<?php /** * Build Administration Menu. * * @package WordPress * @subpackage Administration */ if ( is_network_admin() ) { /** * Fires before the administration menu loads in the Network Admin. * * The hook fires before menus and sub-menus are removed based on user privileges. * * @since 3.1.0 * @access private */ do_action( '_network_admin_menu' ); } elseif ( is_user_admin() ) { /** * Fires before the administration menu loads in the User Admin. * * The hook fires before menus and sub-menus are removed based on user privileges. * * @since 3.1.0 * @access private */ do_action( '_user_admin_menu' ); } else { /** * Fires before the administration menu loads in the admin. * * The hook fires before menus and sub-menus are removed based on user privileges. * * @since 2.2.0 * @access private */ do_action( '_admin_menu' ); } // Create list of page plugin hook names. foreach ( $menu as $menu_page ) { $pos = strpos( $menu_page[2], '?' ); if ( false !== $pos ) { // Handle post_type=post|page|foo pages. $hook_name = substr( $menu_page[2], 0, $pos ); $hook_args = substr( $menu_page[2], $pos + 1 ); wp_parse_str( $hook_args, $hook_args ); // Set the hook name to be the post type. if ( isset( $hook_args['post_type'] ) ) { $hook_name = $hook_args['post_type']; } else { $hook_name = basename( $hook_name, '.php' ); } unset( $hook_args ); } else { $hook_name = basename( $menu_page[2], '.php' ); } $hook_name = sanitize_title( $hook_name ); if ( isset( $compat[ $hook_name ] ) ) { $hook_name = $compat[ $hook_name ]; } elseif ( ! $hook_name ) { continue; } $admin_page_hooks[ $menu_page[2] ] = $hook_name; } unset( $menu_page, $compat ); $_wp_submenu_nopriv = array(); $_wp_menu_nopriv = array(); // Loop over submenus and remove pages for which the user does not have privs. foreach ( $submenu as $parent => $sub ) { foreach ( $sub as $index => $data ) { if ( ! current_user_can( $data[1] ) ) { unset( $submenu[ $parent ][ $index ] ); $_wp_submenu_nopriv[ $parent ][ $data[2] ] = true; } } unset( $index, $data ); if ( empty( $submenu[ $parent ] ) ) { unset( $submenu[ $parent ] ); } } unset( $sub, $parent ); /* * Loop over the top-level menu. * Menus for which the original parent is not accessible due to lack of privileges * will have the next submenu in line be assigned as the new menu parent. */ foreach ( $menu as $id => $data ) { if ( empty( $submenu[ $data[2] ] ) ) { continue; } $subs = $submenu[ $data[2] ]; $first_sub = reset( $subs ); $old_parent = $data[2]; $new_parent = $first_sub[2]; /* * If the first submenu is not the same as the assigned parent, * make the first submenu the new parent. */ if ( $new_parent !== $old_parent ) { $_wp_real_parent_file[ $old_parent ] = $new_parent; $menu[ $id ][2] = $new_parent; foreach ( $submenu[ $old_parent ] as $index => $data ) { $submenu[ $new_parent ][ $index ] = $submenu[ $old_parent ][ $index ]; unset( $submenu[ $old_parent ][ $index ] ); } unset( $submenu[ $old_parent ], $index ); if ( isset( $_wp_submenu_nopriv[ $old_parent ] ) ) { $_wp_submenu_nopriv[ $new_parent ] = $_wp_submenu_nopriv[ $old_parent ]; } } } unset( $id, $data, $subs, $first_sub, $old_parent, $new_parent ); if ( is_network_admin() ) { /** * Fires before the administration menu loads in the Network Admin. * * @since 3.1.0 * * @param string $context Empty context. */ do_action( 'network_admin_menu', '' ); } elseif ( is_user_admin() ) { /** * Fires before the administration menu loads in the User Admin. * * @since 3.1.0 * * @param string $context Empty context. */ do_action( 'user_admin_menu', '' ); } else { /** * Fires before the administration menu loads in the admin. * * @since 1.5.0 * * @param string $context Empty context. */ do_action( 'admin_menu', '' ); } /* * Remove menus that have no accessible submenus and require privileges * that the user does not have. Run re-parent loop again. */ foreach ( $menu as $id => $data ) { if ( ! current_user_can( $data[1] ) ) { $_wp_menu_nopriv[ $data[2] ] = true; } /* * If there is only one submenu and it is has same destination as the parent, * remove the submenu. */ if ( ! empty( $submenu[ $data[2] ] ) && 1 === count( $submenu[ $data[2] ] ) ) { $subs = $submenu[ $data[2] ]; $first_sub = reset( $subs ); if ( $data[2] === $first_sub[2] ) { unset( $submenu[ $data[2] ] ); } } // If submenu is empty... if ( empty( $submenu[ $data[2] ] ) ) { // And user doesn't have privs, remove menu. if ( isset( $_wp_menu_nopriv[ $data[2] ] ) ) { unset( $menu[ $id ] ); } } } unset( $id, $data, $subs, $first_sub ); /** * Adds a CSS class to a string. * * @since 2.7.0 * * @param string $class_to_add The CSS class to add. * @param string $classes The string to add the CSS class to. * @return string The string with the CSS class added. */ function add_cssclass( $class_to_add, $classes ) { if ( empty( $classes ) ) { return $class_to_add; } return $classes . ' ' . $class_to_add; } /** * Adds CSS classes for top-level administration menu items. * * The list of added classes includes `.menu-top-first` and `.menu-top-last`. * * @since 2.7.0 * * @param array $menu The array of administration menu items. * @return array The array of administration menu items with the CSS classes added. */ function add_menu_classes( $menu ) { $first_item = false; $last_order = false; $items_count = count( $menu ); $i = 0; foreach ( $menu as $order => $top ) { ++$i; if ( 0 === $order ) { // Dashboard is always shown/single. $menu[0][4] = add_cssclass( 'menu-top-first', $top[4] ); $last_order = 0; continue; } if ( str_starts_with( $top[2], 'separator' ) && false !== $last_order ) { // If separator. $first_item = true; $classes = $menu[ $last_order ][4]; $menu[ $last_order ][4] = add_cssclass( 'menu-top-last', $classes ); continue; } if ( $first_item ) { $first_item = false; $classes = $menu[ $order ][4]; $menu[ $order ][4] = add_cssclass( 'menu-top-first', $classes ); } if ( $i === $items_count ) { // Last item. $classes = $menu[ $order ][4]; $menu[ $order ][4] = add_cssclass( 'menu-top-last', $classes ); } $last_order = $order; } /** * Filters administration menu array with classes added for top-level items. * * @since 2.7.0 * * @param array $menu Associative array of administration menu items. */ return apply_filters( 'add_menu_classes', $menu ); } uksort( $menu, 'strnatcasecmp' ); // Make it all pretty. /** * Filters whether to enable custom ordering of the administration menu. * * See the {@see 'menu_order'} filter for reordering menu items. * * @since 2.8.0 * * @param bool $custom Whether custom ordering is enabled. Default false. */ if ( apply_filters( 'custom_menu_order', false ) ) { $menu_order = array(); foreach ( $menu as $menu_item ) { $menu_order[] = $menu_item[2]; } unset( $menu_item ); $default_menu_order = $menu_order; /** * Filters the order of administration menu items. * * A truthy value must first be passed to the {@see 'custom_menu_order'} filter * for this filter to work. Use the following to enable custom menu ordering: * * add_filter( 'custom_menu_order', '__return_true' ); * * @since 2.8.0 * * @param array $menu_order An ordered array of menu items. */ $menu_order = apply_filters( 'menu_order', $menu_order ); $menu_order = array_flip( $menu_order ); $default_menu_order = array_flip( $default_menu_order ); /** * @global array $menu_order * @global array $default_menu_order * * @param array $a * @param array $b * @return int */ function sort_menu( $a, $b ) { global $menu_order, $default_menu_order; $a = $a[2]; $b = $b[2]; if ( isset( $menu_order[ $a ] ) && ! isset( $menu_order[ $b ] ) ) { return -1; } elseif ( ! isset( $menu_order[ $a ] ) && isset( $menu_order[ $b ] ) ) { return 1; } elseif ( isset( $menu_order[ $a ] ) && isset( $menu_order[ $b ] ) ) { if ( $menu_order[ $a ] === $menu_order[ $b ] ) { return 0; } return ( $menu_order[ $a ] < $menu_order[ $b ] ) ? -1 : 1; } else { return ( $default_menu_order[ $a ] <= $default_menu_order[ $b ] ) ? -1 : 1; } } usort( $menu, 'sort_menu' ); unset( $menu_order, $default_menu_order ); } // Prevent adjacent separators. $prev_menu_was_separator = false; foreach ( $menu as $id => $data ) { if ( false === stristr( $data[4], 'wp-menu-separator' ) ) { // This item is not a separator, so falsey the toggler and do nothing. $prev_menu_was_separator = false; } else { // The previous item was a separator, so unset this one. if ( true === $prev_menu_was_separator ) { unset( $menu[ $id ] ); } // This item is a separator, so truthy the toggler and move on. $prev_menu_was_separator = true; } } unset( $id, $data, $prev_menu_was_separator ); // Remove the last menu item if it is a separator. $last_menu_key = array_keys( $menu ); $last_menu_key = array_pop( $last_menu_key ); if ( ! empty( $menu ) && 'wp-menu-separator' === $menu[ $last_menu_key ][4] ) { unset( $menu[ $last_menu_key ] ); } unset( $last_menu_key ); if ( ! user_can_access_admin_page() ) { /** * Fires when access to an admin page is denied. * * @since 2.5.0 */ do_action( 'admin_page_access_denied' ); wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 ); } $menu = add_menu_classes( $menu );