384 lines
9.4 KiB
PHP
384 lines
9.4 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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* @since 3.1.0
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* @access private
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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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* @since 3.1.0
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* @access private
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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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* @since 2.2.0
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* @access private
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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 $menu_page ) {
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$pos = strpos( $menu_page[2], '?' );
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if ( false !== $pos ) {
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// Handle post_type=post|page|foo pages.
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$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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}
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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 ( ! $hook_name ) {
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continue;
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}
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$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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}
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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[ $data[2] ] ) ) {
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continue;
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}
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$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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}
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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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/*
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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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}
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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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* Adds a CSS class to a string.
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*
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* @since 2.7.0
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*
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* @param string $class_to_add The CSS class to add.
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* @param string $classes The string to add the CSS class to.
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* @return string The string with the CSS class added.
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*/
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function add_cssclass( $class_to_add, $classes ) {
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if ( empty( $classes ) ) {
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return $class_to_add;
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}
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return $classes . ' ' . $class_to_add;
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}
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/**
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* Adds CSS classes for top-level administration menu items.
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*
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* The list of added classes includes `.menu-top-first` and `.menu-top-last`.
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*
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* @since 2.7.0
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*
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* @param array $menu The array of administration menu items.
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* @return array The array of administration menu items with the CSS classes added.
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*/
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function add_menu_classes( $menu ) {
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$first_item = false;
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$last_order = false;
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$items_count = count( $menu );
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$i = 0;
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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', $top[4] );
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$last_order = 0;
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continue;
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}
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if ( str_starts_with( $top[2], 'separator' ) && false !== $last_order ) { // If separator.
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$first_item = true;
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$classes = $menu[ $last_order ][4];
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$menu[ $last_order ][4] = add_cssclass( 'menu-top-last', $classes );
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continue;
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}
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if ( $first_item ) {
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$first_item = false;
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$classes = $menu[ $order ][4];
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$menu[ $order ][4] = add_cssclass( 'menu-top-first', $classes );
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}
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if ( $i === $items_count ) { // Last item.
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$classes = $menu[ $order ][4];
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$menu[ $order ][4] = add_cssclass( 'menu-top-last', $classes );
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}
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$last_order = $order;
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}
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/**
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* Filters administration menu 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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* @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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}
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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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}
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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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