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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. param: string $cap Capability being checked. param: int $user_id User ID. param: mixed ...$args Optional further parameters, typically starting with an object ID. return: string[] Primitive capabilities required of the user. |
| 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. 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 |
| 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 ); param: int $site_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. |
| 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 ); 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. |
| 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 ); 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. |
| 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 ); 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. return: bool Whether the user has the given capability. |
| 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. param: string $role Role name. return: WP_Role|null WP_Role object if found, null if the role does not exist. |
| add_role( $role, $display_name, $capabilities = array() X-Ref |
| Adds a role, if it does not exist. param: string $role Role name. param: string $display_name Display name for role. param: bool[] $capabilities List of capabilities keyed by the capability name, return: WP_Role|void WP_Role object, if the role is added. |
| 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. 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. |
| grant_super_admin( $user_id ) X-Ref |
| Grants Super Admin privileges. 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 |
| revoke_super_admin( $user_id ) X-Ref |
| Revokes Super Admin privileges. 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 |
| 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'. param: bool[] $allcaps An array of all the user's capabilities. return: bool[] Filtered array of 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. param: bool[] $allcaps An array of all the user's capabilities. return: bool[] Filtered array of 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. 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. return: bool[] Filtered array of the user's capabilities. |
| Generated : Thu Nov 21 08:20:01 2024 | Cross-referenced by PHPXref |