$this->headers['Name'] .= '/' . $this->stylesheet;
}
}
}
if ( ! $this->template && $this->stylesheet === $this->headers['Template'] ) {
$this->errors = new WP_Error(
'theme_child_invalid',
sprintf(
/* translators: %s: Template. */
__( 'The theme defines itself as its parent theme. Please check the %s header.' ),
'Template'
)
);
$this->cache_add(
'theme',
array(
'block_theme' => $this->is_block_theme(),
'headers' => $this->headers,
'errors' => $this->errors,
'stylesheet' => $this->stylesheet,
)
);
return;
}
// (If template is set from cache [and there are no errors], we know it's good.)
if ( ! $this->template ) {
$this->template = $this->headers['Template'];
}
if ( ! $this->template ) {
$this->template = $this->stylesheet;
$theme_path = $this->theme_root . '/' . $this->stylesheet;
if ( ! $this->is_block_theme() && ! file_exists( $theme_path . '/index.php' ) ) {
$error_message = sprintf(
/* translators: 1: templates/index.html, 2: index.php, 3: Documentation URL, 4: Template, 5: style.css */
__( 'Template is missing. Standalone themes need to have a %1$s or %2$s template file. Child themes need to have a %4$s header in the %5$s stylesheet.' ),
'templates/index.html',
'index.php',
__( 'https://developer.wordpress.org/themes/advanced-topics/child-themes/' ),
'Template',
'style.css'
);
$this->errors = new WP_Error( 'theme_no_index', $error_message );
$this->cache_add(
'theme',
array(
'block_theme' => $this->block_theme,
'headers' => $this->headers,
'errors' => $this->errors,
'stylesheet' => $this->stylesheet,
'template' => $this->template,
)
);
return;
}
}
// If we got our data from cache, we can assume that 'template' is pointing to the right place.
if ( ! is_array( $cache ) && $this->template != $this->stylesheet && ! file_exists( $this->theme_root . '/' . $this->template . '/index.php' ) ) {
/*
* If we're in a directory of themes inside /themes, look for the parent nearby.
* wp-content/themes/directory-of-themes/*
*/
$parent_dir = dirname( $this->stylesheet );
$directories = search_theme_directories();
if ( '.' !== $parent_dir && file_exists( $this->theme_root . '/' . $parent_dir . '/' . $this->template . '/index.php' ) ) {
$this->template = $parent_dir . '/' . $this->template;
} elseif ( $directories && isset( $directories[ $this->template ] ) ) {
/*
* Look for the template in the search_theme_directories() results, in case it is in another theme root.
* We don't look into directories of themes, just the theme root.
*/
$theme_root_template = $directories[ $this->template ]['theme_root'];
} else {
// Parent theme is missing.
$this->errors = new WP_Error(
'theme_no_parent',
sprintf(
/* translators: %s: Theme directory name. */
__( 'The parent theme is missing. Please install the "%s" parent theme.' ),
esc_html( $this->template )
)
);
$this->cache_add(
'theme',
array(
'block_theme' => $this->is_block_theme(),
'headers' => $this->headers,
'errors' => $this->errors,
'stylesheet' => $this->stylesheet,
'template' => $this->template,
)
);
$this->parent = new WP_Theme( $this->template, $this->theme_root, $this );
return;
}
}
// Set the parent, if we're a child theme.
if ( $this->template != $this->stylesheet ) {
// If we are a parent, then there is a problem. Only two generations allowed! Cancel things out.
if ( $_child instanceof WP_Theme && $_child->template == $this->stylesheet ) {
$_child->parent = null;
$_child->errors = new WP_Error(
'theme_parent_invalid',
sprintf(
/* translators: %s: Theme directory name. */
__( 'The "%s" theme is not a valid parent theme.' ),
esc_html( $_child->template )
)
);
$_child->cache_add(
'theme',
array(
'block_theme' => $_child->is_block_theme(),
'headers' => $_child->headers,
'errors' => $_child->errors,
'stylesheet' => $_child->stylesheet,
'template' => $_child->template,
)
);
// The two themes actually reference each other with the Template header.
if ( $_child->stylesheet == $this->template ) {
$this->errors = new WP_Error(
'theme_parent_invalid',
sprintf(
/* translators: %s: Theme directory name. */
__( 'The "%s" theme is not a valid parent theme.' ),
esc_html( $this->template )
)
);
$this->cache_add(
'theme',
array(
'block_theme' => $this->is_block_theme(),
'headers' => $this->headers,
'errors' => $this->errors,
'stylesheet' => $this->stylesheet,
'template' => $this->template,
)
);
}
return;
}
// Set the parent. Pass the current instance so we can do the crazy checks above and assess errors.
$this->parent = new WP_Theme( $this->template, isset( $theme_root_template ) ? $theme_root_template : $this->theme_root, $this );
}
if ( wp_paused_themes()->get( $this->stylesheet ) && ( ! is_wp_error( $this->errors ) || ! isset( $this->errors->errors['theme_paused'] ) ) ) {
$this->errors = new WP_Error( 'theme_paused', __( 'This theme failed to load properly and was paused within the admin backend.' ) );
}
// We're good. If we didn't retrieve from cache, set it.
if ( ! is_array( $cache ) ) {
$cache = array(
'block_theme' => $this->is_block_theme(),
'headers' => $this->headers,
'errors' => $this->errors,
'stylesheet' => $this->stylesheet,
'template' => $this->template,
);
// If the parent theme is in another root, we'll want to cache this. Avoids an entire branch of filesystem calls above.
if ( isset( $theme_root_template ) ) {
$cache['theme_root_template'] = $theme_root_template;
}
$this->cache_add( 'theme', $cache );
}
}
/**
* When converting the object to a string, the theme name is returned.
*
* @since 3.4.0
*
* @return string Theme name, ready for display (translated)
*/
public function __toString() {
return (string) $this->display( 'Name' );
}
/**
* __isset() magic method for properties formerly returned by current_theme_info()
*
* @since 3.4.0
*
* @param string $offset Property to check if set.
* @return bool Whether the given property is set.
*/
public function __isset( $offset ) {
static $properties = array(
'name',
'title',
'version',
'parent_theme',
'template_dir',
'stylesheet_dir',
'template',
'stylesheet',
'screenshot',
'description',
'author',
'tags',
'theme_root',
'theme_root_uri',
);
return in_array( $offset, $properties, true );
}
/**
* __get() magic method for properties formerly returned by current_theme_info()
*
* @since 3.4.0
*
* @param string $offset Property to get.
* @return mixed Property value.
*/
public function __get( $offset ) {
switch ( $offset ) {
case 'name':
case 'title':
return $this->get( 'Name' );
case 'version':
return $this->get( 'Version' );
case 'parent_theme':
return $this->parent() ? $this->parent()->get( 'Name' ) : '';
case 'template_dir':
return $this->get_template_directory();
case 'stylesheet_dir':
return $this->get_stylesheet_directory();
case 'template':
return $this->get_template();
case 'stylesheet':
return $this->get_stylesheet();
case 'screenshot':
return $this->get_screenshot( 'relative' );
// 'author' and 'description' did not previously return translated data.
case 'description':
return $this->display( 'Description' );
case 'author':
return $this->display( 'Author' );
case 'tags':
return $this->get( 'Tags' );
case 'theme_root':
return $this->get_theme_root();
case 'theme_root_uri':
return $this->get_theme_root_uri();
// For cases where the array was converted to an object.
default:
return $this->offsetGet( $offset );
}
}
/**
* Method to implement ArrayAccess for keys formerly returned by get_themes()
*
* @since 3.4.0
*
* @param mixed $offset
* @param mixed $value
*/
#[ReturnTypeWillChange]
public function offsetSet( $offset, $value ) {}
/**
* Method to implement ArrayAccess for keys formerly returned by get_themes()
*
* @since 3.4.0
*
* @param mixed $offset
*/
#[ReturnTypeWillChange]
public function offsetUnset( $offset ) {}
/**
* Method to implement ArrayAccess for keys formerly returned by get_themes()
*
* @since 3.4.0
*
* @param mixed $offset
* @return bool
*/
#[ReturnTypeWillChange]
public function offsetExists( $offset ) {
static $keys = array(
'Name',
'Version',
'Status',
'Title',
'Author',
'Author Name',
'Author URI',
'Description',
'Template',
'Stylesheet',
'Template Files',
'Stylesheet Files',
'Template Dir',
'Stylesheet Dir',
'Screenshot',
'Tags',
'Theme Root',
'Theme Root URI',
'Parent Theme',
);
return in_array( $offset, $keys, true );
}
/**
* Method to implement ArrayAccess for keys formerly returned by get_themes().
*
* Author, Author Name, Author URI, and Description did not previously return
* translated data. We are doing so now as it is safe to do. However, as
* Name and Title could have been used as the key for get_themes(), both remain
* untranslated for back compatibility. This means that ['Name'] is not ideal,
* and care should be taken to use `$theme::display( 'Name' )` to get a properly
* translated header.
*
* @since 3.4.0
*
* @param mixed $offset
* @return mixed
*/
#[ReturnTypeWillChange]
public function offsetGet( $offset ) {
switch ( $offset ) {
case 'Name':
case 'Title':
/*
* See note above about using translated data. get() is not ideal.
* It is only for backward compatibility. Use display().
*/
return $this->get( 'Name' );
case 'Author':
return $this->display( 'Author' );
case 'Author Name':
return $this->display( 'Author', false );
case 'Author URI':
return $this->display( 'AuthorURI' );
case 'Description':
return $this->display( 'Description' );
case 'Version':
case 'Status':
return $this->get( $offset );
case 'Template':
return $this->get_template();
case 'Stylesheet':
return $this->get_stylesheet();
case 'Template Files':
return $this->get_files( 'php', 1, true );
case 'Stylesheet Files':
return $this->get_files( 'css', 0, false );
case 'Template Dir':
return $this->get_template_directory();
case 'Stylesheet Dir':
return $this->get_stylesheet_directory();
case 'Screenshot':
return $this->get_screenshot( 'relative' );
case 'Tags':
return $this->get( 'Tags' );
case 'Theme Root':
return $this->get_theme_root();
case 'Theme Root URI':
return $this->get_theme_root_uri();
case 'Parent Theme':
return $this->parent() ? $this->parent()->get( 'Name' ) : '';
default:
return null;
}
}
/**
* Returns errors property.
*
* @since 3.4.0
*
* @return WP_Error|false WP_Error if there are errors, or false.
*/
public function errors() {
return is_wp_error( $this->errors ) ? $this->errors : false;
}
/**
* Determines whether the theme exists.
*
* A theme with errors exists. A theme with the error of 'theme_not_found',
* meaning that the theme's directory was not found, does not exist.
*
* @since 3.4.0
*
* @return bool Whether the theme exists.
*/
public function exists() {
return ! ( $this->errors() && in_array( 'theme_not_found', $this->errors()->get_error_codes(), true ) );
}
/**
* Returns reference to the parent theme.
*
* @since 3.4.0
*
* @return WP_Theme|false Parent theme, or false if the active theme is not a child theme.
*/
public function parent() {
return isset( $this->parent ) ? $this->parent : false;
}
/**
* Perform reinitialization tasks.
*
* Prevents a callback from being injected during unserialization of an object.
*
* @return void
*/
public function __wakeup() {
if ( $this->parent && ! $this->parent instanceof self ) {
throw new UnexpectedValueException();
}
if ( $this->headers && ! is_array( $this->headers ) ) {
throw new UnexpectedValueException();
}
foreach ( $this->headers as $value ) {
if ( ! is_string( $value ) ) {
throw new UnexpectedValueException();
}
}
$this->headers_sanitized = array();
}
/**
* Adds theme data to cache.
*
* Cache entries keyed by the theme and the type of data.
*
* @since 3.4.0
*
* @param string $key Type of data to store (theme, screenshot, headers, post_templates)
* @param array|string $data Data to store
* @return bool Return value from wp_cache_add()
*/
private function cache_add( $key, $data ) {
return wp_cache_add( $key . '-' . $this->cache_hash, $data, 'themes', self::$cache_expiration );
}
/**
* Gets theme data from cache.
*
* Cache entries are keyed by the theme and the type of data.
*
* @since 3.4.0
*
* @param string $key Type of data to retrieve (theme, screenshot, headers, post_templates)
* @return mixed Retrieved data
*/
private function cache_get( $key ) {
return wp_cache_get( $key . '-' . $this->cache_hash, 'themes' );
}
/**
* Clears the cache for the theme.
*
* @since 3.4.0
*/
public function cache_delete() {
foreach ( array( 'theme', 'screenshot', 'headers', 'post_templates' ) as $key ) {
wp_cache_delete( $key . '-' . $this->cache_hash, 'themes' );
}
$this->template = null;
$this->textdomain_loaded = null;
$this->theme_root_uri = null;
$this->parent = null;
$this->errors = null;
$this->headers_sanitized = null;
$this->name_translated = null;
$this->block_theme = null;
$this->headers = array();
$this->__construct( $this->stylesheet, $this->theme_root );
}
/**
* Gets a raw, unformatted theme header.
*
* The header is sanitized, but is not translated, and is not marked up for display.
* To get a theme header for display, use the display() method.
*
* Use the get_template() method, not the 'Template' header, for finding the template.
* The 'Template' header is only good for what was written in the style.css, while
* get_template() takes into account where WordPress actually located the theme and
* whether it is actually valid.
*
* @since 3.4.0
*
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
* @return string|array|false String or array (for Tags header) on success, false on failure.
*/
public function get( $header ) {
if ( ! isset( $this->headers[ $header ] ) ) {
return false;
}
if ( ! isset( $this->headers_sanitized ) ) {
$this->headers_sanitized = $this->cache_get( 'headers' );
if ( ! is_array( $this->headers_sanitized ) ) {
$this->headers_sanitized = array();
}
}
if ( isset( $this->headers_sanitized[ $header ] ) ) {
return $this->headers_sanitized[ $header ];
}
// If themes are a persistent group, sanitize everything and cache it. One cache add is better than many cache sets.
if ( self::$persistently_cache ) {
foreach ( array_keys( $this->headers ) as $_header ) {
$this->headers_sanitized[ $_header ] = $this->sanitize_header( $_header, $this->headers[ $_header ] );
}
$this->cache_add( 'headers', $this->headers_sanitized );
} else {
$this->headers_sanitized[ $header ] = $this->sanitize_header( $header, $this->headers[ $header ] );
}
return $this->headers_sanitized[ $header ];
}
/**
* Gets a theme header, formatted and translated for display.
*
* @since 3.4.0
*
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
* @param bool $markup Optional. Whether to mark up the header. Defaults to true.
* @param bool $translate Optional. Whether to translate the header. Defaults to true.
* @return string|array|false Processed header. An array for Tags if `$markup` is false, string otherwise.
* False on failure.
*/
public function display( $header, $markup = true, $translate = true ) {
$value = $this->get( $header );
if ( false === $value ) {
return false;
}
if ( $translate && ( empty( $value ) || ! $this->load_textdomain() ) ) {
$translate = false;
}
if ( $translate ) {
$value = $this->translate_header( $header, $value );
}
if ( $markup ) {
$value = $this->markup_header( $header, $value, $translate );
}
return $value;
}
/**
* Sanitizes a theme header.
*
* @since 3.4.0
* @since 5.4.0 Added support for `Requires at least` and `Requires PHP` headers.
* @since 6.1.0 Added support for `Update URI` header.
*
* @param string $header Theme header. Accepts 'Name', 'Description', 'Author', 'Version',
* 'ThemeURI', 'AuthorURI', 'Status', 'Tags', 'RequiresWP', 'RequiresPHP',
* 'UpdateURI'.
* @param string $value Value to sanitize.
* @return string|array An array for Tags header, string otherwise.
*/
private function sanitize_header( $header, $value ) {
switch ( $header ) {
case 'Status':
if ( ! $value ) {
$value = 'publish';
break;
}
// Fall through otherwise.
case 'Name':
static $header_tags = array(
'abbr' => array( 'title' => true ),
'acronym' => array( 'title' => true ),
'code' => true,
'em' => true,
'strong' => true,
);
$value = wp_kses( $value, $header_tags );
break;
case 'Author':
// There shouldn't be anchor tags in Author, but some themes like to be challenging.
case 'Description':
static $header_tags_with_a = array(
'a' => array(
'href' => true,
'title' => true,
),
'abbr' => array( 'title' => true ),
'acronym' => array( 'title' => true ),
'code' => true,
'em' => true,
'strong' => true,
);
$value = wp_kses( $value, $header_tags_with_a );
break;
case 'ThemeURI':
case 'AuthorURI':
$value = sanitize_url( $value );
break;
case 'Tags':
$value = array_filter( array_map( 'trim', explode( ',', strip_tags( $value ) ) ) );
break;
case 'Version':
case 'RequiresWP':
case 'RequiresPHP':
case 'UpdateURI':
$value = strip_tags( $value );
break;
}
return $value;
}
/**
* Marks up a theme header.
*
* @since 3.4.0
*
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
* @param string|array $value Value to mark up. An array for Tags header, string otherwise.
* @param string $translate Whether the header has been translated.
* @return string Value, marked up.
*/
private function markup_header( $header, $value, $translate ) {
switch ( $header ) {
case 'Name':
if ( empty( $value ) ) {
$value = esc_html( $this->get_stylesheet() );
}
break;
case 'Description':
$value = wptexturize( $value );
break;
case 'Author':
if ( $this->get( 'AuthorURI' ) ) {
$value = sprintf( '%2$s', $this->display( 'AuthorURI', true, $translate ), $value );
} elseif ( ! $value ) {
$value = __( 'Anonymous' );
}
break;
case 'Tags':
static $comma = null;
if ( ! isset( $comma ) ) {
$comma = wp_get_list_item_separator();
}
$value = implode( $comma, $value );
break;
case 'ThemeURI':
case 'AuthorURI':
$value = esc_url( $value );
break;
}
return $value;
}
/**
* Translates a theme header.
*
* @since 3.4.0
*
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
* @param string|array $value Value to translate. An array for Tags header, string otherwise.
* @return string|array Translated value. An array for Tags header, string otherwise.
*/
private function translate_header( $header, $value ) {
switch ( $header ) {
case 'Name':
// Cached for sorting reasons.
if ( isset( $this->name_translated ) ) {
return $this->name_translated;
}
// phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralDomain
$this->name_translated = translate( $value, $this->get( 'TextDomain' ) );
return $this->name_translated;
case 'Tags':
if ( empty( $value ) || ! function_exists( 'get_theme_feature_list' ) ) {
return $value;
}
static $tags_list;
if ( ! isset( $tags_list ) ) {
$tags_list = array(
// As of 4.6, deprecated tags which are only used to provide translation for older themes.
'black' => __( 'Black' ),
'blue' => __( 'Blue' ),
'brown' => __( 'Brown' ),
'gray' => __( 'Gray' ),
'green' => __( 'Green' ),
'orange' => __( 'Orange' ),
'pink' => __( 'Pink' ),
'purple' => __( 'Purple' ),
'red' => __( 'Red' ),
'silver' => __( 'Silver' ),
'tan' => __( 'Tan' ),
'white' => __( 'White' ),
'yellow' => __( 'Yellow' ),
'dark' => _x( 'Dark', 'color scheme' ),
'light' => _x( 'Light', 'color scheme' ),
'fixed-layout' => __( 'Fixed Layout' ),
'fluid-layout' => __( 'Fluid Layout' ),
'responsive-layout' => __( 'Responsive Layout' ),
'blavatar' => __( 'Blavatar' ),
'photoblogging' => __( 'Photoblogging' ),
'seasonal' => __( 'Seasonal' ),
);
$feature_list = get_theme_feature_list( false ); // No API.
foreach ( $feature_list as $tags ) {
$tags_list += $tags;
}
}
foreach ( $value as &$tag ) {
if ( isset( $tags_list[ $tag ] ) ) {
$tag = $tags_list[ $tag ];
} elseif ( isset( self::$tag_map[ $tag ] ) ) {
$tag = $tags_list[ self::$tag_map[ $tag ] ];
}
}
return $value;
default:
// phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralDomain
$value = translate( $value, $this->get( 'TextDomain' ) );
}
return $value;
}
/**
* Returns the directory name of the theme's "stylesheet" files, inside the theme root.
*
* In the case of a child theme, this is directory name of the child theme.
* Otherwise, get_stylesheet() is the same as get_template().
*
* @since 3.4.0
*
* @return string Stylesheet
*/
public function get_stylesheet() {
return $this->stylesheet;
}
/**
* Returns the directory name of the theme's "template" files, inside the theme root.
*
* In the case of a child theme, this is the directory name of the parent theme.
* Otherwise, the get_template() is the same as get_stylesheet().
*
* @since 3.4.0
*
* @return string Template
*/
public function get_template() {
return $this->template;
}
/**
* Returns the absolute path to the directory of a theme's "stylesheet" files.
*
* In the case of a child theme, this is the absolute path to the directory
* of the child theme's files.
*
* @since 3.4.0
*
* @return string Absolute path of the stylesheet directory.
*/
public function get_stylesheet_directory() {
if ( $this->errors() && in_array( 'theme_root_missing', $this->errors()->get_error_codes(), true ) ) {
return '';
}
return $this->theme_root . '/' . $this->stylesheet;
}
/**
* Returns the absolute path to the directory of a theme's "template" files.
*
* In the case of a child theme, this is the absolute path to the directory
* of the parent theme's files.
*
* @since 3.4.0
*
* @return string Absolute path of the template directory.
*/
public function get_template_directory() {
if ( $this->parent() ) {
$theme_root = $this->parent()->theme_root;
} else {
$theme_root = $this->theme_root;
}
return $theme_root . '/' . $this->template;
}
/**
* Returns the URL to the directory of a theme's "stylesheet" files.
*
* In the case of a child theme, this is the URL to the directory of the
* child theme's files.
*
* @since 3.4.0
*
* @return string URL to the stylesheet directory.
*/
public function get_stylesheet_directory_uri() {
return $this->get_theme_root_uri() . '/' . str_replace( '%2F', '/', rawurlencode( $this->stylesheet ) );
}
/**
* Returns the URL to the directory of a theme's "template" files.
*
* In the case of a child theme, this is the URL to the directory of the
* parent theme's files.
*
* @since 3.4.0
*
* @return string URL to the template directory.
*/
public function get_template_directory_uri() {
if ( $this->parent() ) {
$theme_root_uri = $this->parent()->get_theme_root_uri();
} else {
$theme_root_uri = $this->get_theme_root_uri();
}
return $theme_root_uri . '/' . str_replace( '%2F', '/', rawurlencode( $this->template ) );
}
/**
* Returns the absolute path to the directory of the theme root.
*
* This is typically the absolute path to wp-content/themes.
*
* @since 3.4.0
*
* @return string Theme root.
*/
public function get_theme_root() {
return $this->theme_root;
}
/**
* Returns the URL to the directory of the theme root.
*
* This is typically the absolute URL to wp-content/themes. This forms the basis
* for all other URLs returned by WP_Theme, so we pass it to the public function
* get_theme_root_uri() and allow it to run the {@see 'theme_root_uri'} filter.
*
* @since 3.4.0
*
* @return string Theme root URI.
*/
public function get_theme_root_uri() {
if ( ! isset( $this->theme_root_uri ) ) {
$this->theme_root_uri = get_theme_root_uri( $this->stylesheet, $this->theme_root );
}
return $this->theme_root_uri;
}
/**
* Returns the main screenshot file for the theme.
*
* The main screenshot is called screenshot.png. gif and jpg extensions are also allowed.
*
* Screenshots for a theme must be in the stylesheet directory. (In the case of child
* themes, parent theme screenshots are not inherited.)
*
* @since 3.4.0
*
* @param string $uri Type of URL to return, either 'relative' or an absolute URI. Defaults to absolute URI.
* @return string|false Screenshot file. False if the theme does not have a screenshot.
*/
public function get_screenshot( $uri = 'uri' ) {
$screenshot = $this->cache_get( 'screenshot' );
if ( $screenshot ) {
if ( 'relative' === $uri ) {
return $screenshot;
}
return $this->get_stylesheet_directory_uri() . '/' . $screenshot;
} elseif ( 0 === $screenshot ) {
return false;
}
foreach ( array( 'png', 'gif', 'jpg', 'jpeg', 'webp' ) as $ext ) {
if ( file_exists( $this->get_stylesheet_directory() . "/screenshot.$ext" ) ) {
$this->cache_add( 'screenshot', 'screenshot.' . $ext );
if ( 'relative' === $uri ) {
return 'screenshot.' . $ext;
}
return $this->get_stylesheet_directory_uri() . '/' . 'screenshot.' . $ext;
}
}
$this->cache_add( 'screenshot', 0 );
return false;
}
/**
* Returns files in the theme's directory.
*
* @since 3.4.0
*
* @param string[]|string $type Optional. Array of extensions to find, string of a single extension,
* or null for all extensions. Default null.
* @param int $depth Optional. How deep to search for files. Defaults to a flat scan (0 depth).
* -1 depth is infinite.
* @param bool $search_parent Optional. Whether to return parent files. Default false.
* @return string[] Array of files, keyed by the path to the file relative to the theme's directory, with the values
* being absolute paths.
*/
public function get_files( $type = null, $depth = 0, $search_parent = false ) {
$files = (array) self::scandir( $this->get_stylesheet_directory(), $type, $depth );
if ( $search_parent && $this->parent() ) {
$files += (array) self::scandir( $this->get_template_directory(), $type, $depth );
}
return array_filter( $files );
}
/**
* Returns the theme's post templates.
*
* @since 4.7.0
* @since 5.8.0 Include block templates.
*
* @return array[] Array of page template arrays, keyed by post type and filename,
* with the value of the translated header name.
*/
public function get_post_templates() {
// If you screw up your active theme and we invalidate your parent, most things still work. Let it slide.
if ( $this->errors() && $this->errors()->get_error_codes() !== array( 'theme_parent_invalid' ) ) {
return array();
}
$post_templates = $this->cache_get( 'post_templates' );
if ( ! is_array( $post_templates ) ) {
$post_templates = array();
$files = (array) $this->get_files( 'php', 1, true );
foreach ( $files as $file => $full_path ) {
if ( ! preg_match( '|Template Name:(.*)$|mi', file_get_contents( $full_path ), $header ) ) {
continue;
}
$types = array( 'page' );
if ( preg_match( '|Template Post Type:(.*)$|mi', file_get_contents( $full_path ), $type ) ) {
$types = explode( ',', _cleanup_header_comment( $type[1] ) );
}
foreach ( $types as $type ) {
$type = sanitize_key( $type );
if ( ! isset( $post_templates[ $type ] ) ) {
$post_templates[ $type ] = array();
}
$post_templates[ $type ][ $file ] = _cleanup_header_comment( $header[1] );
}
}
$this->cache_add( 'post_templates', $post_templates );
}
if ( current_theme_supports( 'block-templates' ) ) {
$block_templates = get_block_templates( array(), 'wp_template' );
foreach ( get_post_types( array( 'public' => true ) ) as $type ) {
foreach ( $block_templates as $block_template ) {
if ( ! $block_template->is_custom ) {
continue;
}
if ( isset( $block_template->post_types ) && ! in_array( $type, $block_template->post_types, true ) ) {
continue;
}
$post_templates[ $type ][ $block_template->slug ] = $block_template->title;
}
}
}
if ( $this->load_textdomain() ) {
foreach ( $post_templates as &$post_type ) {
foreach ( $post_type as &$post_template ) {
$post_template = $this->translate_header( 'Template Name', $post_template );
}
}
}
return $post_templates;
}
/**
* Returns the theme's post templates for a given post type.
*
* @since 3.4.0
* @since 4.7.0 Added the `$post_type` parameter.
*
* @param WP_Post|null $post Optional. The post being edited, provided for context.
* @param string $post_type Optional. Post type to get the templates for. Default 'page'.
* If a post is provided, its post type is used.
* @return string[] Array of template header names keyed by the template file name.
*/
public function get_page_templates( $post = null, $post_type = 'page' ) {
if ( $post ) {
$post_type = get_post_type( $post );
}
$post_templates = $this->get_post_templates();
$post_templates = isset( $post_templates[ $post_type ] ) ? $post_templates[ $post_type ] : array();
/**
* Filters list of page templates for a theme.
*
* @since 4.9.6
*
* @param string[] $post_templates Array of template header names keyed by the template file name.
* @param WP_Theme $theme The theme object.
* @param WP_Post|null $post The post being edited, provided for context, or null.
* @param string $post_type Post type to get the templates for.
*/
$post_templates = (array) apply_filters( 'theme_templates', $post_templates, $this, $post, $post_type );
/**
* Filters list of page templates for a theme.
*
* The dynamic portion of the hook name, `$post_type`, refers to the post type.
*
* Possible hook names include:
*
* - `theme_post_templates`
* - `theme_page_templates`
* - `theme_attachment_templates`
*
* @since 3.9.0
* @since 4.4.0 Converted to allow complete control over the `$page_templates` array.
* @since 4.7.0 Added the `$post_type` parameter.
*
* @param string[] $post_templates Array of template header names keyed by the template file name.
* @param WP_Theme $theme The theme object.
* @param WP_Post|null $post The post being edited, provided for context, or null.
* @param string $post_type Post type to get the templates for.
*/
$post_templates = (array) apply_filters( "theme_{$post_type}_templates", $post_templates, $this, $post, $post_type );
return $post_templates;
}
/**
* Scans a directory for files of a certain extension.
*
* @since 3.4.0
*
* @param string $path Absolute path to search.
* @param array|string|null $extensions Optional. Array of extensions to find, string of a single extension,
* or null for all extensions. Default null.
* @param int $depth Optional. How many levels deep to search for files. Accepts 0, 1+, or
* -1 (infinite depth). Default 0.
* @param string $relative_path Optional. The basename of the absolute path. Used to control the
* returned path for the found files, particularly when this function
* recurses to lower depths. Default empty.
* @return string[]|false Array of files, keyed by the path to the file relative to the `$path` directory prepended
* with `$relative_path`, with the values being absolute paths. False otherwise.
*/
private static function scandir( $path, $extensions = null, $depth = 0, $relative_path = '' ) {
if ( ! is_dir( $path ) ) {
return false;
}
if ( $extensions ) {
$extensions = (array) $extensions;
$_extensions = implode( '|', $extensions );
}
$relative_path = trailingslashit( $relative_path );
if ( '/' === $relative_path ) {
$relative_path = '';
}
$results = scandir( $path );
$files = array();
/**
* Filters the array of excluded directories and files while scanning theme folder.
*
* @since 4.7.4
*
* @param string[] $exclusions Array of excluded directories and files.
*/
$exclusions = (array) apply_filters( 'theme_scandir_exclusions', array( 'CVS', 'node_modules', 'vendor', 'bower_components' ) );
foreach ( $results as $result ) {
if ( '.' === $result[0] || in_array( $result, $exclusions, true ) ) {
continue;
}
if ( is_dir( $path . '/' . $result ) ) {
if ( ! $depth ) {
continue;
}
$found = self::scandir( $path . '/' . $result, $extensions, $depth - 1, $relative_path . $result );
$files = array_merge_recursive( $files, $found );
} elseif ( ! $extensions || preg_match( '~\.(' . $_extensions . ')$~', $result ) ) {
$files[ $relative_path . $result ] = $path . '/' . $result;
}
}
return $files;
}
/**
* Loads the theme's textdomain.
*
* Translation files are not inherited from the parent theme. TODO: If this fails for the
* child theme, it should probably try to load the parent theme's translations.
*
* @since 3.4.0
*
* @return bool True if the textdomain was successfully loaded or has already been loaded.
* False if no textdomain was specified in the file headers, or if the domain could not be loaded.
*/
public function load_textdomain() {
if ( isset( $this->textdomain_loaded ) ) {
return $this->textdomain_loaded;
}
$textdomain = $this->get( 'TextDomain' );
if ( ! $textdomain ) {
$this->textdomain_loaded = false;
return false;
}
if ( is_textdomain_loaded( $textdomain ) ) {
$this->textdomain_loaded = true;
return true;
}
$path = $this->get_stylesheet_directory();
$domainpath = $this->get( 'DomainPath' );
if ( $domainpath ) {
$path .= $domainpath;
} else {
$path .= '/languages';
}
$this->textdomain_loaded = load_theme_textdomain( $textdomain, $path );
return $this->textdomain_loaded;
}
/**
* Determines whether the theme is allowed (multisite only).
*
* @since 3.4.0
*
* @param string $check Optional. Whether to check only the 'network'-wide settings, the 'site'
* settings, or 'both'. Defaults to 'both'.
* @param int $blog_id Optional. Ignored if only network-wide settings are checked. Defaults to current site.
* @return bool Whether the theme is allowed for the network. Returns true in single-site.
*/
public function is_allowed( $check = 'both', $blog_id = null ) {
if ( ! is_multisite() ) {
return true;
}
if ( 'both' === $check || 'network' === $check ) {
$allowed = self::get_allowed_on_network();
if ( ! empty( $allowed[ $this->get_stylesheet() ] ) ) {
return true;
}
}
if ( 'both' === $check || 'site' === $check ) {
$allowed = self::get_allowed_on_site( $blog_id );
if ( ! empty( $allowed[ $this->get_stylesheet() ] ) ) {
return true;
}
}
return false;
}
/**
* Returns whether this theme is a block-based theme or not.
*
* @since 5.9.0
*
* @return bool
*/
public function is_block_theme() {
if ( isset( $this->block_theme ) ) {
return $this->block_theme;
}
$paths_to_index_block_template = array(
$this->get_file_path( '/templates/index.html' ),
$this->get_file_path( '/block-templates/index.html' ),
);
$this->block_theme = false;
foreach ( $paths_to_index_block_template as $path_to_index_block_template ) {
if ( is_file( $path_to_index_block_template ) && is_readable( $path_to_index_block_template ) ) {
$this->block_theme = true;
break;
}
}
return $this->block_theme;
}
/**
* Retrieves the path of a file in the theme.
*
* Searches in the stylesheet directory before the template directory so themes
* which inherit from a parent theme can just override one file.
*
* @since 5.9.0
*
* @param string $file Optional. File to search for in the stylesheet directory.
* @return string The path of the file.
*/
public function get_file_path( $file = '' ) {
$file = ltrim( $file, '/' );
$stylesheet_directory = $this->get_stylesheet_directory();
$template_directory = $this->get_template_directory();
if ( empty( $file ) ) {
$path = $stylesheet_directory;
} elseif ( file_exists( $stylesheet_directory . '/' . $file ) ) {
$path = $stylesheet_directory . '/' . $file;
} else {
$path = $template_directory . '/' . $file;
}
/** This filter is documented in wp-includes/link-template.php */
return apply_filters( 'theme_file_path', $path, $file );
}
/**
* Determines the latest WordPress default theme that is installed.
*
* This hits the filesystem.
*
* @since 4.4.0
*
* @return WP_Theme|false Object, or false if no theme is installed, which would be bad.
*/
public static function get_core_default_theme() {
foreach ( array_reverse( self::$default_themes ) as $slug => $name ) {
$theme = wp_get_theme( $slug );
if ( $theme->exists() ) {
return $theme;
}
}
return false;
}
/**
* Returns array of stylesheet names of themes allowed on the site or network.
*
* @since 3.4.0
*
* @param int $blog_id Optional. ID of the site. Defaults to the current site.
* @return string[] Array of stylesheet names.
*/
public static function get_allowed( $blog_id = null ) {
/**
* Filters the array of themes allowed on the network.
*
* Site is provided as context so that a list of network allowed themes can
* be filtered further.
*
* @since 4.5.0
*
* @param string[] $allowed_themes An array of theme stylesheet names.
* @param int $blog_id ID of the site.
*/
$network = (array) apply_filters( 'network_allowed_themes', self::get_allowed_on_network(), $blog_id );
return $network + self::get_allowed_on_site( $blog_id );
}
/**
* Returns array of stylesheet names of themes allowed on the network.
*
* @since 3.4.0
*
* @return string[] Array of stylesheet names.
*/
public static function get_allowed_on_network() {
static $allowed_themes;
if ( ! isset( $allowed_themes ) ) {
$allowed_themes = (array) get_site_option( 'allowedthemes' );
}
/**
* Filters the array of themes allowed on the network.
*
* @since MU (3.0.0)
*
* @param string[] $allowed_themes An array of theme stylesheet names.
*/
$allowed_themes = apply_filters( 'allowed_themes', $allowed_themes );
return $allowed_themes;
}
/**
* Returns array of stylesheet names of themes allowed on the site.
*
* @since 3.4.0
*
* @param int $blog_id Optional. ID of the site. Defaults to the current site.
* @return string[] Array of stylesheet names.
*/
public static function get_allowed_on_site( $blog_id = null ) {
static $allowed_themes = array();
if ( ! $blog_id || ! is_multisite() ) {
$blog_id = get_current_blog_id();
}
if ( isset( $allowed_themes[ $blog_id ] ) ) {
/**
* Filters the array of themes allowed on the site.
*
* @since 4.5.0
*
* @param string[] $allowed_themes An array of theme stylesheet names.
* @param int $blog_id ID of the site. Defaults to current site.
*/
return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id );
}
$current = get_current_blog_id() == $blog_id;
if ( $current ) {
$allowed_themes[ $blog_id ] = get_option( 'allowedthemes' );
} else {
switch_to_blog( $blog_id );
$allowed_themes[ $blog_id ] = get_option( 'allowedthemes' );
restore_current_blog();
}
/*
* This is all super old MU back compat joy.
* 'allowedthemes' keys things by stylesheet. 'allowed_themes' keyed things by name.
*/
if ( false === $allowed_themes[ $blog_id ] ) {
if ( $current ) {
$allowed_themes[ $blog_id ] = get_option( 'allowed_themes' );
} else {
switch_to_blog( $blog_id );
$allowed_themes[ $blog_id ] = get_option( 'allowed_themes' );
restore_current_blog();
}
if ( ! is_array( $allowed_themes[ $blog_id ] ) || empty( $allowed_themes[ $blog_id ] ) ) {
$allowed_themes[ $blog_id ] = array();
} else {
$converted = array();
$themes = wp_get_themes();
foreach ( $themes as $stylesheet => $theme_data ) {
if ( isset( $allowed_themes[ $blog_id ][ $theme_data->get( 'Name' ) ] ) ) {
$converted[ $stylesheet ] = true;
}
}
$allowed_themes[ $blog_id ] = $converted;
}
// Set the option so we never have to go through this pain again.
if ( is_admin() && $allowed_themes[ $blog_id ] ) {
if ( $current ) {
update_option( 'allowedthemes', $allowed_themes[ $blog_id ] );
delete_option( 'allowed_themes' );
} else {
switch_to_blog( $blog_id );
update_option( 'allowedthemes', $allowed_themes[ $blog_id ] );
delete_option( 'allowed_themes' );
restore_current_blog();
}
}
}
/** This filter is documented in wp-includes/class-wp-theme.php */
return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id );
}
/**
* Enables a theme for all sites on the current network.
*
* @since 4.6.0
*
* @param string|string[] $stylesheets Stylesheet name or array of stylesheet names.
*/
public static function network_enable_theme( $stylesheets ) {
if ( ! is_multisite() ) {
return;
}
if ( ! is_array( $stylesheets ) ) {
$stylesheets = array( $stylesheets );
}
$allowed_themes = get_site_option( 'allowedthemes' );
foreach ( $stylesheets as $stylesheet ) {
$allowed_themes[ $stylesheet ] = true;
}
update_site_option( 'allowedthemes', $allowed_themes );
}
/**
* Disables a theme for all sites on the current network.
*
* @since 4.6.0
*
* @param string|string[] $stylesheets Stylesheet name or array of stylesheet names.
*/
public static function network_disable_theme( $stylesheets ) {
if ( ! is_multisite() ) {
return;
}
if ( ! is_array( $stylesheets ) ) {
$stylesheets = array( $stylesheets );
}
$allowed_themes = get_site_option( 'allowedthemes' );
foreach ( $stylesheets as $stylesheet ) {
if ( isset( $allowed_themes[ $stylesheet ] ) ) {
unset( $allowed_themes[ $stylesheet ] );
}
}
update_site_option( 'allowedthemes', $allowed_themes );
}
/**
* Sorts themes by name.
*
* @since 3.4.0
*
* @param WP_Theme[] $themes Array of theme objects to sort (passed by reference).
*/
public static function sort_by_name( &$themes ) {
if ( str_starts_with( get_user_locale(), 'en_' ) ) {
uasort( $themes, array( 'WP_Theme', '_name_sort' ) );
} else {
foreach ( $themes as $key => $theme ) {
$theme->translate_header( 'Name', $theme->headers['Name'] );
}
uasort( $themes, array( 'WP_Theme', '_name_sort_i18n' ) );
}
}
/**
* Callback function for usort() to naturally sort themes by name.
*
* Accesses the Name header directly from the class for maximum speed.
* Would choke on HTML but we don't care enough to slow it down with strip_tags().
*
* @since 3.4.0
*
* @param WP_Theme $a First theme.
* @param WP_Theme $b Second theme.
* @return int Negative if `$a` falls lower in the natural order than `$b`. Zero if they fall equally.
* Greater than 0 if `$a` falls higher in the natural order than `$b`. Used with usort().
*/
private static function _name_sort( $a, $b ) {
return strnatcasecmp( $a->headers['Name'], $b->headers['Name'] );
}
/**
* Callback function for usort() to naturally sort themes by translated name.
*
* @since 3.4.0
*
* @param WP_Theme $a First theme.
* @param WP_Theme $b Second theme.
* @return int Negative if `$a` falls lower in the natural order than `$b`. Zero if they fall equally.
* Greater than 0 if `$a` falls higher in the natural order than `$b`. Used with usort().
*/
private static function _name_sort_i18n( $a, $b ) {
return strnatcasecmp( $a->name_translated, $b->name_translated );
}
private static function _check_headers_property_has_correct_type( $headers ) {
if ( ! is_array( $headers ) ) {
return false;
}
foreach ( $headers as $key => $value ) {
if ( ! is_string( $key ) || ! is_string( $value ) ) {
return false;
}
}
return true;
}
}
( ABSPATH . WPINC ) );
}
// Cache $template_path_norm and $stylesheet_path_norm to avoid unnecessary additional calls.
static $template_path_norm = '';
static $stylesheet_path_norm = '';
if ( ! $template_path_norm || ! $stylesheet_path_norm ) {
$template_path_norm = wp_normalize_path( get_template_directory() );
$stylesheet_path_norm = wp_normalize_path( get_stylesheet_directory() );
}
$script_path_norm = wp_normalize_path( realpath( dirname( $metadata['file'] ) . '/' . $script_path ) );
$is_core_block = isset( $metadata['file'] ) && str_starts_with( $metadata['file'], $wpinc_path_norm );
/*
* Determine if the block script was registered in a theme, by checking if the script path starts with either
* the parent (template) or child (stylesheet) directory path.
*/
$is_parent_theme_block = str_starts_with( $script_path_norm, trailingslashit( $template_path_norm ) );
$is_child_theme_block = str_starts_with( $script_path_norm, trailingslashit( $stylesheet_path_norm ) );
$is_theme_block = ( $is_parent_theme_block || $is_child_theme_block );
$script_uri = plugins_url( $script_path, $metadata['file'] );
if ( $is_core_block ) {
$script_uri = includes_url( str_replace( $wpinc_path_norm, '', $script_path_norm ) );
} elseif ( $is_theme_block ) {
// Get the script path deterministically based on whether or not it was registered in a parent or child theme.
$script_uri = $is_parent_theme_block
? get_theme_file_uri( str_replace( $template_path_norm, '', $script_path_norm ) )
: get_theme_file_uri( str_replace( $stylesheet_path_norm, '', $script_path_norm ) );
}
$script_asset = require $script_asset_path;
$script_dependencies = isset( $script_asset['dependencies'] ) ? $script_asset['dependencies'] : array();
$result = wp_register_script(
$script_handle,
$script_uri,
$script_dependencies,
isset( $script_asset['version'] ) ? $script_asset['version'] : false
);
if ( ! $result ) {
return false;
}
if ( ! empty( $metadata['textdomain'] ) && in_array( 'wp-i18n', $script_dependencies, true ) ) {
wp_set_script_translations( $script_handle, $metadata['textdomain'] );
}
return $script_handle;
}
/**
* Finds a style handle for the block metadata field. It detects when a path
* to file was provided and registers the style under automatically
* generated handle name. It returns unprocessed style handle otherwise.
*
* @since 5.5.0
* @since 6.1.0 Added `$index` parameter.
*
* @param array $metadata Block metadata.
* @param string $field_name Field name to pick from metadata.
* @param int $index Optional. Index of the style to register when multiple items passed.
* Default 0.
* @return string|false Style handle provided directly or created through
* style's registration, or false on failure.
*/
function register_block_style_handle( $metadata, $field_name, $index = 0 ) {
if ( empty( $metadata[ $field_name ] ) ) {
return false;
}
$style_handle = $metadata[ $field_name ];
if ( is_array( $style_handle ) ) {
if ( empty( $style_handle[ $index ] ) ) {
return false;
}
$style_handle = $style_handle[ $index ];
}
$style_handle_name = generate_block_asset_handle( $metadata['name'], $field_name, $index );
// If the style handle is already registered, skip re-registering.
if ( wp_style_is( $style_handle_name, 'registered' ) ) {
return $style_handle_name;
}
static $wpinc_path_norm = '';
if ( ! $wpinc_path_norm ) {
$wpinc_path_norm = wp_normalize_path( realpath( ABSPATH . WPINC ) );
}
$is_core_block = isset( $metadata['file'] ) && str_starts_with( $metadata['file'], $wpinc_path_norm );
// Skip registering individual styles for each core block when a bundled version provided.
if ( $is_core_block && ! wp_should_load_separate_core_block_assets() ) {
return false;
}
$style_path = remove_block_asset_path_prefix( $style_handle );
$is_style_handle = $style_handle === $style_path;
// Allow only passing style handles for core blocks.
if ( $is_core_block && ! $is_style_handle ) {
return false;
}
// Return the style handle unless it's the first item for every core block that requires special treatment.
if ( $is_style_handle && ! ( $is_core_block && 0 === $index ) ) {
return $style_handle;
}
// Check whether styles should have a ".min" suffix or not.
$suffix = SCRIPT_DEBUG ? '' : '.min';
if ( $is_core_block ) {
$style_path = ( 'editorStyle' === $field_name ) ? "editor{$suffix}.css" : "style{$suffix}.css";
}
$style_path_norm = wp_normalize_path( realpath( dirname( $metadata['file'] ) . '/' . $style_path ) );
$has_style_file = '' !== $style_path_norm;
if ( $has_style_file ) {
$style_uri = plugins_url( $style_path, $metadata['file'] );
// Cache $template_path_norm and $stylesheet_path_norm to avoid unnecessary additional calls.
static $template_path_norm = '';
static $stylesheet_path_norm = '';
if ( ! $template_path_norm || ! $stylesheet_path_norm ) {
$template_path_norm = wp_normalize_path( get_template_directory() );
$stylesheet_path_norm = wp_normalize_path( get_stylesheet_directory() );
}
// Determine if the block style was registered in a theme, by checking if the script path starts with either
// the parent (template) or child (stylesheet) directory path.
$is_parent_theme_block = str_starts_with( $style_path_norm, trailingslashit( $template_path_norm ) );
$is_child_theme_block = str_starts_with( $style_path_norm, trailingslashit( $stylesheet_path_norm ) );
$is_theme_block = ( $is_parent_theme_block || $is_child_theme_block );
if ( $is_core_block ) {
// All possible $style_path variants for core blocks are hard-coded above.
$style_uri = includes_url( 'blocks/' . str_replace( 'core/', '', $metadata['name'] ) . '/' . $style_path );
} elseif ( $is_theme_block ) {
// Get the script path deterministically based on whether or not it was registered in a parent or child theme.
$style_uri = $is_parent_theme_block
? get_theme_file_uri( str_replace( $template_path_norm, '', $style_path_norm ) )
: get_theme_file_uri( str_replace( $stylesheet_path_norm, '', $style_path_norm ) );
}
} else {
$style_uri = false;
}
$version = ! $is_core_block && isset( $metadata['version'] ) ? $metadata['version'] : false;
$result = wp_register_style(
$style_handle_name,
$style_uri,
array(),
$version
);
if ( ! $result ) {
return false;
}
if ( $has_style_file ) {
wp_style_add_data( $style_handle_name, 'path', $style_path_norm );
if ( $is_core_block ) {
$rtl_file = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $style_path_norm );
} else {
$rtl_file = str_replace( '.css', '-rtl.css', $style_path_norm );
}
if ( is_rtl() && file_exists( $rtl_file ) ) {
wp_style_add_data( $style_handle_name, 'rtl', 'replace' );
wp_style_add_data( $style_handle_name, 'suffix', $suffix );
wp_style_add_data( $style_handle_name, 'path', $rtl_file );
}
}
return $style_handle_name;
}
/**
* Gets i18n schema for block's metadata read from `block.json` file.
*
* @since 5.9.0
*
* @return object The schema for block's metadata.
*/
function get_block_metadata_i18n_schema() {
static $i18n_block_schema;
if ( ! isset( $i18n_block_schema ) ) {
$i18n_block_schema = wp_json_file_decode( __DIR__ . '/block-i18n.json' );
}
return $i18n_block_schema;
}
/**
* Registers a block type from the metadata stored in the `block.json` file.
*
* @since 5.5.0
* @since 5.7.0 Added support for `textdomain` field and i18n handling for all translatable fields.
* @since 5.9.0 Added support for `variations` and `viewScript` fields.
* @since 6.1.0 Added support for `render` field.
* @since 6.3.0 Added `selectors` field.
*
* @param string $file_or_folder Path to the JSON file with metadata definition for
* the block or path to the folder where the `block.json` file is located.
* If providing the path to a JSON file, the filename must end with `block.json`.
* @param array $args Optional. Array of block type arguments. Accepts any public property
* of `WP_Block_Type`. See WP_Block_Type::__construct() for information
* on accepted arguments. Default empty array.
* @return WP_Block_Type|false The registered block type on success, or false on failure.
*/
function register_block_type_from_metadata( $file_or_folder, $args = array() ) {
/*
* Get an array of metadata from a PHP file.
* This improves performance for core blocks as it's only necessary to read a single PHP file
* instead of reading a JSON file per-block, and then decoding from JSON to PHP.
* Using a static variable ensures that the metadata is only read once per request.
*/
static $core_blocks_meta;
if ( ! $core_blocks_meta ) {
$core_blocks_meta = require ABSPATH . WPINC . '/blocks/blocks-json.php';
}
$metadata_file = ( ! str_ends_with( $file_or_folder, 'block.json' ) ) ?
trailingslashit( $file_or_folder ) . 'block.json' :
$file_or_folder;
$is_core_block = str_starts_with( $file_or_folder, ABSPATH . WPINC );
if ( ! $is_core_block && ! file_exists( $metadata_file ) ) {
return false;
}
// Try to get metadata from the static cache for core blocks.
$metadata = false;
if ( $is_core_block ) {
$core_block_name = str_replace( ABSPATH . WPINC . '/blocks/', '', $file_or_folder );
if ( ! empty( $core_blocks_meta[ $core_block_name ] ) ) {
$metadata = $core_blocks_meta[ $core_block_name ];
}
}
// If metadata is not found in the static cache, read it from the file.
if ( ! $metadata ) {
$metadata = wp_json_file_decode( $metadata_file, array( 'associative' => true ) );
}
if ( ! is_array( $metadata ) || empty( $metadata['name'] ) ) {
return false;
}
$metadata['file'] = wp_normalize_path( realpath( $metadata_file ) );
/**
* Filters the metadata provided for registering a block type.
*
* @since 5.7.0
*
* @param array $metadata Metadata for registering a block type.
*/
$metadata = apply_filters( 'block_type_metadata', $metadata );
// Add `style` and `editor_style` for core blocks if missing.
if ( ! empty( $metadata['name'] ) && str_starts_with( $metadata['name'], 'core/' ) ) {
$block_name = str_replace( 'core/', '', $metadata['name'] );
if ( ! isset( $metadata['style'] ) ) {
$metadata['style'] = "wp-block-$block_name";
}
if ( current_theme_supports( 'wp-block-styles' ) && wp_should_load_separate_core_block_assets() ) {
$metadata['style'] = (array) $metadata['style'];
$metadata['style'][] = "wp-block-{$block_name}-theme";
}
if ( ! isset( $metadata['editorStyle'] ) ) {
$metadata['editorStyle'] = "wp-block-{$block_name}-editor";
}
}
$settings = array();
$property_mappings = array(
'apiVersion' => 'api_version',
'title' => 'title',
'category' => 'category',
'parent' => 'parent',
'ancestor' => 'ancestor',
'icon' => 'icon',
'description' => 'description',
'keywords' => 'keywords',
'attributes' => 'attributes',
'providesContext' => 'provides_context',
'usesContext' => 'uses_context',
'selectors' => 'selectors',
'supports' => 'supports',
'styles' => 'styles',
'variations' => 'variations',
'example' => 'example',
);
$textdomain = ! empty( $metadata['textdomain'] ) ? $metadata['textdomain'] : null;
$i18n_schema = get_block_metadata_i18n_schema();
foreach ( $property_mappings as $key => $mapped_key ) {
if ( isset( $metadata[ $key ] ) ) {
$settings[ $mapped_key ] = $metadata[ $key ];
if ( $textdomain && isset( $i18n_schema->$key ) ) {
$settings[ $mapped_key ] = translate_settings_using_i18n_schema( $i18n_schema->$key, $settings[ $key ], $textdomain );
}
}
}
$script_fields = array(
'editorScript' => 'editor_script_handles',
'script' => 'script_handles',
'viewScript' => 'view_script_handles',
);
foreach ( $script_fields as $metadata_field_name => $settings_field_name ) {
if ( ! empty( $metadata[ $metadata_field_name ] ) ) {
$scripts = $metadata[ $metadata_field_name ];
$processed_scripts = array();
if ( is_array( $scripts ) ) {
for ( $index = 0; $index < count( $scripts ); $index++ ) {
$result = register_block_script_handle(
$metadata,
$metadata_field_name,
$index
);
if ( $result ) {
$processed_scripts[] = $result;
}
}
} else {
$result = register_block_script_handle(
$metadata,
$metadata_field_name
);
if ( $result ) {
$processed_scripts[] = $result;
}
}
$settings[ $settings_field_name ] = $processed_scripts;
}
}
$style_fields = array(
'editorStyle' => 'editor_style_handles',
'style' => 'style_handles',
);
foreach ( $style_fields as $metadata_field_name => $settings_field_name ) {
if ( ! empty( $metadata[ $metadata_field_name ] ) ) {
$styles = $metadata[ $metadata_field_name ];
$processed_styles = array();
if ( is_array( $styles ) ) {
for ( $index = 0; $index < count( $styles ); $index++ ) {
$result = register_block_style_handle(
$metadata,
$metadata_field_name,
$index
);
if ( $result ) {
$processed_styles[] = $result;
}
}
} else {
$result = register_block_style_handle(
$metadata,
$metadata_field_name
);
if ( $result ) {
$processed_styles[] = $result;
}
}
$settings[ $settings_field_name ] = $processed_styles;
}
}
if ( ! empty( $metadata['render'] ) ) {
$template_path = wp_normalize_path(
realpath(
dirname( $metadata['file'] ) . '/' .
remove_block_asset_path_prefix( $metadata['render'] )
)
);
if ( $template_path ) {
/**
* Renders the block on the server.
*
* @since 6.1.0
*
* @param array $attributes Block attributes.
* @param string $content Block default content.
* @param WP_Block $block Block instance.
*
* @return string Returns the block content.
*/
$settings['render_callback'] = static function( $attributes, $content, $block ) use ( $template_path ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
ob_start();
require $template_path;
return ob_get_clean();
};
}
}
/**
* Filters the settings determined from the block type metadata.
*
* @since 5.7.0
*
* @param array $settings Array of determined settings for registering a block type.
* @param array $metadata Metadata provided for registering a block type.
*/
$settings = apply_filters(
'block_type_metadata_settings',
array_merge(
$settings,
$args
),
$metadata
);
return WP_Block_Type_Registry::get_instance()->register(
$metadata['name'],
$settings
);
}
/**
* Registers a block type. The recommended way is to register a block type using
* the metadata stored in the `block.json` file.
*
* @since 5.0.0
* @since 5.8.0 First parameter now accepts a path to the `block.json` file.
*
* @param string|WP_Block_Type $block_type Block type name including namespace, or alternatively
* a path to the JSON file with metadata definition for the block,
* or a path to the folder where the `block.json` file is located,
* or a complete WP_Block_Type instance.
* In case a WP_Block_Type is provided, the $args parameter will be ignored.
* @param array $args Optional. Array of block type arguments. Accepts any public property
* of `WP_Block_Type`. See WP_Block_Type::__construct() for information
* on accepted arguments. Default empty array.
*
* @return WP_Block_Type|false The registered block type on success, or false on failure.
*/
function register_block_type( $block_type, $args = array() ) {
if ( is_string( $block_type ) && file_exists( $block_type ) ) {
return register_block_type_from_metadata( $block_type, $args );
}
return WP_Block_Type_Registry::get_instance()->register( $block_type, $args );
}
/**
* Unregisters a block type.
*
* @since 5.0.0
*
* @param string|WP_Block_Type $name Block type name including namespace, or alternatively
* a complete WP_Block_Type instance.
* @return WP_Block_Type|false The unregistered block type on success, or false on failure.
*/
function unregister_block_type( $name ) {
return WP_Block_Type_Registry::get_instance()->unregister( $name );
}
/**
* Determines whether a post or content string has blocks.
*
* This test optimizes for performance rather than strict accuracy, detecting
* the pattern of a block but not validating its structure. For strict accuracy,
* you should use the block parser on post content.
*
* @since 5.0.0
*
* @see parse_blocks()
*
* @param int|string|WP_Post|null $post Optional. Post content, post ID, or post object.
* Defaults to global $post.
* @return bool Whether the post has blocks.
*/
function has_blocks( $post = null ) {
if ( ! is_string( $post ) ) {
$wp_post = get_post( $post );
if ( ! $wp_post instanceof WP_Post ) {
return false;
}
$post = $wp_post->post_content;
}
return str_contains( (string) $post, '', $serialized_block_name, $serialized_attributes );
}
return sprintf(
'%s',
$serialized_block_name,
$serialized_attributes,
$block_content,
$serialized_block_name
);
}
/**
* Returns the content of a block, including comment delimiters, serializing all
* attributes from the given parsed block.
*
* This should be used when preparing a block to be saved to post content.
* Prefer `render_block` when preparing a block for display. Unlike
* `render_block`, this does not evaluate a block's `render_callback`, and will
* instead preserve the markup as parsed.
*
* @since 5.3.1
*
* @param array $block A representative array of a single parsed block object. See WP_Block_Parser_Block.
* @return string String of rendered HTML.
*/
function serialize_block( $block ) {
$block_content = '';
$index = 0;
foreach ( $block['innerContent'] as $chunk ) {
$block_content .= is_string( $chunk ) ? $chunk : serialize_block( $block['innerBlocks'][ $index++ ] );
}
if ( ! is_array( $block['attrs'] ) ) {
$block['attrs'] = array();
}
return get_comment_delimited_block_content(
$block['blockName'],
$block['attrs'],
$block_content
);
}
/**
* Returns a joined string of the aggregate serialization of the given
* parsed blocks.
*
* @since 5.3.1
*
* @param array[] $blocks An array of representative arrays of parsed block objects. See serialize_block().
* @return string String of rendered HTML.
*/
function serialize_blocks( $blocks ) {
return implode( '', array_map( 'serialize_block', $blocks ) );
}
/**
* Filters and sanitizes block content to remove non-allowable HTML
* from parsed block attribute values.
*
* @since 5.3.1
*
* @param string $text Text that may contain block content.
* @param array[]|string $allowed_html Optional. An array of allowed HTML elements and attributes,
* or a context name such as 'post'. See wp_kses_allowed_html()
* for the list of accepted context names. Default 'post'.
* @param string[] $allowed_protocols Optional. Array of allowed URL protocols.
* Defaults to the result of wp_allowed_protocols().
* @return string The filtered and sanitized content result.
*/
function filter_block_content( $text, $allowed_html = 'post', $allowed_protocols = array() ) {
$result = '';
if ( str_contains( $text, '' ) ) {
$text = preg_replace_callback( '%%', '_filter_block_content_callback', $text );
}
$blocks = parse_blocks( $text );
foreach ( $blocks as $block ) {
$block = filter_block_kses( $block, $allowed_html, $allowed_protocols );
$result .= serialize_block( $block );
}
return $result;
}
/**
* Callback used for regular expression replacement in filter_block_content().
*
* @private
* @since 6.2.1
*
* @param array $matches Array of preg_replace_callback matches.
* @return string Replacement string.
*/
function _filter_block_content_callback( $matches ) {
return '';
}
/**
* Filters and sanitizes a parsed block to remove non-allowable HTML
* from block attribute values.
*
* @since 5.3.1
*
* @param WP_Block_Parser_Block $block The parsed block object.
* @param array[]|string $allowed_html An array of allowed HTML elements and attributes,
* or a context name such as 'post'. See wp_kses_allowed_html()
* for the list of accepted context names.
* @param string[] $allowed_protocols Optional. Array of allowed URL protocols.
* Defaults to the result of wp_allowed_protocols().
* @return array The filtered and sanitized block object result.
*/
function filter_block_kses( $block, $allowed_html, $allowed_protocols = array() ) {
$block['attrs'] = filter_block_kses_value( $block['attrs'], $allowed_html, $allowed_protocols );
if ( is_array( $block['innerBlocks'] ) ) {
foreach ( $block['innerBlocks'] as $i => $inner_block ) {
$block['innerBlocks'][ $i ] = filter_block_kses( $inner_block, $allowed_html, $allowed_protocols );
}
}
return $block;
}
/**
* Filters and sanitizes a parsed block attribute value to remove
* non-allowable HTML.
*
* @since 5.3.1
*
* @param string[]|string $value The attribute value to filter.
* @param array[]|string $allowed_html An array of allowed HTML elements and attributes,
* or a context name such as 'post'. See wp_kses_allowed_html()
* for the list of accepted context names.
* @param string[] $allowed_protocols Optional. Array of allowed URL protocols.
* Defaults to the result of wp_allowed_protocols().
* @return string[]|string The filtered and sanitized result.
*/
function filter_block_kses_value( $value, $allowed_html, $allowed_protocols = array() ) {
if ( is_array( $value ) ) {
foreach ( $value as $key => $inner_value ) {
$filtered_key = filter_block_kses_value( $key, $allowed_html, $allowed_protocols );
$filtered_value = filter_block_kses_value( $inner_value, $allowed_html, $allowed_protocols );
if ( $filtered_key !== $key ) {
unset( $value[ $key ] );
}
$value[ $filtered_key ] = $filtered_value;
}
} elseif ( is_string( $value ) ) {
return wp_kses( $value, $allowed_html, $allowed_protocols );
}
return $value;
}
/**
* Parses blocks out of a content string, and renders those appropriate for the excerpt.
*
* As the excerpt should be a small string of text relevant to the full post content,
* this function renders the blocks that are most likely to contain such text.
*
* @since 5.0.0
*
* @param string $content The content to parse.
* @return string The parsed and filtered content.
*/
function excerpt_remove_blocks( $content ) {
$allowed_inner_blocks = array(
// Classic blocks have their blockName set to null.
null,
'core/freeform',
'core/heading',
'core/html',
'core/list',
'core/media-text',
'core/paragraph',
'core/preformatted',
'core/pullquote',
'core/quote',
'core/table',
'core/verse',
);
$allowed_wrapper_blocks = array(
'core/columns',
'core/column',
'core/group',
);
/**
* Filters the list of blocks that can be used as wrapper blocks, allowing
* excerpts to be generated from the `innerBlocks` of these wrappers.
*
* @since 5.8.0
*
* @param string[] $allowed_wrapper_blocks The list of names of allowed wrapper blocks.
*/
$allowed_wrapper_blocks = apply_filters( 'excerpt_allowed_wrapper_blocks', $allowed_wrapper_blocks );
$allowed_blocks = array_merge( $allowed_inner_blocks, $allowed_wrapper_blocks );
/**
* Filters the list of blocks that can contribute to the excerpt.
*
* If a dynamic block is added to this list, it must not generate another
* excerpt, as this will cause an infinite loop to occur.
*
* @since 5.0.0
*
* @param string[] $allowed_blocks The list of names of allowed blocks.
*/
$allowed_blocks = apply_filters( 'excerpt_allowed_blocks', $allowed_blocks );
$blocks = parse_blocks( $content );
$output = '';
foreach ( $blocks as $block ) {
if ( in_array( $block['blockName'], $allowed_blocks, true ) ) {
if ( ! empty( $block['innerBlocks'] ) ) {
if ( in_array( $block['blockName'], $allowed_wrapper_blocks, true ) ) {
$output .= _excerpt_render_inner_blocks( $block, $allowed_blocks );
continue;
}
// Skip the block if it has disallowed or nested inner blocks.
foreach ( $block['innerBlocks'] as $inner_block ) {
if (
! in_array( $inner_block['blockName'], $allowed_inner_blocks, true ) ||
! empty( $inner_block['innerBlocks'] )
) {
continue 2;
}
}
}
$output .= render_block( $block );
}
}
return $output;
}
/**
* Parses footnotes markup out of a content string,
* and renders those appropriate for the excerpt.
*
* @since 6.3.0
*
* @param string $content The content to parse.
* @return string The parsed and filtered content.
*/
function excerpt_remove_footnotes( $content ) {
if ( ! str_contains( $content, 'data-fn=' ) ) {
return $content;
}
return preg_replace(
'_\s*\d+\s*_',
'',
$content
);
}
/**
* Renders inner blocks from the allowed wrapper blocks
* for generating an excerpt.
*
* @since 5.8.0
* @access private
*
* @param array $parsed_block The parsed block.
* @param array $allowed_blocks The list of allowed inner blocks.
* @return string The rendered inner blocks.
*/
function _excerpt_render_inner_blocks( $parsed_block, $allowed_blocks ) {
$output = '';
foreach ( $parsed_block['innerBlocks'] as $inner_block ) {
if ( ! in_array( $inner_block['blockName'], $allowed_blocks, true ) ) {
continue;
}
if ( empty( $inner_block['innerBlocks'] ) ) {
$output .= render_block( $inner_block );
} else {
$output .= _excerpt_render_inner_blocks( $inner_block, $allowed_blocks );
}
}
return $output;
}
/**
* Renders a single block into a HTML string.
*
* @since 5.0.0
*
* @global WP_Post $post The post to edit.
*
* @param array $parsed_block A single parsed block object.
* @return string String of rendered HTML.
*/
function render_block( $parsed_block ) {
global $post;
$parent_block = null;
/**
* Allows render_block() to be short-circuited, by returning a non-null value.
*
* @since 5.1.0
* @since 5.9.0 The `$parent_block` parameter was added.
*
* @param string|null $pre_render The pre-rendered content. Default null.
* @param array $parsed_block The block being rendered.
* @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block.
*/
$pre_render = apply_filters( 'pre_render_block', null, $parsed_block, $parent_block );
if ( ! is_null( $pre_render ) ) {
return $pre_render;
}
$source_block = $parsed_block;
/**
* Filters the block being rendered in render_block(), before it's processed.
*
* @since 5.1.0
* @since 5.9.0 The `$parent_block` parameter was added.
*
* @param array $parsed_block The block being rendered.
* @param array $source_block An un-modified copy of $parsed_block, as it appeared in the source content.
* @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block.
*/
$parsed_block = apply_filters( 'render_block_data', $parsed_block, $source_block, $parent_block );
$context = array();
if ( $post instanceof WP_Post ) {
$context['postId'] = $post->ID;
/*
* The `postType` context is largely unnecessary server-side, since the ID
* is usually sufficient on its own. That being said, since a block's
* manifest is expected to be shared between the server and the client,
* it should be included to consistently fulfill the expectation.
*/
$context['postType'] = $post->post_type;
}
/**
* Filters the default context provided to a rendered block.
*
* @since 5.5.0
* @since 5.9.0 The `$parent_block` parameter was added.
*
* @param array $context Default context.
* @param array $parsed_block Block being rendered, filtered by `render_block_data`.
* @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block.
*/
$context = apply_filters( 'render_block_context', $context, $parsed_block, $parent_block );
$block = new WP_Block( $parsed_block, $context );
return $block->render();
}
/**
* Parses blocks out of a content string.
*
* @since 5.0.0
*
* @param string $content Post content.
* @return array[] Array of parsed block objects.
*/
function parse_blocks( $content ) {
/**
* Filter to allow plugins to replace the server-side block parser.
*
* @since 5.0.0
*
* @param string $parser_class Name of block parser class.
*/
$parser_class = apply_filters( 'block_parser_class', 'WP_Block_Parser' );
$parser = new $parser_class();
return $parser->parse( $content );
}
/**
* Parses dynamic blocks out of `post_content` and re-renders them.
*
* @since 5.0.0
*
* @param string $content Post content.
* @return string Updated post content.
*/
function do_blocks( $content ) {
$blocks = parse_blocks( $content );
$output = '';
foreach ( $blocks as $block ) {
$output .= render_block( $block );
}
// If there are blocks in this content, we shouldn't run wpautop() on it later.
$priority = has_filter( 'the_content', 'wpautop' );
if ( false !== $priority && doing_filter( 'the_content' ) && has_blocks( $content ) ) {
remove_filter( 'the_content', 'wpautop', $priority );
add_filter( 'the_content', '_restore_wpautop_hook', $priority + 1 );
}
return $output;
}
/**
* If do_blocks() needs to remove wpautop() from the `the_content` filter, this re-adds it afterwards,
* for subsequent `the_content` usage.
*
* @since 5.0.0
* @access private
*
* @param string $content The post content running through this filter.
* @return string The unmodified content.
*/
function _restore_wpautop_hook( $content ) {
$current_priority = has_filter( 'the_content', '_restore_wpautop_hook' );
add_filter( 'the_content', 'wpautop', $current_priority - 1 );
remove_filter( 'the_content', '_restore_wpautop_hook', $current_priority );
return $content;
}
/**
* Returns the current version of the block format that the content string is using.
*
* If the string doesn't contain blocks, it returns 0.
*
* @since 5.0.0
*
* @param string $content Content to test.
* @return int The block format version is 1 if the content contains one or more blocks, 0 otherwise.
*/
function block_version( $content ) {
return has_blocks( $content ) ? 1 : 0;
}
/**
* Registers a new block style.
*
* @since 5.3.0
*
* @link https://developer.wordpress.org/block-editor/reference-guides/block-api/block-styles/
*
* @param string $block_name Block type name including namespace.
* @param array $style_properties Array containing the properties of the style name, label,
* style_handle (name of the stylesheet to be enqueued),
* inline_style (string containing the CSS to be added).
* @return bool True if the block style was registered with success and false otherwise.
*/
function register_block_style( $block_name, $style_properties ) {
return WP_Block_Styles_Registry::get_instance()->register( $block_name, $style_properties );
}
/**
* Unregisters a block style.
*
* @since 5.3.0
*
* @param string $block_name Block type name including namespace.
* @param string $block_style_name Block style name.
* @return bool True if the block style was unregistered with success and false otherwise.
*/
function unregister_block_style( $block_name, $block_style_name ) {
return WP_Block_Styles_Registry::get_instance()->unregister( $block_name, $block_style_name );
}
/**
* Checks whether the current block type supports the feature requested.
*
* @since 5.8.0
*
* @param WP_Block_Type $block_type Block type to check for support.
* @param array $feature Path to a specific feature to check support for.
* @param mixed $default_value Optional. Fallback value for feature support. Default false.
* @return bool Whether the feature is supported.
*/
function block_has_support( $block_type, $feature, $default_value = false ) {
$block_support = $default_value;
if ( $block_type && property_exists( $block_type, 'supports' ) ) {
$block_support = _wp_array_get( $block_type->supports, $feature, $default_value );
}
return true === $block_support || is_array( $block_support );
}
/**
* Converts typography keys declared under `supports.*` to `supports.typography.*`.
*
* Displays a `_doing_it_wrong()` notice when a block using the older format is detected.
*
* @since 5.8.0
*
* @param array $metadata Metadata for registering a block type.
* @return array Filtered metadata for registering a block type.
*/
function wp_migrate_old_typography_shape( $metadata ) {
if ( ! isset( $metadata['supports'] ) ) {
return $metadata;
}
$typography_keys = array(
'__experimentalFontFamily',
'__experimentalFontStyle',
'__experimentalFontWeight',
'__experimentalLetterSpacing',
'__experimentalTextDecoration',
'__experimentalTextTransform',
'fontSize',
'lineHeight',
);
foreach ( $typography_keys as $typography_key ) {
$support_for_key = _wp_array_get( $metadata['supports'], array( $typography_key ), null );
if ( null !== $support_for_key ) {
_doing_it_wrong(
'register_block_type_from_metadata()',
sprintf(
/* translators: 1: Block type, 2: Typography supports key, e.g: fontSize, lineHeight, etc. 3: block.json, 4: Old metadata key, 5: New metadata key. */
__( 'Block "%1$s" is declaring %2$s support in %3$s file under %4$s. %2$s support is now declared under %5$s.' ),
$metadata['name'],
"$typography_key",
'block.json',
"supports.$typography_key",
"supports.typography.$typography_key"
),
'5.8.0'
);
_wp_array_set( $metadata['supports'], array( 'typography', $typography_key ), $support_for_key );
unset( $metadata['supports'][ $typography_key ] );
}
}
return $metadata;
}
/**
* Helper function that constructs a WP_Query args array from
* a `Query` block properties.
*
* It's used in Query Loop, Query Pagination Numbers and Query Pagination Next blocks.
*
* @since 5.8.0
* @since 6.1.0 Added `query_loop_block_query_vars` filter and `parents` support in query.
*
* @param WP_Block $block Block instance.
* @param int $page Current query's page.
*
* @return array Returns the constructed WP_Query arguments.
*/
function build_query_vars_from_query_block( $block, $page ) {
$query = array(
'post_type' => 'post',
'order' => 'DESC',
'orderby' => 'date',
'post__not_in' => array(),
);
if ( isset( $block->context['query'] ) ) {
if ( ! empty( $block->context['query']['postType'] ) ) {
$post_type_param = $block->context['query']['postType'];
if ( is_post_type_viewable( $post_type_param ) ) {
$query['post_type'] = $post_type_param;
}
}
if ( isset( $block->context['query']['sticky'] ) && ! empty( $block->context['query']['sticky'] ) ) {
$sticky = get_option( 'sticky_posts' );
if ( 'only' === $block->context['query']['sticky'] ) {
/*
* Passing an empty array to post__in will return have_posts() as true (and all posts will be returned).
* Logic should be used before hand to determine if WP_Query should be used in the event that the array
* being passed to post__in is empty.
*
* @see https://core.trac.wordpress.org/ticket/28099
*/
$query['post__in'] = ! empty( $sticky ) ? $sticky : array( 0 );
$query['ignore_sticky_posts'] = 1;
} else {
$query['post__not_in'] = array_merge( $query['post__not_in'], $sticky );
}
}
if ( ! empty( $block->context['query']['exclude'] ) ) {
$excluded_post_ids = array_map( 'intval', $block->context['query']['exclude'] );
$excluded_post_ids = array_filter( $excluded_post_ids );
$query['post__not_in'] = array_merge( $query['post__not_in'], $excluded_post_ids );
}
if (
isset( $block->context['query']['perPage'] ) &&
is_numeric( $block->context['query']['perPage'] )
) {
$per_page = absint( $block->context['query']['perPage'] );
$offset = 0;
if (
isset( $block->context['query']['offset'] ) &&
is_numeric( $block->context['query']['offset'] )
) {
$offset = absint( $block->context['query']['offset'] );
}
$query['offset'] = ( $per_page * ( $page - 1 ) ) + $offset;
$query['posts_per_page'] = $per_page;
}
// Migrate `categoryIds` and `tagIds` to `tax_query` for backwards compatibility.
if ( ! empty( $block->context['query']['categoryIds'] ) || ! empty( $block->context['query']['tagIds'] ) ) {
$tax_query = array();
if ( ! empty( $block->context['query']['categoryIds'] ) ) {
$tax_query[] = array(
'taxonomy' => 'category',
'terms' => array_filter( array_map( 'intval', $block->context['query']['categoryIds'] ) ),
'include_children' => false,
);
}
if ( ! empty( $block->context['query']['tagIds'] ) ) {
$tax_query[] = array(
'taxonomy' => 'post_tag',
'terms' => array_filter( array_map( 'intval', $block->context['query']['tagIds'] ) ),
'include_children' => false,
);
}
$query['tax_query'] = $tax_query;
}
if ( ! empty( $block->context['query']['taxQuery'] ) ) {
$query['tax_query'] = array();
foreach ( $block->context['query']['taxQuery'] as $taxonomy => $terms ) {
if ( is_taxonomy_viewable( $taxonomy ) && ! empty( $terms ) ) {
$query['tax_query'][] = array(
'taxonomy' => $taxonomy,
'terms' => array_filter( array_map( 'intval', $terms ) ),
'include_children' => false,
);
}
}
}
if (
isset( $block->context['query']['order'] ) &&
in_array( strtoupper( $block->context['query']['order'] ), array( 'ASC', 'DESC' ), true )
) {
$query['order'] = strtoupper( $block->context['query']['order'] );
}
if ( isset( $block->context['query']['orderBy'] ) ) {
$query['orderby'] = $block->context['query']['orderBy'];
}
if (
isset( $block->context['query']['author'] )
) {
if ( is_array( $block->context['query']['author'] ) ) {
$query['author__in'] = array_filter( array_map( 'intval', $block->context['query']['author'] ) );
} elseif ( is_string( $block->context['query']['author'] ) ) {
$query['author__in'] = array_filter( array_map( 'intval', explode( ',', $block->context['query']['author'] ) ) );
} elseif ( is_int( $block->context['query']['author'] ) && $block->context['query']['author'] > 0 ) {
$query['author'] = $block->context['query']['author'];
}
}
if ( ! empty( $block->context['query']['search'] ) ) {
$query['s'] = $block->context['query']['search'];
}
if ( ! empty( $block->context['query']['parents'] ) && is_post_type_hierarchical( $query['post_type'] ) ) {
$query['post_parent__in'] = array_filter( array_map( 'intval', $block->context['query']['parents'] ) );
}
}
/**
* Filters the arguments which will be passed to `WP_Query` for the Query Loop Block.
*
* Anything to this filter should be compatible with the `WP_Query` API to form
* the query context which will be passed down to the Query Loop Block's children.
* This can help, for example, to include additional settings or meta queries not
* directly supported by the core Query Loop Block, and extend its capabilities.
*
* Please note that this will only influence the query that will be rendered on the
* front-end. The editor preview is not affected by this filter. Also, worth noting
* that the editor preview uses the REST API, so, ideally, one should aim to provide
* attributes which are also compatible with the REST API, in order to be able to
* implement identical queries on both sides.
*
* @since 6.1.0
*
* @param array $query Array containing parameters for `WP_Query` as parsed by the block context.
* @param WP_Block $block Block instance.
* @param int $page Current query's page.
*/
return apply_filters( 'query_loop_block_query_vars', $query, $block, $page );
}
/**
* Helper function that returns the proper pagination arrow HTML for
* `QueryPaginationNext` and `QueryPaginationPrevious` blocks based
* on the provided `paginationArrow` from `QueryPagination` context.
*
* It's used in QueryPaginationNext and QueryPaginationPrevious blocks.
*
* @since 5.9.0
*
* @param WP_Block $block Block instance.
* @param bool $is_next Flag for handling `next/previous` blocks.
* @return string|null The pagination arrow HTML or null if there is none.
*/
function get_query_pagination_arrow( $block, $is_next ) {
$arrow_map = array(
'none' => '',
'arrow' => array(
'next' => '→',
'previous' => '←',
),
'chevron' => array(
'next' => '»',
'previous' => '«',
),
);
if ( ! empty( $block->context['paginationArrow'] ) && array_key_exists( $block->context['paginationArrow'], $arrow_map ) && ! empty( $arrow_map[ $block->context['paginationArrow'] ] ) ) {
$pagination_type = $is_next ? 'next' : 'previous';
$arrow_attribute = $block->context['paginationArrow'];
$arrow = $arrow_map[ $block->context['paginationArrow'] ][ $pagination_type ];
$arrow_classes = "wp-block-query-pagination-$pagination_type-arrow is-arrow-$arrow_attribute";
return "$arrow";
}
return null;
}
/**
* Helper function that constructs a comment query vars array from the passed
* block properties.
*
* It's used with the Comment Query Loop inner blocks.
*
* @since 6.0.0
*
* @param WP_Block $block Block instance.
* @return array Returns the comment query parameters to use with the
* WP_Comment_Query constructor.
*/
function build_comment_query_vars_from_block( $block ) {
$comment_args = array(
'orderby' => 'comment_date_gmt',
'order' => 'ASC',
'status' => 'approve',
'no_found_rows' => false,
);
if ( is_user_logged_in() ) {
$comment_args['include_unapproved'] = array( get_current_user_id() );
} else {
$unapproved_email = wp_get_unapproved_comment_author_email();
if ( $unapproved_email ) {
$comment_args['include_unapproved'] = array( $unapproved_email );
}
}
if ( ! empty( $block->context['postId'] ) ) {
$comment_args['post_id'] = (int) $block->context['postId'];
}
if ( get_option( 'thread_comments' ) ) {
$comment_args['hierarchical'] = 'threaded';
} else {
$comment_args['hierarchical'] = false;
}
if ( get_option( 'page_comments' ) === '1' || get_option( 'page_comments' ) === true ) {
$per_page = get_option( 'comments_per_page' );
$default_page = get_option( 'default_comments_page' );
if ( $per_page > 0 ) {
$comment_args['number'] = $per_page;
$page = (int) get_query_var( 'cpage' );
if ( $page ) {
$comment_args['paged'] = $page;
} elseif ( 'oldest' === $default_page ) {
$comment_args['paged'] = 1;
} elseif ( 'newest' === $default_page ) {
$max_num_pages = (int) ( new WP_Comment_Query( $comment_args ) )->max_num_pages;
if ( 0 !== $max_num_pages ) {
$comment_args['paged'] = $max_num_pages;
}
}
// Set the `cpage` query var to ensure the previous and next pagination links are correct
// when inheriting the Discussion Settings.
if ( 0 === $page && isset( $comment_args['paged'] ) && $comment_args['paged'] > 0 ) {
set_query_var( 'cpage', $comment_args['paged'] );
}
}
}
return $comment_args;
}
/**
* Helper function that returns the proper pagination arrow HTML for
* `CommentsPaginationNext` and `CommentsPaginationPrevious` blocks based on the
* provided `paginationArrow` from `CommentsPagination` context.
*
* It's used in CommentsPaginationNext and CommentsPaginationPrevious blocks.
*
* @since 6.0.0
*
* @param WP_Block $block Block instance.
* @param string $pagination_type Optional. Type of the arrow we will be rendering.
* Accepts 'next' or 'previous'. Default 'next'.
* @return string|null The pagination arrow HTML or null if there is none.
*/
function get_comments_pagination_arrow( $block, $pagination_type = 'next' ) {
$arrow_map = array(
'none' => '',
'arrow' => array(
'next' => '→',
'previous' => '←',
),
'chevron' => array(
'next' => '»',
'previous' => '«',
),
);
if ( ! empty( $block->context['comments/paginationArrow'] ) && ! empty( $arrow_map[ $block->context['comments/paginationArrow'] ][ $pagination_type ] ) ) {
$arrow_attribute = $block->context['comments/paginationArrow'];
$arrow = $arrow_map[ $block->context['comments/paginationArrow'] ][ $pagination_type ];
$arrow_classes = "wp-block-comments-pagination-$pagination_type-arrow is-arrow-$arrow_attribute";
return "$arrow";
}
return null;
}
/**
* Strips all HTML from the content of footnotes, and sanitizes the ID.
* This function expects slashed data on the footnotes content.
*
* @access private
* @since 6.3.2
*
* @param string $footnotes JSON encoded string of an array containing the content and ID of each footnote.
* @return string Filtered content without any HTML on the footnote content and with the sanitized id.
*/
function _wp_filter_post_meta_footnotes( $footnotes ) {
$footnotes_decoded = json_decode( $footnotes, true );
if ( ! is_array( $footnotes_decoded ) ) {
return '';
}
$footnotes_sanitized = array();
foreach ( $footnotes_decoded as $footnote ) {
if ( ! empty( $footnote['content'] ) && ! empty( $footnote['id'] ) ) {
$footnotes_sanitized[] = array(
'id' => sanitize_key( $footnote['id'] ),
'content' => wp_unslash( wp_filter_post_kses( wp_slash( $footnote['content'] ) ) ),
);
}
}
return wp_json_encode( $footnotes_sanitized );
}
/**
* Adds the filters to filter footnotes meta field.
*
* @access private
* @since 6.3.2
*/
function _wp_footnotes_kses_init_filters() {
add_filter( 'sanitize_post_meta_footnotes', '_wp_filter_post_meta_footnotes' );
}
/**
* Removes the filters that filter footnotes meta field.
*
* @access private
* @since 6.3.2
*/
function _wp_footnotes_remove_filters() {
remove_filter( 'sanitize_post_meta_footnotes', '_wp_filter_post_meta_footnotes' );
}
/**
* Registers the filter of footnotes meta field if the user does not have unfiltered_html capability.
*
* @access private
* @since 6.3.2
*/
function _wp_footnotes_kses_init() {
_wp_footnotes_remove_filters();
if ( ! current_user_can( 'unfiltered_html' ) ) {
_wp_footnotes_kses_init_filters();
}
}
/**
* Initializes footnotes meta field filters when imported data should be filtered.
*
* This filter is the last being executed on force_filtered_html_on_import.
* If the input of the filter is true it means we are in an import situation and should
* enable kses, independently of the user capabilities.
* So in that case we call _wp_footnotes_kses_init_filters;
*
* @access private
* @since 6.3.2
*
* @param string $arg Input argument of the filter.
* @return string Input argument of the filter.
*/
function _wp_footnotes_force_filtered_html_on_import_filter( $arg ) {
// force_filtered_html_on_import is true we need to init the global styles kses filters.
if ( $arg ) {
_wp_footnotes_kses_init_filters();
}
return $arg;
}