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- <?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.
- *
- * @private
- * @since 3.1.0
- */
- 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.
- *
- * @private
- * @since 3.1.0
- */
- 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.
- *
- * @private
- * @since 2.2.0
- */
- do_action( '_admin_menu' );
- }
-
- // Create list of page plugin hook names.
- foreach ($menu as $menu_page) {
- if ( false !== $pos = strpos($menu_page[2], '?') ) {
- // 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);
-
- /**
- *
- * @param string $add
- * @param string $class
- * @return string
- */
- function add_cssclass($add, $class) {
- $class = empty($class) ? $add : $class .= ' ' . $add;
- return $class;
- }
-
- /**
- *
- * @param array $menu
- * @return array
- */
- function add_menu_classes($menu) {
- $first = $lastorder = false;
- $i = 0;
- $mc = count($menu);
- foreach ( $menu as $order => $top ) {
- $i++;
-
- if ( 0 == $order ) { // dashboard is always shown/single
- $menu[0][4] = add_cssclass('menu-top-first', $top[4]);
- $lastorder = 0;
- continue;
- }
-
- if ( 0 === strpos($top[2], 'separator') && false !== $lastorder ) { // if separator
- $first = true;
- $c = $menu[$lastorder][4];
- $menu[$lastorder][4] = add_cssclass('menu-top-last', $c);
- continue;
- }
-
- if ( $first ) {
- $c = $menu[$order][4];
- $menu[$order][4] = add_cssclass('menu-top-first', $c);
- $first = false;
- }
-
- if ( $mc == $i ) { // last item
- $c = $menu[$order][4];
- $menu[$order][4] = add_cssclass('menu-top-last', $c);
- }
-
- $lastorder = $order;
- }
-
- /**
- * Filters administration menus 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);
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