d( 'capability_update_core' ) ) {
$caps[] = 'do_not_allow';
} elseif ( is_multisite() && ! is_super_admin( $user_id ) ) {
$caps[] = 'do_not_allow';
} elseif ( 'upload_themes' === $cap ) {
$caps[] = 'install_themes';
} elseif ( 'upload_plugins' === $cap ) {
$caps[] = 'install_plugins';
} else {
$caps[] = $cap;
}
break;
case 'install_languages':
case 'update_languages':
if ( ! wp_is_file_mod_allowed( 'can_install_language_pack' ) ) {
$caps[] = 'do_not_allow';
} elseif ( is_multisite() && ! is_super_admin( $user_id ) ) {
$caps[] = 'do_not_allow';
} else {
$caps[] = 'install_languages';
}
break;
case 'activate_plugins':
case 'deactivate_plugins':
case 'activate_plugin':
case 'deactivate_plugin':
$caps[] = 'activate_plugins';
if ( is_multisite() ) {
// update_, install_, and delete_ are handled above with is_super_admin().
$menu_perms = get_site_option( 'menu_items', array() );
if ( empty( $menu_perms['plugins'] ) ) {
$caps[] = 'manage_network_plugins';
}
}
break;
case 'resume_plugin':
$caps[] = 'resume_plugins';
break;
case 'resume_theme':
$caps[] = 'resume_themes';
break;
case 'delete_user':
case 'delete_users':
// If multisite only super admins can delete users.
if ( is_multisite() && ! is_super_admin( $user_id ) ) {
$caps[] = 'do_not_allow';
} else {
$caps[] = 'delete_users'; // delete_user maps to delete_users.
}
break;
case 'create_users':
if ( ! is_multisite() ) {
$caps[] = $cap;
} elseif ( is_super_admin( $user_id ) || get_site_option( 'add_new_users' ) ) {
$caps[] = $cap;
} else {
$caps[] = 'do_not_allow';
}
break;
case 'manage_links':
if ( get_option( 'link_manager_enabled' ) ) {
$caps[] = $cap;
} else {
$caps[] = 'do_not_allow';
}
break;
case 'customize':
$caps[] = 'edit_theme_options';
break;
case 'delete_site':
if ( is_multisite() ) {
$caps[] = 'manage_options';
} else {
$caps[] = 'do_not_allow';
}
break;
case 'edit_term':
case 'delete_term':
case 'assign_term':
if ( ! isset( $args[0] ) ) {
/* translators: %s: Capability name. */
$message = __( 'When checking for the %s capability, you must always check it against a specific term.' );
_doing_it_wrong(
__FUNCTION__,
sprintf( $message, '' . $cap . '' ),
'6.1.0'
);
$caps[] = 'do_not_allow';
break;
}
$term_id = (int) $args[0];
$term = get_term( $term_id );
if ( ! $term || is_wp_error( $term ) ) {
$caps[] = 'do_not_allow';
break;
}
$tax = get_taxonomy( $term->taxonomy );
if ( ! $tax ) {
$caps[] = 'do_not_allow';
break;
}
if ( 'delete_term' === $cap
&& ( get_option( 'default_' . $term->taxonomy ) == $term->term_id
|| get_option( 'default_term_' . $term->taxonomy ) == $term->term_id )
) {
$caps[] = 'do_not_allow';
break;
}
$taxo_cap = $cap . 's';
$caps = map_meta_cap( $tax->cap->$taxo_cap, $user_id, $term_id );
break;
case 'manage_post_tags':
case 'edit_categories':
case 'edit_post_tags':
case 'delete_categories':
case 'delete_post_tags':
$caps[] = 'manage_categories';
break;
case 'assign_categories':
case 'assign_post_tags':
$caps[] = 'edit_posts';
break;
case 'create_sites':
case 'delete_sites':
case 'manage_network':
case 'manage_sites':
case 'manage_network_users':
case 'manage_network_plugins':
case 'manage_network_themes':
case 'manage_network_options':
case 'upgrade_network':
$caps[] = $cap;
break;
case 'setup_network':
if ( is_multisite() ) {
$caps[] = 'manage_network_options';
} else {
$caps[] = 'manage_options';
}
break;
case 'update_php':
if ( is_multisite() && ! is_super_admin( $user_id ) ) {
$caps[] = 'do_not_allow';
} else {
$caps[] = 'update_core';
}
break;
case 'update_https':
if ( is_multisite() && ! is_super_admin( $user_id ) ) {
$caps[] = 'do_not_allow';
} else {
$caps[] = 'manage_options';
$caps[] = 'update_core';
}
break;
case 'export_others_personal_data':
case 'erase_others_personal_data':
case 'manage_privacy_options':
$caps[] = is_multisite() ? 'manage_network' : 'manage_options';
break;
case 'create_app_password':
case 'list_app_passwords':
case 'read_app_password':
case 'edit_app_password':
case 'delete_app_passwords':
case 'delete_app_password':
$caps = map_meta_cap( 'edit_user', $user_id, $args[0] );
break;
default:
// Handle meta capabilities for custom post types.
global $post_type_meta_caps;
if ( isset( $post_type_meta_caps[ $cap ] ) ) {
return map_meta_cap( $post_type_meta_caps[ $cap ], $user_id, ...$args );
}
// Block capabilities map to their post equivalent.
$block_caps = array(
'edit_blocks',
'edit_others_blocks',
'publish_blocks',
'read_private_blocks',
'delete_blocks',
'delete_private_blocks',
'delete_published_blocks',
'delete_others_blocks',
'edit_private_blocks',
'edit_published_blocks',
);
if ( in_array( $cap, $block_caps, true ) ) {
$cap = str_replace( '_blocks', '_posts', $cap );
}
// If no meta caps match, return the original cap.
$caps[] = $cap;
}
/**
* Filters the primitive capabilities required of the given user to satisfy the
* capability being checked.
*
* @since 2.8.0
*
* @param string[] $caps Primitive capabilities required of the user.
* @param string $cap Capability being checked.
* @param int $user_id The user ID.
* @param array $args Adds context to the capability check, typically
* starting with an object ID.
*/
return apply_filters( 'map_meta_cap', $caps, $cap, $user_id, $args );
}
/**
* Returns whether the current user has the specified capability.
*
* This function also accepts an ID of an object to check against if the capability is a meta capability. Meta
* capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to
* map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`.
*
* Example usage:
*
* current_user_can( 'edit_posts' );
* current_user_can( 'edit_post', $post->ID );
* current_user_can( 'edit_post_meta', $post->ID, $meta_key );
*
* While checking against particular roles in place of a capability is supported
* in part, this practice is discouraged as it may produce unreliable results.
*
* Note: Will always return true if the current user is a super admin, unless specifically denied.
*
* @since 2.0.0
* @since 5.3.0 Formalized the existing and already documented `...$args` parameter
* by adding it to the function signature.
* @since 5.8.0 Converted to wrapper for the user_can() function.
*
* @see WP_User::has_cap()
* @see map_meta_cap()
*
* @param string $capability Capability name.
* @param mixed ...$args Optional further parameters, typically starting with an object ID.
* @return bool Whether the current user has the given capability. If `$capability` is a meta cap and `$object_id` is
* passed, whether the current user has the given meta capability for the given object.
*/
function current_user_can( $capability, ...$args ) {
return user_can( wp_get_current_user(), $capability, ...$args );
}
/**
* Returns whether the current user has the specified capability for a given site.
*
* This function also accepts an ID of an object to check against if the capability is a meta capability. Meta
* capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to
* map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`.
*
* Example usage:
*
* current_user_can_for_blog( $blog_id, 'edit_posts' );
* current_user_can_for_blog( $blog_id, 'edit_post', $post->ID );
* current_user_can_for_blog( $blog_id, 'edit_post_meta', $post->ID, $meta_key );
*
* @since 3.0.0
* @since 5.3.0 Formalized the existing and already documented `...$args` parameter
* by adding it to the function signature.
* @since 5.8.0 Wraps current_user_can() after switching to blog.
*
* @param int $blog_id Site ID.
* @param string $capability Capability name.
* @param mixed ...$args Optional further parameters, typically starting with an object ID.
* @return bool Whether the user has the given capability.
*/
function current_user_can_for_blog( $blog_id, $capability, ...$args ) {
$switched = is_multisite() ? switch_to_blog( $blog_id ) : false;
$can = current_user_can( $capability, ...$args );
if ( $switched ) {
restore_current_blog();
}
return $can;
}
/**
* Returns whether the author of the supplied post has the specified capability.
*
* This function also accepts an ID of an object to check against if the capability is a meta capability. Meta
* capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to
* map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`.
*
* Example usage:
*
* author_can( $post, 'edit_posts' );
* author_can( $post, 'edit_post', $post->ID );
* author_can( $post, 'edit_post_meta', $post->ID, $meta_key );
*
* @since 2.9.0
* @since 5.3.0 Formalized the existing and already documented `...$args` parameter
* by adding it to the function signature.
*
* @param int|WP_Post $post Post ID or post object.
* @param string $capability Capability name.
* @param mixed ...$args Optional further parameters, typically starting with an object ID.
* @return bool Whether the post author has the given capability.
*/
function author_can( $post, $capability, ...$args ) {
$post = get_post( $post );
if ( ! $post ) {
return false;
}
$author = get_userdata( $post->post_author );
if ( ! $author ) {
return false;
}
return $author->has_cap( $capability, ...$args );
}
/**
* Returns whether a particular user has the specified capability.
*
* This function also accepts an ID of an object to check against if the capability is a meta capability. Meta
* capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to
* map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`.
*
* Example usage:
*
* user_can( $user->ID, 'edit_posts' );
* user_can( $user->ID, 'edit_post', $post->ID );
* user_can( $user->ID, 'edit_post_meta', $post->ID, $meta_key );
*
* @since 3.1.0
* @since 5.3.0 Formalized the existing and already documented `...$args` parameter
* by adding it to the function signature.
*
* @param int|WP_User $user User ID or object.
* @param string $capability Capability name.
* @param mixed ...$args Optional further parameters, typically starting with an object ID.
* @return bool Whether the user has the given capability.
*/
function user_can( $user, $capability, ...$args ) {
if ( ! is_object( $user ) ) {
$user = get_userdata( $user );
}
if ( empty( $user ) ) {
// User is logged out, create anonymous user object.
$user = new WP_User( 0 );
$user->init( new stdClass() );
}
return $user->has_cap( $capability, ...$args );
}
/**
* Retrieves the global WP_Roles instance and instantiates it if necessary.
*
* @since 4.3.0
*
* @global WP_Roles $wp_roles WordPress role management object.
*
* @return WP_Roles WP_Roles global instance if not already instantiated.
*/
function wp_roles() {
global $wp_roles;
if ( ! isset( $wp_roles ) ) {
$wp_roles = new WP_Roles();
}
return $wp_roles;
}
/**
* Retrieves role object.
*
* @since 2.0.0
*
* @param string $role Role name.
* @return WP_Role|null WP_Role object if found, null if the role does not exist.
*/
function get_role( $role ) {
return wp_roles()->get_role( $role );
}
/**
* Adds a role, if it does not exist.
*
* @since 2.0.0
*
* @param string $role Role name.
* @param string $display_name Display name for role.
* @param bool[] $capabilities List of capabilities keyed by the capability name,
* e.g. array( 'edit_posts' => true, 'delete_posts' => false ).
* @return WP_Role|void WP_Role object, if the role is added.
*/
function add_role( $role, $display_name, $capabilities = array() ) {
if ( empty( $role ) ) {
return;
}
return wp_roles()->add_role( $role, $display_name, $capabilities );
}
/**
* Removes a role, if it exists.
*
* @since 2.0.0
*
* @param string $role Role name.
*/
function remove_role( $role ) {
wp_roles()->remove_role( $role );
}
/**
* Retrieves a list of super admins.
*
* @since 3.0.0
*
* @global array $super_admins
*
* @return string[] List of super admin logins.
*/
function get_super_admins() {
global $super_admins;
if ( isset( $super_admins ) ) {
return $super_admins;
} else {
return get_site_option( 'site_admins', array( 'admin' ) );
}
}
/**
* Determines whether user is a site admin.
*
* @since 3.0.0
*
* @param int|false $user_id Optional. The ID of a user. Defaults to false, to check the current user.
* @return bool Whether the user is a site admin.
*/
function is_super_admin( $user_id = false ) {
if ( ! $user_id ) {
$user = wp_get_current_user();
} else {
$user = get_userdata( $user_id );
}
if ( ! $user || ! $user->exists() ) {
return false;
}
if ( is_multisite() ) {
$super_admins = get_super_admins();
if ( is_array( $super_admins ) && in_array( $user->user_login, $super_admins, true ) ) {
return true;
}
} else {
if ( $user->has_cap( 'delete_users' ) ) {
return true;
}
}
return false;
}
/**
* Grants Super Admin privileges.
*
* @since 3.0.0
*
* @global array $super_admins
*
* @param int $user_id ID of the user to be granted Super Admin privileges.
* @return bool True on success, false on failure. This can fail when the user is
* already a super admin or when the `$super_admins` global is defined.
*/
function grant_super_admin( $user_id ) {
// If global super_admins override is defined, there is nothing to do here.
if ( isset( $GLOBALS['super_admins'] ) || ! is_multisite() ) {
return false;
}
/**
* Fires before the user is granted Super Admin privileges.
*
* @since 3.0.0
*
* @param int $user_id ID of the user that is about to be granted Super Admin privileges.
*/
do_action( 'grant_super_admin', $user_id );
// Directly fetch site_admins instead of using get_super_admins().
$super_admins = get_site_option( 'site_admins', array( 'admin' ) );
$user = get_userdata( $user_id );
if ( $user && ! in_array( $user->user_login, $super_admins, true ) ) {
$super_admins[] = $user->user_login;
update_site_option( 'site_admins', $super_admins );
/**
* Fires after the user is granted Super Admin privileges.
*
* @since 3.0.0
*
* @param int $user_id ID of the user that was granted Super Admin privileges.
*/
do_action( 'granted_super_admin', $user_id );
return true;
}
return false;
}
/**
* Revokes Super Admin privileges.
*
* @since 3.0.0
*
* @global array $super_admins
*
* @param int $user_id ID of the user Super Admin privileges to be revoked from.
* @return bool True on success, false on failure. This can fail when the user's email
* is the network admin email or when the `$super_admins` global is defined.
*/
function revoke_super_admin( $user_id ) {
// If global super_admins override is defined, there is nothing to do here.
if ( isset( $GLOBALS['super_admins'] ) || ! is_multisite() ) {
return false;
}
/**
* Fires before the user's Super Admin privileges are revoked.
*
* @since 3.0.0
*
* @param int $user_id ID of the user Super Admin privileges are being revoked from.
*/
do_action( 'revoke_super_admin', $user_id );
// Directly fetch site_admins instead of using get_super_admins().
$super_admins = get_site_option( 'site_admins', array( 'admin' ) );
$user = get_userdata( $user_id );
if ( $user && 0 !== strcasecmp( $user->user_email, get_site_option( 'admin_email' ) ) ) {
$key = array_search( $user->user_login, $super_admins, true );
if ( false !== $key ) {
unset( $super_admins[ $key ] );
update_site_option( 'site_admins', $super_admins );
/**
* Fires after the user's Super Admin privileges are revoked.
*
* @since 3.0.0
*
* @param int $user_id ID of the user Super Admin privileges were revoked from.
*/
do_action( 'revoked_super_admin', $user_id );
return true;
}
}
return false;
}
/**
* Filters the user capabilities to grant the 'install_languages' capability as necessary.
*
* A user must have at least one out of the 'update_core', 'install_plugins', and
* 'install_themes' capabilities to qualify for 'install_languages'.
*
* @since 4.9.0
*
* @param bool[] $allcaps An array of all the user's capabilities.
* @return bool[] Filtered array of the user's capabilities.
*/
function wp_maybe_grant_install_languages_cap( $allcaps ) {
if ( ! empty( $allcaps['update_core'] ) || ! empty( $allcaps['install_plugins'] ) || ! empty( $allcaps['install_themes'] ) ) {
$allcaps['install_languages'] = true;
}
return $allcaps;
}
/**
* Filters the user capabilities to grant the 'resume_plugins' and 'resume_themes' capabilities as necessary.
*
* @since 5.2.0
*
* @param bool[] $allcaps An array of all the user's capabilities.
* @return bool[] Filtered array of the user's capabilities.
*/
function wp_maybe_grant_resume_extensions_caps( $allcaps ) {
// Even in a multisite, regular administrators should be able to resume plugins.
if ( ! empty( $allcaps['activate_plugins'] ) ) {
$allcaps['resume_plugins'] = true;
}
// Even in a multisite, regular administrators should be able to resume themes.
if ( ! empty( $allcaps['switch_themes'] ) ) {
$allcaps['resume_themes'] = true;
}
return $allcaps;
}
/**
* Filters the user capabilities to grant the 'view_site_health_checks' capabilities as necessary.
*
* @since 5.2.2
*
* @param bool[] $allcaps An array of all the user's capabilities.
* @param string[] $caps Required primitive capabilities for the requested capability.
* @param array $args {
* Arguments that accompany the requested capability check.
*
* @type string $0 Requested capability.
* @type int $1 Concerned user ID.
* @type mixed ...$2 Optional second and further parameters, typically object ID.
* }
* @param WP_User $user The user object.
* @return bool[] Filtered array of the user's capabilities.
*/
function wp_maybe_grant_site_health_caps( $allcaps, $caps, $args, $user ) {
if ( ! empty( $allcaps['install_plugins'] ) && ( ! is_multisite() || is_super_admin( $user->ID ) ) ) {
$allcaps['view_site_health_checks'] = true;
}
return $allcaps;
}
return;
// Dummy gettext calls to get strings in the catalog.
/* translators: User role for administrators. */
_x( 'Administrator', 'User role' );
/* translators: User role for editors. */
_x( 'Editor', 'User role' );
/* translators: User role for authors. */
_x( 'Author', 'User role' );
/* translators: User role for contributors. */
_x( 'Contributor', 'User role' );
/* translators: User role for subscribers. */
_x( 'Subscriber', 'User role' );
m_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {
if ( 'nav_menu' !== $taxonomy ) {
return;
}
// Update menu locations.
$locations = get_nav_menu_locations();
foreach ( $locations as $location => $menu_id ) {
if ( $term_id === $menu_id ) {
$locations[ $location ] = $new_term_id;
}
}
set_theme_mod( 'nav_menu_locations', $locations );
}
/**
* Gets data about terms that previously shared a single term_id, but have since been split.
*
* @since 4.2.0
*
* @param int $old_term_id Term ID. This is the old, pre-split term ID.
* @return array Array of new term IDs, keyed by taxonomy.
*/
function wp_get_split_terms( $old_term_id ) {
$split_terms = get_option( '_split_terms', array() );
$terms = array();
if ( isset( $split_terms[ $old_term_id ] ) ) {
$terms = $split_terms[ $old_term_id ];
}
return $terms;
}
/**
* Gets the new term ID corresponding to a previously split term.
*
* @since 4.2.0
*
* @param int $old_term_id Term ID. This is the old, pre-split term ID.
* @param string $taxonomy Taxonomy that the term belongs to.
* @return int|false If a previously split term is found corresponding to the old term_id and taxonomy,
* the new term_id will be returned. If no previously split term is found matching
* the parameters, returns false.
*/
function wp_get_split_term( $old_term_id, $taxonomy ) {
$split_terms = wp_get_split_terms( $old_term_id );
$term_id = false;
if ( isset( $split_terms[ $taxonomy ] ) ) {
$term_id = (int) $split_terms[ $taxonomy ];
}
return $term_id;
}
/**
* Determines whether a term is shared between multiple taxonomies.
*
* Shared taxonomy terms began to be split in 4.3, but failed cron tasks or
* other delays in upgrade routines may cause shared terms to remain.
*
* @since 4.4.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $term_id Term ID.
* @return bool Returns false if a term is not shared between multiple taxonomies or
* if splitting shared taxonomy terms is finished.
*/
function wp_term_is_shared( $term_id ) {
global $wpdb;
if ( get_option( 'finished_splitting_shared_terms' ) ) {
return false;
}
$tt_count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = %d", $term_id ) );
return $tt_count > 1;
}
/**
* Generates a permalink for a taxonomy term archive.
*
* @since 2.5.0
*
* @global WP_Rewrite $wp_rewrite WordPress rewrite component.
*
* @param WP_Term|int|string $term The term object, ID, or slug whose link will be retrieved.
* @param string $taxonomy Optional. Taxonomy. Default empty.
* @return string|WP_Error URL of the taxonomy term archive on success, WP_Error if term does not exist.
*/
function get_term_link( $term, $taxonomy = '' ) {
global $wp_rewrite;
if ( ! is_object( $term ) ) {
if ( is_int( $term ) ) {
$term = get_term( $term, $taxonomy );
} else {
$term = get_term_by( 'slug', $term, $taxonomy );
}
}
if ( ! is_object( $term ) ) {
$term = new WP_Error( 'invalid_term', __( 'Empty Term.' ) );
}
if ( is_wp_error( $term ) ) {
return $term;
}
$taxonomy = $term->taxonomy;
$termlink = $wp_rewrite->get_extra_permastruct( $taxonomy );
/**
* Filters the permalink structure for a term before token replacement occurs.
*
* @since 4.9.0
*
* @param string $termlink The permalink structure for the term's taxonomy.
* @param WP_Term $term The term object.
*/
$termlink = apply_filters( 'pre_term_link', $termlink, $term );
$slug = $term->slug;
$t = get_taxonomy( $taxonomy );
if ( empty( $termlink ) ) {
if ( 'category' === $taxonomy ) {
$termlink = '?cat=' . $term->term_id;
} elseif ( $t->query_var ) {
$termlink = "?$t->query_var=$slug";
} else {
$termlink = "?taxonomy=$taxonomy&term=$slug";
}
$termlink = home_url( $termlink );
} else {
if ( ! empty( $t->rewrite['hierarchical'] ) ) {
$hierarchical_slugs = array();
$ancestors = get_ancestors( $term->term_id, $taxonomy, 'taxonomy' );
foreach ( (array) $ancestors as $ancestor ) {
$ancestor_term = get_term( $ancestor, $taxonomy );
$hierarchical_slugs[] = $ancestor_term->slug;
}
$hierarchical_slugs = array_reverse( $hierarchical_slugs );
$hierarchical_slugs[] = $slug;
$termlink = str_replace( "%$taxonomy%", implode( '/', $hierarchical_slugs ), $termlink );
} else {
$termlink = str_replace( "%$taxonomy%", $slug, $termlink );
}
$termlink = home_url( user_trailingslashit( $termlink, 'category' ) );
}
// Back compat filters.
if ( 'post_tag' === $taxonomy ) {
/**
* Filters the tag link.
*
* @since 2.3.0
* @since 2.5.0 Deprecated in favor of {@see 'term_link'} filter.
* @since 5.4.1 Restored (un-deprecated).
*
* @param string $termlink Tag link URL.
* @param int $term_id Term ID.
*/
$termlink = apply_filters( 'tag_link', $termlink, $term->term_id );
} elseif ( 'category' === $taxonomy ) {
/**
* Filters the category link.
*
* @since 1.5.0
* @since 2.5.0 Deprecated in favor of {@see 'term_link'} filter.
* @since 5.4.1 Restored (un-deprecated).
*
* @param string $termlink Category link URL.
* @param int $term_id Term ID.
*/
$termlink = apply_filters( 'category_link', $termlink, $term->term_id );
}
/**
* Filters the term link.
*
* @since 2.5.0
*
* @param string $termlink Term link URL.
* @param WP_Term $term Term object.
* @param string $taxonomy Taxonomy slug.
*/
return apply_filters( 'term_link', $termlink, $term, $taxonomy );
}
/**
* Displays the taxonomies of a post with available options.
*
* This function can be used within the loop to display the taxonomies for a
* post without specifying the Post ID. You can also use it outside the Loop to
* display the taxonomies for a specific post.
*
* @since 2.5.0
*
* @param array $args {
* Arguments about which post to use and how to format the output. Shares all of the arguments
* supported by get_the_taxonomies(), in addition to the following.
*
* @type int|WP_Post $post Post ID or object to get taxonomies of. Default current post.
* @type string $before Displays before the taxonomies. Default empty string.
* @type string $sep Separates each taxonomy. Default is a space.
* @type string $after Displays after the taxonomies. Default empty string.
* }
*/
function the_taxonomies( $args = array() ) {
$defaults = array(
'post' => 0,
'before' => '',
'sep' => ' ',
'after' => '',
);
$parsed_args = wp_parse_args( $args, $defaults );
echo $parsed_args['before'] . implode( $parsed_args['sep'], get_the_taxonomies( $parsed_args['post'], $parsed_args ) ) . $parsed_args['after'];
}
/**
* Retrieves all taxonomies associated with a post.
*
* This function can be used within the loop. It will also return an array of
* the taxonomies with links to the taxonomy and name.
*
* @since 2.5.0
*
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
* @param array $args {
* Optional. Arguments about how to format the list of taxonomies. Default empty array.
*
* @type string $template Template for displaying a taxonomy label and list of terms.
* Default is "Label: Terms."
* @type string $term_template Template for displaying a single term in the list. Default is the term name
* linked to its archive.
* }
* @return string[] List of taxonomies.
*/
function get_the_taxonomies( $post = 0, $args = array() ) {
$post = get_post( $post );
$args = wp_parse_args(
$args,
array(
/* translators: %s: Taxonomy label, %l: List of terms formatted as per $term_template. */
'template' => __( '%s: %l.' ),
'term_template' => '%2$s',
)
);
$taxonomies = array();
if ( ! $post ) {
return $taxonomies;
}
foreach ( get_object_taxonomies( $post ) as $taxonomy ) {
$t = (array) get_taxonomy( $taxonomy );
if ( empty( $t['label'] ) ) {
$t['label'] = $taxonomy;
}
if ( empty( $t['args'] ) ) {
$t['args'] = array();
}
if ( empty( $t['template'] ) ) {
$t['template'] = $args['template'];
}
if ( empty( $t['term_template'] ) ) {
$t['term_template'] = $args['term_template'];
}
$terms = get_object_term_cache( $post->ID, $taxonomy );
if ( false === $terms ) {
$terms = wp_get_object_terms( $post->ID, $taxonomy, $t['args'] );
}
$links = array();
foreach ( $terms as $term ) {
$links[] = wp_sprintf( $t['term_template'], esc_attr( get_term_link( $term ) ), $term->name );
}
if ( $links ) {
$taxonomies[ $taxonomy ] = wp_sprintf( $t['template'], $t['label'], $links, $terms );
}
}
return $taxonomies;
}
/**
* Retrieves all taxonomy names for the given post.
*
* @since 2.5.0
*
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
* @return string[] An array of all taxonomy names for the given post.
*/
function get_post_taxonomies( $post = 0 ) {
$post = get_post( $post );
return get_object_taxonomies( $post );
}
/**
* Determines if the given object is associated with any of the given terms.
*
* The given terms are checked against the object's terms' term_ids, names and slugs.
* Terms given as integers will only be checked against the object's terms' term_ids.
* If no terms are given, determines if object is associated with any terms in the given taxonomy.
*
* @since 2.7.0
*
* @param int $object_id ID of the object (post ID, link ID, ...).
* @param string $taxonomy Single taxonomy name.
* @param int|string|int[]|string[] $terms Optional. Term ID, name, slug, or array of such
* to check against. Default null.
* @return bool|WP_Error WP_Error on input error.
*/
function is_object_in_term( $object_id, $taxonomy, $terms = null ) {
$object_id = (int) $object_id;
if ( ! $object_id ) {
return new WP_Error( 'invalid_object', __( 'Invalid object ID.' ) );
}
$object_terms = get_object_term_cache( $object_id, $taxonomy );
if ( false === $object_terms ) {
$object_terms = wp_get_object_terms( $object_id, $taxonomy, array( 'update_term_meta_cache' => false ) );
if ( is_wp_error( $object_terms ) ) {
return $object_terms;
}
wp_cache_set( $object_id, wp_list_pluck( $object_terms, 'term_id' ), "{$taxonomy}_relationships" );
}
if ( is_wp_error( $object_terms ) ) {
return $object_terms;
}
if ( empty( $object_terms ) ) {
return false;
}
if ( empty( $terms ) ) {
return ( ! empty( $object_terms ) );
}
$terms = (array) $terms;
$ints = array_filter( $terms, 'is_int' );
if ( $ints ) {
$strs = array_diff( $terms, $ints );
} else {
$strs =& $terms;
}
foreach ( $object_terms as $object_term ) {
// If term is an int, check against term_ids only.
if ( $ints && in_array( $object_term->term_id, $ints, true ) ) {
return true;
}
if ( $strs ) {
// Only check numeric strings against term_id, to avoid false matches due to type juggling.
$numeric_strs = array_map( 'intval', array_filter( $strs, 'is_numeric' ) );
if ( in_array( $object_term->term_id, $numeric_strs, true ) ) {
return true;
}
if ( in_array( $object_term->name, $strs, true ) ) {
return true;
}
if ( in_array( $object_term->slug, $strs, true ) ) {
return true;
}
}
}
return false;
}
/**
* Determines if the given object type is associated with the given taxonomy.
*
* @since 3.0.0
*
* @param string $object_type Object type string.
* @param string $taxonomy Single taxonomy name.
* @return bool True if object is associated with the taxonomy, otherwise false.
*/
function is_object_in_taxonomy( $object_type, $taxonomy ) {
$taxonomies = get_object_taxonomies( $object_type );
if ( empty( $taxonomies ) ) {
return false;
}
return in_array( $taxonomy, $taxonomies, true );
}
/**
* Gets an array of ancestor IDs for a given object.
*
* @since 3.1.0
* @since 4.1.0 Introduced the `$resource_type` argument.
*
* @param int $object_id Optional. The ID of the object. Default 0.
* @param string $object_type Optional. The type of object for which we'll be retrieving
* ancestors. Accepts a post type or a taxonomy name. Default empty.
* @param string $resource_type Optional. Type of resource $object_type is. Accepts 'post_type'
* or 'taxonomy'. Default empty.
* @return int[] An array of IDs of ancestors from lowest to highest in the hierarchy.
*/
function get_ancestors( $object_id = 0, $object_type = '', $resource_type = '' ) {
$object_id = (int) $object_id;
$ancestors = array();
if ( empty( $object_id ) ) {
/** This filter is documented in wp-includes/taxonomy.php */
return apply_filters( 'get_ancestors', $ancestors, $object_id, $object_type, $resource_type );
}
if ( ! $resource_type ) {
if ( is_taxonomy_hierarchical( $object_type ) ) {
$resource_type = 'taxonomy';
} elseif ( post_type_exists( $object_type ) ) {
$resource_type = 'post_type';
}
}
if ( 'taxonomy' === $resource_type ) {
$term = get_term( $object_id, $object_type );
while ( ! is_wp_error( $term ) && ! empty( $term->parent ) && ! in_array( $term->parent, $ancestors, true ) ) {
$ancestors[] = (int) $term->parent;
$term = get_term( $term->parent, $object_type );
}
} elseif ( 'post_type' === $resource_type ) {
$ancestors = get_post_ancestors( $object_id );
}
/**
* Filters a given object's ancestors.
*
* @since 3.1.0
* @since 4.1.1 Introduced the `$resource_type` parameter.
*
* @param int[] $ancestors An array of IDs of object ancestors.
* @param int $object_id Object ID.
* @param string $object_type Type of object.
* @param string $resource_type Type of resource $object_type is.
*/
return apply_filters( 'get_ancestors', $ancestors, $object_id, $object_type, $resource_type );
}
/**
* Returns the term's parent's term ID.
*
* @since 3.1.0
*
* @param int $term_id Term ID.
* @param string $taxonomy Taxonomy name.
* @return int|false Parent term ID on success, false on failure.
*/
function wp_get_term_taxonomy_parent_id( $term_id, $taxonomy ) {
$term = get_term( $term_id, $taxonomy );
if ( ! $term || is_wp_error( $term ) ) {
return false;
}
return (int) $term->parent;
}
/**
* Checks the given subset of the term hierarchy for hierarchy loops.
* Prevents loops from forming and breaks those that it finds.
*
* Attached to the {@see 'wp_update_term_parent'} filter.
*
* @since 3.1.0
*
* @param int $parent_term `term_id` of the parent for the term we're checking.
* @param int $term_id The term we're checking.
* @param string $taxonomy The taxonomy of the term we're checking.
* @return int The new parent for the term.
*/
function wp_check_term_hierarchy_for_loops( $parent_term, $term_id, $taxonomy ) {
// Nothing fancy here - bail.
if ( ! $parent_term ) {
return 0;
}
// Can't be its own parent.
if ( $parent_term === $term_id ) {
return 0;
}
// Now look for larger loops.
$loop = wp_find_hierarchy_loop( 'wp_get_term_taxonomy_parent_id', $term_id, $parent_term, array( $taxonomy ) );
if ( ! $loop ) {
return $parent_term; // No loop.
}
// Setting $parent_term to the given value causes a loop.
if ( isset( $loop[ $term_id ] ) ) {
return 0;
}
// There's a loop, but it doesn't contain $term_id. Break the loop.
foreach ( array_keys( $loop ) as $loop_member ) {
wp_update_term( $loop_member, $taxonomy, array( 'parent' => 0 ) );
}
return $parent_term;
}
/**
* Determines whether a taxonomy is considered "viewable".
*
* @since 5.1.0
*
* @param string|WP_Taxonomy $taxonomy Taxonomy name or object.
* @return bool Whether the taxonomy should be considered viewable.
*/
function is_taxonomy_viewable( $taxonomy ) {
if ( is_scalar( $taxonomy ) ) {
$taxonomy = get_taxonomy( $taxonomy );
if ( ! $taxonomy ) {
return false;
}
}
return $taxonomy->publicly_queryable;
}
/**
* Determines whether a term is publicly viewable.
*
* A term is considered publicly viewable if its taxonomy is viewable.
*
* @since 6.1.0
*
* @param int|WP_Term $term Term ID or term object.
* @return bool Whether the term is publicly viewable.
*/
function is_term_publicly_viewable( $term ) {
$term = get_term( $term );
if ( ! $term ) {
return false;
}
return is_taxonomy_viewable( $term->taxonomy );
}
/**
* Sets the last changed time for the 'terms' cache group.
*
* @since 5.0.0
*/
function wp_cache_set_terms_last_changed() {
wp_cache_set_last_changed( 'terms' );
}
/**
* Aborts calls to term meta if it is not supported.
*
* @since 5.0.0
*
* @param mixed $check Skip-value for whether to proceed term meta function execution.
* @return mixed Original value of $check, or false if term meta is not supported.
*/
function wp_check_term_meta_support_prefilter( $check ) {
if ( get_option( 'db_version' ) < 34370 ) {
return false;
}
return $check;
}