/** * Core User Role & Capabilities API * * @package WordPress * @subpackage Users */ /** * Map meta capabilities to primitive capabilities. * * This does not actually compare whether the user ID has the actual capability, * just what the capability or capabilities are. Meta capability list value can * be 'delete_user', 'edit_user', 'remove_user', 'promote_user', 'delete_post', * 'delete_page', 'edit_post', 'edit_page', 'read_post', or 'read_page'. * * @since 2.0.0 * * @global array $post_type_meta_caps Used to get post type meta capabilities. * * @param string $cap Capability name. * @param int $user_id User ID. * @param int $object_id Optional. ID of the specific object to check against if `$cap` is a "meta" cap. * "Meta" capabilities, e.g. 'edit_post', 'edit_user', etc., are capabilities used * by map_meta_cap() to map to other "primitive" capabilities, e.g. 'edit_posts', * 'edit_others_posts', etc. The parameter is accessed via func_get_args(). * @return array Actual capabilities for meta capability. */ function map_meta_cap( $cap, $user_id ) { $args = array_slice( func_get_args(), 2 ); $caps = array(); switch ( $cap ) { case 'remove_user': // In multisite the user must be a super admin to remove themselves. if ( isset( $args[0] ) && $user_id == $args[0] && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = 'remove_users'; } break; case 'promote_user': case 'add_users': $caps[] = 'promote_users'; break; case 'edit_user': case 'edit_users': // Allow user to edit itself if ( 'edit_user' == $cap && isset( $args[0] ) && $user_id == $args[0] ) break; // In multisite the user must have manage_network_users caps. If editing a super admin, the user must be a super admin. if ( is_multisite() && ( ( ! is_super_admin( $user_id ) && 'edit_user' === $cap && is_super_admin( $args[0] ) ) || ! user_can( $user_id, 'manage_network_users' ) ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = 'edit_users'; // edit_user maps to edit_users. } break; case 'delete_post': case 'delete_page': $post = get_post( $args[0] ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } if ( 'revision' == $post->post_type ) { $post = get_post( $post->post_parent ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } } if ( ( get_option( 'page_for_posts' ) == $post->ID ) || ( get_option( 'page_on_front' ) == $post->ID ) ) { $caps[] = 'manage_options'; break; } $post_type = get_post_type_object( $post->post_type ); if ( ! $post_type ) { /* translators: 1: post type, 2: capability name */ _doing_it_wrong( __FUNCTION__, sprintf( __( 'The post type %1$s is not registered, so it may not be reliable to check the capability "%2$s" against a post of that type.' ), $post->post_type, $cap ), '4.4.0' ); $caps[] = 'edit_others_posts'; break; } if ( ! $post_type->map_meta_cap ) { $caps[] = $post_type->cap->$cap; // Prior to 3.1 we would re-call map_meta_cap here. if ( 'delete_post' == $cap ) $cap = $post_type->cap->$cap; break; } // If the post author is set and the user is the author... if ( $post->post_author && $user_id == $post->post_author ) { // If the post is published or scheduled... if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->delete_published_posts; } elseif ( 'trash' == $post->post_status ) { $status = get_post_meta( $post->ID, '_wp_trash_meta_status', true ); if ( in_array( $status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->delete_published_posts; } else { $caps[] = $post_type->cap->delete_posts; } } else { // If the post is draft... $caps[] = $post_type->cap->delete_posts; } } else { // The user is trying to edit someone else's post. $caps[] = $post_type->cap->delete_others_posts; // The post is published or scheduled, extra cap required. if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->delete_published_posts; } elseif ( 'private' == $post->post_status ) { $caps[] = $post_type->cap->delete_private_posts; } } /* * Setting the privacy policy page requires `manage_privacy_options`, * so deleting it should require that too. */ if ( (int) get_option( 'wp_page_for_privacy_policy' ) === $post->ID ) { $caps = array_merge( $caps, map_meta_cap( 'manage_privacy_options', $user_id ) ); } break; // edit_post breaks down to edit_posts, edit_published_posts, or // edit_others_posts case 'edit_post': case 'edit_page': $post = get_post( $args[0] ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } if ( 'revision' == $post->post_type ) { $post = get_post( $post->post_parent ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } } $post_type = get_post_type_object( $post->post_type ); if ( ! $post_type ) { /* translators: 1: post type, 2: capability name */ _doing_it_wrong( __FUNCTION__, sprintf( __( 'The post type %1$s is not registered, so it may not be reliable to check the capability "%2$s" against a post of that type.' ), $post->post_type, $cap ), '4.4.0' ); $caps[] = 'edit_others_posts'; break; } if ( ! $post_type->map_meta_cap ) { $caps[] = $post_type->cap->$cap; // Prior to 3.1 we would re-call map_meta_cap here. if ( 'edit_post' == $cap ) $cap = $post_type->cap->$cap; break; } // If the post author is set and the user is the author... if ( $post->post_author && $user_id == $post->post_author ) { // If the post is published or scheduled... if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->edit_published_posts; } elseif ( 'trash' == $post->post_status ) { $status = get_post_meta( $post->ID, '_wp_trash_meta_status', true ); if ( in_array( $status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->edit_published_posts; } else { $caps[] = $post_type->cap->edit_posts; } } else { // If the post is draft... $caps[] = $post_type->cap->edit_posts; } } else { // The user is trying to edit someone else's post. $caps[] = $post_type->cap->edit_others_posts; // The post is published or scheduled, extra cap required. if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->edit_published_posts; } elseif ( 'private' == $post->post_status ) { $caps[] = $post_type->cap->edit_private_posts; } } /* * Setting the privacy policy page requires `manage_privacy_options`, * so editing it should require that too. */ if ( (int) get_option( 'wp_page_for_privacy_policy' ) === $post->ID ) { $caps = array_merge( $caps, map_meta_cap( 'manage_privacy_options', $user_id ) ); } break; case 'read_post': case 'read_page': $post = get_post( $args[0] ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } if ( 'revision' == $post->post_type ) { $post = get_post( $post->post_parent ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } } $post_type = get_post_type_object( $post->post_type ); if ( ! $post_type ) { /* translators: 1: post type, 2: capability name */ _doing_it_wrong( __FUNCTION__, sprintf( __( 'The post type %1$s is not registered, so it may not be reliable to check the capability "%2$s" against a post of that type.' ), $post->post_type, $cap ), '4.4.0' ); $caps[] = 'edit_others_posts'; break; } if ( ! $post_type->map_meta_cap ) { $caps[] = $post_type->cap->$cap; // Prior to 3.1 we would re-call map_meta_cap here. if ( 'read_post' == $cap ) $cap = $post_type->cap->$cap; break; } $status_obj = get_post_status_object( $post->post_status ); if ( $status_obj->public ) { $caps[] = $post_type->cap->read; break; } if ( $post->post_author && $user_id == $post->post_author ) { $caps[] = $post_type->cap->read; } elseif ( $status_obj->private ) { $caps[] = $post_type->cap->read_private_posts; } else { $caps = map_meta_cap( 'edit_post', $user_id, $post->ID ); } break; case 'publish_post': $post = get_post( $args[0] ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } $post_type = get_post_type_object( $post->post_type ); if ( ! $post_type ) { /* translators: 1: post type, 2: capability name */ _doing_it_wrong( __FUNCTION__, sprintf( __( 'The post type %1$s is not registered, so it may not be reliable to check the capability "%2$s" against a post of that type.' ), $post->post_type, $cap ), '4.4.0' ); $caps[] = 'edit_others_posts'; break; } $caps[] = $post_type->cap->publish_posts; break; case 'edit_post_meta': case 'delete_post_meta': case 'add_post_meta': case 'edit_comment_meta': case 'delete_comment_meta': case 'add_comment_meta': case 'edit_term_meta': case 'delete_term_meta': case 'add_term_meta': case 'edit_user_meta': case 'delete_user_meta': case 'add_user_meta': list( $_, $object_type, $_ ) = explode( '_', $cap ); $object_id = (int) $args[0]; $object_subtype = get_object_subtype( $object_type, $object_id ); if ( empty( $object_subtype ) ) { $caps[] = 'do_not_allow'; break; } $caps = map_meta_cap( "edit_{$object_type}", $user_id, $object_id ); $meta_key = isset( $args[1] ) ? $args[1] : false; if ( $meta_key ) { $allowed = ! is_protected_meta( $meta_key, $object_type ); if ( ! empty( $object_subtype ) && has_filter( "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}" ) ) { /** * Filters whether the user is allowed to edit a specific meta key of a specific object type and subtype. * * The dynamic portions of the hook name, `$object_type`, `$meta_key`, * and `$object_subtype`, refer to the metadata object type (comment, post, term or user), * the meta key value, and the object subtype respectively. * * @since 4.9.8 * * @param bool $allowed Whether the user can add the object meta. Default false. * @param string $meta_key The meta key. * @param int $object_id Object ID. * @param int $user_id User ID. * @param string $cap Capability name. * @param string[] $caps Array of the user's capabilities. */ $allowed = apply_filters( "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}", $allowed, $meta_key, $object_id, $user_id, $cap, $caps ); } else { /** * Filters whether the user is allowed to edit a specific meta key of a specific object type. * * Return true to have the mapped meta caps from `edit_{$object_type}` apply. * * The dynamic portion of the hook name, `$object_type` refers to the object type being filtered. * The dynamic portion of the hook name, `$meta_key`, refers to the meta key passed to map_meta_cap(). * * @since 3.3.0 As `auth_post_meta_{$meta_key}`. * @since 4.6.0 * * @param bool $allowed Whether the user can add the object meta. Default false. * @param string $meta_key The meta key. * @param int $object_id Object ID. * @param int $user_id User ID. * @param string $cap Capability name. * @param string[] $caps Array of the user's capabilities. */ $allowed = apply_filters( "auth_{$object_type}_meta_{$meta_key}", $allowed, $meta_key, $object_id, $user_id, $cap, $caps ); } if ( ! empty( $object_subtype ) ) { /** * Filters whether the user is allowed to edit meta for specific object types/subtypes. * * Return true to have the mapped meta caps from `edit_{$object_type}` apply. * * The dynamic portion of the hook name, `$object_type` refers to the object type being filtered. * The dynamic portion of the hook name, `$object_subtype` refers to the object subtype being filtered. * The dynamic portion of the hook name, `$meta_key`, refers to the meta key passed to map_meta_cap(). * * @since 4.6.0 As `auth_post_{$post_type}_meta_{$meta_key}`. * @since 4.7.0 * @deprecated 4.9.8 Use `auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}` * * @param bool $allowed Whether the user can add the object meta. Default false. * @param string $meta_key The meta key. * @param int $object_id Object ID. * @param int $user_id User ID. * @param string $cap Capability name. * @param string[] $caps Array of the user's capabilities. */ $allowed = apply_filters_deprecated( "auth_{$object_type}_{$object_subtype}_meta_{$meta_key}", array( $allowed, $meta_key, $object_id, $user_id, $cap, $caps ), '4.9.8', "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}" ); } if ( ! $allowed ) { $caps[] = $cap; } } break; case 'edit_comment': $comment = get_comment( $args[0] ); if ( ! $comment ) { $caps[] = 'do_not_allow'; break; } $post = get_post( $comment->comment_post_ID ); /* * If the post doesn't exist, we have an orphaned comment. * Fall back to the edit_posts capability, instead. */ if ( $post ) { $caps = map_meta_cap( 'edit_post', $user_id, $post->ID ); } else { $caps = map_meta_cap( 'edit_posts', $user_id ); } break; case 'unfiltered_upload': if ( defined('ALLOW_UNFILTERED_UPLOADS') && ALLOW_UNFILTERED_UPLOADS && ( !is_multisite() || is_super_admin( $user_id ) ) ) $caps[] = $cap; else $caps[] = 'do_not_allow'; break; case 'edit_css' : case 'unfiltered_html' : // Disallow unfiltered_html for all users, even admins and super admins. if ( defined( 'DISALLOW_UNFILTERED_HTML' ) && DISALLOW_UNFILTERED_HTML ) $caps[] = 'do_not_allow'; elseif ( is_multisite() && ! is_super_admin( $user_id ) ) $caps[] = 'do_not_allow'; else $caps[] = 'unfiltered_html'; break; case 'edit_files': case 'edit_plugins': case 'edit_themes': // Disallow the file editors. if ( defined( 'DISALLOW_FILE_EDIT' ) && DISALLOW_FILE_EDIT ) $caps[] = 'do_not_allow'; elseif ( ! wp_is_file_mod_allowed( 'capability_edit_themes' ) ) $caps[] = 'do_not_allow'; elseif ( is_multisite() && ! is_super_admin( $user_id ) ) $caps[] = 'do_not_allow'; else $caps[] = $cap; break; case 'update_plugins': case 'delete_plugins': case 'install_plugins': case 'upload_plugins': case 'update_themes': case 'delete_themes': case 'install_themes': case 'upload_themes': case 'update_core': // Disallow anything that creates, deletes, or updates core, plugin, or theme files. // Files in uploads are excepted. if ( ! wp_is_file_mod_allowed( '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 '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': $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 && ( $term->term_id == get_option( 'default_' . $term->taxonomy ) ) ) { $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 'export_others_personal_data': case 'erase_others_personal_data': case 'manage_privacy_options': $caps[] = is_multisite() ? 'manage_network' : 'manage_options'; break; default: // Handle meta capabilities for custom post types. global $post_type_meta_caps; if ( isset( $post_type_meta_caps[ $cap ] ) ) { $args = array_merge( array( $post_type_meta_caps[ $cap ], $user_id ), $args ); return call_user_func_array( 'map_meta_cap', $args ); } // If no meta caps match, return the original cap. $caps[] = $cap; } /** * Filters a user's capabilities depending on specific context and/or privilege. * * @since 2.8.0 * * @param array $caps Returns the user's actual capabilities. * @param string $cap Capability name. * @param int $user_id The user ID. * @param array $args Adds the context to the cap. Typically the object ID. */ return apply_filters( 'map_meta_cap', $caps, $cap, $user_id, $args ); } /** * Whether the current user has a specific capability. * * 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 * * @see WP_User::has_cap() * @see map_meta_cap() * * @param string $capability Capability name. * @param int $object_id Optional. ID of the specific object to check against if `$capability` is a "meta" cap. * "Meta" capabilities, e.g. 'edit_post', 'edit_user', etc., are capabilities used * by map_meta_cap() to map to other "primitive" capabilities, e.g. 'edit_posts', * 'edit_others_posts', etc. Accessed via func_get_args() and passed to WP_User::has_cap(), * then map_meta_cap(). * @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 ) { $current_user = wp_get_current_user(); if ( empty( $current_user ) ) return false; $args = array_slice( func_get_args(), 1 ); $args = array_merge( array( $capability ), $args ); return call_user_func_array( array( $current_user, 'has_cap' ), $args ); } /** * Whether the current user has a specific capability for a given site. * * @since 3.0.0 * * @param int $blog_id Site ID. * @param string $capability Capability name. * @return bool Whether the user has the given capability. */ function current_user_can_for_blog( $blog_id, $capability ) { $switched = is_multisite() ? switch_to_blog( $blog_id ) : false; $current_user = wp_get_current_user(); if ( empty( $current_user ) ) { if ( $switched ) { restore_current_blog(); } return false; } $args = array_slice( func_get_args(), 2 ); $args = array_merge( array( $capability ), $args ); $can = call_user_func_array( array( $current_user, 'has_cap' ), $args ); if ( $switched ) { restore_current_blog(); } return $can; } /** * Whether the author of the supplied post has a specific capability. * * @since 2.9.0 * * @param int|WP_Post $post Post ID or post object. * @param string $capability Capability name. * @return bool Whether the post author has the given capability. */ function author_can( $post, $capability ) { if ( !$post = get_post($post) ) return false; $author = get_userdata( $post->post_author ); if ( ! $author ) return false; $args = array_slice( func_get_args(), 2 ); $args = array_merge( array( $capability ), $args ); return call_user_func_array( array( $author, 'has_cap' ), $args ); } /** * Whether a particular user has a specific capability. * * @since 3.1.0 * * @param int|WP_User $user User ID or object. * @param string $capability Capability name. * @return bool Whether the user has the given capability. */ function user_can( $user, $capability ) { if ( ! is_object( $user ) ) $user = get_userdata( $user ); if ( ! $user || ! $user->exists() ) return false; $args = array_slice( func_get_args(), 2 ); $args = array_merge( array( $capability ), $args ); return call_user_func_array( array( $user, 'has_cap' ), $args ); } /** * Retrieves the global WP_Roles instance and instantiates it if necessary. * * @since 4.3.0 * * @global WP_Roles $wp_roles WP_Roles global instance. * * @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; } /** * Retrieve 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 ); } /** * Add role, if it does not exist. * * @since 2.0.0 * * @param string $role Role name. * @param string $display_name Display name for role. * @param array $capabilities List of capabilities, e.g. array( 'edit_posts' => true, 'delete_posts' => false ); * @return WP_Role|null WP_Role object if role is added, null if already exists. */ function add_role( $role, $display_name, $capabilities = array() ) { if ( empty( $role ) ) { return; } return wp_roles()->add_role( $role, $display_name, $capabilities ); } /** * Remove role, if it exists. * * @since 2.0.0 * * @param string $role Role name. */ function remove_role( $role ) { wp_roles()->remove_role( $role ); } /** * Retrieve a list of super admins. * * @since 3.0.0 * * @global array $super_admins * * @return array 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') ); } /** * Determine if user is a site admin. * * @since 3.0.0 * * @param int $user_id (Optional) The ID of a user. Defaults to the current user. * @return bool True if the user is a site admin. */ function is_super_admin( $user_id = false ) { if ( ! $user_id || $user_id == get_current_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 ) ) 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 ) ) { $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' ) ) ) { if ( false !== ( $key = array_search( $user->user_login, $super_admins ) ) ) { 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 array $allcaps An array of all the user's capabilities. * @return array 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; }
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