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Core User Role & Capabilities API
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| map_meta_cap( $cap, $user_id, ...$args ) X-Ref |
| Maps a capability to the primitive capabilities required of the given user to satisfy the capability being checked. This function also accepts an ID of an object to map against if the capability is a meta capability. Meta capabilities such as `edit_post` and `edit_user` are capabilities used by this function to map to primitive capabilities that a user or role requires, such as `edit_posts` and `edit_others_posts`. Example usage: map_meta_cap( 'edit_posts', $user->ID ); map_meta_cap( 'edit_post', $user->ID, $post->ID ); map_meta_cap( 'edit_post_meta', $user->ID, $post->ID, $meta_key ); This function does not check whether the user has the required capabilities, it just returns what the required capabilities are. return: string[] Primitive capabilities required of the user. param: string $cap Capability being checked. param: int $user_id User ID. param: mixed ...$args Optional further parameters, typically starting with an object ID. |
| current_user_can( $capability, ...$args ) X-Ref |
| 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, $meta_key ); While checking against particular roles in place of a capability is supported in part, this practice is discouraged as it may produce unreliable results. Note: Will always return true if the current user is a super admin, unless specifically denied. return: bool Whether the current user has the given capability. If `$capability` is a meta cap and `$object_id` is param: string $capability Capability name. param: mixed ...$args Optional further parameters, typically starting with an object ID. |
| current_user_can_for_site( $site_id, $capability, ...$args ) X-Ref |
| 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`. This function replaces the current_user_can_for_blog() function. Example usage: current_user_can_for_site( $site_id, 'edit_posts' ); current_user_can_for_site( $site_id, 'edit_post', $post->ID ); current_user_can_for_site( $site_id, 'edit_post_meta', $post->ID, $meta_key ); return: bool Whether the user has the given capability. param: int $site_id Site ID. param: string $capability Capability name. param: mixed ...$args Optional further parameters, typically starting with an object ID. |
| author_can( $post, $capability, ...$args ) X-Ref |
| 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 ); return: bool Whether the post author has the given capability. 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. |
| user_can( $user, $capability, ...$args ) X-Ref |
| 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 ); return: bool Whether the user has the given capability. 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. |
| user_can_for_site( $user, $site_id, $capability, ...$args ) X-Ref |
| Returns whether a particular 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: user_can_for_site( $user->ID, $site_id, 'edit_posts' ); user_can_for_site( $user->ID, $site_id, 'edit_post', $post->ID ); user_can_for_site( $user->ID, $site_id, 'edit_post_meta', $post->ID, $meta_key ); return: bool Whether the user has the given capability. param: int|WP_User $user User ID or object. param: int $site_id Site ID. param: string $capability Capability name. param: mixed ...$args Optional further parameters, typically starting with an object ID. |
| wp_roles() X-Ref |
| Retrieves the global WP_Roles instance and instantiates it if necessary. return: WP_Roles WP_Roles global instance if not already instantiated. |
| get_role( $role ) X-Ref |
| Retrieves role object. return: WP_Role|null WP_Role object if found, null if the role does not exist. param: string $role Role name. |
| add_role( $role, $display_name, $capabilities = array() X-Ref |
| Adds a role, if it does not exist. return: WP_Role|void WP_Role object, if the role is added. param: string $role Role name. param: string $display_name Display name for role. param: bool[] $capabilities List of capabilities keyed by the capability name, |
| remove_role( $role ) X-Ref |
| Removes a role, if it exists. param: string $role Role name. |
| get_super_admins() X-Ref |
| Retrieves a list of super admins. return: string[] List of super admin logins. |
| is_super_admin( $user_id = false ) X-Ref |
| Determines whether user is a site admin. return: bool Whether the user is a site admin. param: int|false $user_id Optional. The ID of a user. Defaults to false, to check the current user. |
| grant_super_admin( $user_id ) X-Ref |
| Grants Super Admin privileges. return: bool True on success, false on failure. This can fail when the user is param: int $user_id ID of the user to be granted Super Admin privileges. |
| revoke_super_admin( $user_id ) X-Ref |
| Revokes Super Admin privileges. return: bool True on success, false on failure. This can fail when the user's email param: int $user_id ID of the user Super Admin privileges to be revoked from. |
| wp_maybe_grant_install_languages_cap( $allcaps ) X-Ref |
| 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'. return: bool[] Filtered array of the user's capabilities. param: bool[] $allcaps An array of all the user's capabilities. |
| wp_maybe_grant_resume_extensions_caps( $allcaps ) X-Ref |
| Filters the user capabilities to grant the 'resume_plugins' and 'resume_themes' capabilities as necessary. return: bool[] Filtered array of the user's capabilities. param: bool[] $allcaps An array of all the user's capabilities. |
| wp_maybe_grant_site_health_caps( $allcaps, $caps, $args, $user ) X-Ref |
| Filters the user capabilities to grant the 'view_site_health_checks' capabilities as necessary. return: bool[] Filtered array of the user's capabilities. param: bool[] $allcaps An array of all the user's capabilities. param: string[] $caps Required primitive capabilities for the requested capability. param: array $args { param: WP_User $user The user object. |
| Generated : Sat Dec 21 08:20:01 2024 | Cross-referenced by PHPXref |