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