<?php

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/**

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* Core Navigation Menu API

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*

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* @package WordPress

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* @subpackage Nav_Menus

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* @since 3.0.0

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*/

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/** Walker_Nav_Menu_Edit class */

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require_once ABSPATH . 'wp-admin/includes/class-walker-nav-menu-edit.php';

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/** Walker_Nav_Menu_Checklist class */

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require_once ABSPATH . 'wp-admin/includes/class-walker-nav-menu-checklist.php';

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/**

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* Prints the appropriate response to a menu quick search.

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*

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* @since 3.0.0

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*

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* @param array $request The unsanitized request values.

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*/

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function _wp_ajax_menu_quick_search( $request = array() ) {

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$args = array();

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$type = isset( $request['type'] ) ? $request['type'] : '';

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$object_type = isset( $request['object_type'] ) ? $request['object_type'] : '';

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$query = isset( $request['q'] ) ? $request['q'] : '';

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$response_format = isset( $request['response-format'] ) ? $request['response-format'] : '';

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if ( ! $response_format || ! in_array( $response_format, array( 'json', 'markup' ), true ) ) {

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$response_format = 'json';

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}

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if ( 'markup' === $response_format ) {

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$args['walker'] = new Walker_Nav_Menu_Checklist();

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}

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if ( 'get-post-item' === $type ) {

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if ( post_type_exists( $object_type ) ) {

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if ( isset( $request['ID'] ) ) {

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$object_id = (int) $request['ID'];

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if ( 'markup' === $response_format ) {

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echo walk_nav_menu_tree(

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array_map( 'wp_setup_nav_menu_item', array( get_post( $object_id ) ) ),

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0,

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(object) $args

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);

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} elseif ( 'json' === $response_format ) {

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echo wp_json_encode(

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array(

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'ID' => $object_id,

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'post_title' => get_the_title( $object_id ),

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'post_type' => get_post_type( $object_id ),

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)

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);

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echo "\n";

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}

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}

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} elseif ( taxonomy_exists( $object_type ) ) {

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if ( isset( $request['ID'] ) ) {

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$object_id = (int) $request['ID'];

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if ( 'markup' === $response_format ) {

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echo walk_nav_menu_tree(

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array_map( 'wp_setup_nav_menu_item', array( get_term( $object_id, $object_type ) ) ),

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0,

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(object) $args

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);

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} elseif ( 'json' === $response_format ) {

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$post_obj = get_term( $object_id, $object_type );

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echo wp_json_encode(

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array(

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'ID' => $object_id,

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'post_title' => $post_obj->name,

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'post_type' => $object_type,

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)

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);

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echo "\n";

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}

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}

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}

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} elseif ( preg_match( '/quick-search-(posttype|taxonomy)-([a-zA-Z0-9_-]*\b)/', $type, $matches ) ) {

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if ( 'posttype' === $matches[1] && get_post_type_object( $matches[2] ) ) {

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$post_type_obj = _wp_nav_menu_meta_box_object( get_post_type_object( $matches[2] ) );

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$query_args = array(

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'no_found_rows' => true,

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'update_post_meta_cache' => false,

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'update_post_term_cache' => false,

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'posts_per_page' => 10,

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'post_type' => $matches[2],

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's' => $query,

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'search_columns' => array( 'post_title' ),

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);

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/**

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* Filter the menu quick search arguments.

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*

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* @since 6.9.0

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*

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* @param array $args {

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* Menu quick search arguments.

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*

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* @type boolean $no_found_rows Whether to return found rows data. Default true.

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* @type boolean $update_post_meta_cache Whether to update post meta cache. Default false.

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* @type boolean $update_post_term_cache Whether to update post term cache. Default false.

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* @type int $posts_per_page Number of posts to return. Default 10.

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* @type string $post_type Type of post to return.

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* @type string $s Search query.

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* @type array $search_columns Which post table columns to query.

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* }

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*/

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$query_args = apply_filters( 'wp_ajax_menu_quick_search_args', $query_args );

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$args = array_merge( $args, $query_args );

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if ( isset( $post_type_obj->_default_query ) ) {

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$args = array_merge( $args, (array) $post_type_obj->_default_query );

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}

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$search_results_query = new WP_Query( $args );

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if ( ! $search_results_query->have_posts() ) {

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return;

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}

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while ( $search_results_query->have_posts() ) {

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$post = $search_results_query->next_post();

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if ( 'markup' === $response_format ) {

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$var_by_ref = $post->ID;

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echo walk_nav_menu_tree(

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array_map( 'wp_setup_nav_menu_item', array( get_post( $var_by_ref ) ) ),

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0,

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(object) $args

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);

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} elseif ( 'json' === $response_format ) {

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echo wp_json_encode(

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array(

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'ID' => $post->ID,

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'post_title' => get_the_title( $post->ID ),

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'post_type' => $matches[2],

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)

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);

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echo "\n";

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}

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}

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} elseif ( 'taxonomy' === $matches[1] ) {

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$terms = get_terms(

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array(

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'taxonomy' => $matches[2],

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'name__like' => $query,

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'number' => 10,

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'hide_empty' => false,

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)

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);

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if ( empty( $terms ) || is_wp_error( $terms ) ) {

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return;

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}

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foreach ( (array) $terms as $term ) {

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if ( 'markup' === $response_format ) {

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echo walk_nav_menu_tree(

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array_map( 'wp_setup_nav_menu_item', array( $term ) ),

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0,

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(object) $args

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);

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} elseif ( 'json' === $response_format ) {

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echo wp_json_encode(

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array(

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'ID' => $term->term_id,

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'post_title' => $term->name,

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'post_type' => $matches[2],

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)

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);

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echo "\n";

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}

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}

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}

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}

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}

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/**

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* Register nav menu meta boxes and advanced menu items.

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*

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* @since 3.0.0

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*/

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function wp_nav_menu_setup() {

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// Register meta boxes.

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wp_nav_menu_post_type_meta_boxes();

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add_meta_box(

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'add-custom-links',

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__( 'Custom Links' ),

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'wp_nav_menu_item_link_meta_box',

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'nav-menus',

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'side',

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'default'

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);

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wp_nav_menu_taxonomy_meta_boxes();

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// Register advanced menu items (columns).

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add_filter( 'manage_nav-menus_columns', 'wp_nav_menu_manage_columns' );

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// If first time editing, disable advanced items by default.

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if ( false === get_user_option( 'managenav-menuscolumnshidden' ) ) {

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$user = wp_get_current_user();

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update_user_meta(

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$user->ID,

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'managenav-menuscolumnshidden',

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array(

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0 => 'link-target',

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1 => 'css-classes',

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2 => 'xfn',

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3 => 'description',

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4 => 'title-attribute',

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)

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);

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}

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}

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/**

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* Limit the amount of meta boxes to pages, posts, links, and categories for first time users.

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*

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* @since 3.0.0

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*

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* @global array $wp_meta_boxes Global meta box state.

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*/

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function wp_initial_nav_menu_meta_boxes() {

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global $wp_meta_boxes;

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if ( get_user_option( 'metaboxhidden_nav-menus' ) !== false || ! is_array( $wp_meta_boxes ) ) {

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return;

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}

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$initial_meta_boxes = array( 'add-post-type-page', 'add-post-type-post', 'add-custom-links', 'add-category' );

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$hidden_meta_boxes = array();

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foreach ( array_keys( $wp_meta_boxes['nav-menus'] ) as $context ) {

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foreach ( array_keys( $wp_meta_boxes['nav-menus'][ $context ] ) as $priority ) {

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foreach ( $wp_meta_boxes['nav-menus'][ $context ][ $priority ] as $box ) {

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if ( in_array( $box['id'], $initial_meta_boxes, true ) ) {

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unset( $box['id'] );

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} else {

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$hidden_meta_boxes[] = $box['id'];

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}

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}

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}

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}

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$user = wp_get_current_user();

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update_user_meta( $user->ID, 'metaboxhidden_nav-menus', $hidden_meta_boxes );

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}

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/**

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* Creates meta boxes for any post type menu item..

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*

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* @since 3.0.0

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*/

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function wp_nav_menu_post_type_meta_boxes() {

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$post_types = get_post_types( array( 'show_in_nav_menus' => true ), 'object' );

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if ( ! $post_types ) {

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return;

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}

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foreach ( $post_types as $post_type ) {

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/**

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* Filters whether a menu items meta box will be added for the current

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* object type.

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*

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* If a falsey value is returned instead of an object, the menu items

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* meta box for the current meta box object will not be added.

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*

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* @since 3.0.0

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*

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* @param WP_Post_Type|false $post_type The current object to add a menu items

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* meta box for.

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*/

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$post_type = apply_filters( 'nav_menu_meta_box_object', $post_type );

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if ( $post_type ) {

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$id = $post_type->name;

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// Give pages a higher priority.

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$priority = ( 'page' === $post_type->name ? 'core' : 'default' );

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add_meta_box(

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"add-post-type-{$id}",

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$post_type->labels->name,

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'wp_nav_menu_item_post_type_meta_box',

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'nav-menus',

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'side',

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$priority,

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$post_type

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);

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}

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}

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}

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/**

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* Creates meta boxes for any taxonomy menu item.

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*

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* @since 3.0.0

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*/

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function wp_nav_menu_taxonomy_meta_boxes() {

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$taxonomies = get_taxonomies( array( 'show_in_nav_menus' => true ), 'object' );

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if ( ! $taxonomies ) {

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return;

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}

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foreach ( $taxonomies as $tax ) {

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/** This filter is documented in wp-admin/includes/nav-menu.php */

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$tax = apply_filters( 'nav_menu_meta_box_object', $tax );

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if ( $tax ) {

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$id = $tax->name;

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add_meta_box(

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"add-{$id}",

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$tax->labels->name,

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'wp_nav_menu_item_taxonomy_meta_box',

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'nav-menus',

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'side',

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'default',

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$tax

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);

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}

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}

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}

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[325] Fix | Delete

/**

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* Check whether to disable the Menu Locations meta box submit button and inputs.

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*

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* @since 3.6.0

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* @since 5.3.1 The `$display` parameter was added.

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*

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* @global bool $one_theme_location_no_menus to determine if no menus exist

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*

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* @param int|string $nav_menu_selected_id ID, name, or slug of the currently selected menu.

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* @param bool $display Whether to display or just return the string.

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* @return string|false Disabled attribute if at least one menu exists, false if not.

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*/

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function wp_nav_menu_disabled_check( $nav_menu_selected_id, $display = true ) {

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global $one_theme_location_no_menus;

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if ( $one_theme_location_no_menus ) {

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return false;

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}

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return disabled( $nav_menu_selected_id, 0, $display );

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}

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/**

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* Displays a meta box for the custom links menu item.

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*

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* @since 3.0.0

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*

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* @global int $_nav_menu_placeholder

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* @global int|string $nav_menu_selected_id

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*/

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function wp_nav_menu_item_link_meta_box() {

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global $_nav_menu_placeholder, $nav_menu_selected_id;

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$_nav_menu_placeholder = 0 > $_nav_menu_placeholder ? $_nav_menu_placeholder - 1 : -1;

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[360] Fix | Delete

?>

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<div class="customlinkdiv" id="customlinkdiv">

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<input type="hidden" value="custom" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-type]" />

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<p id="menu-item-url-wrap" class="wp-clearfix">

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<label class="howto" for="custom-menu-item-url"><?php _e( 'URL' ); ?></label>

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<input id="custom-menu-item-url" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-url]"

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type="text"<?php wp_nav_menu_disabled_check( $nav_menu_selected_id ); ?>

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class="code menu-item-textbox form-required" placeholder="https://"

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/>

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<span id="custom-url-error" class="error-message" style="display: none;"><?php _e( 'Please provide a valid link.' ); ?></span>

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</p>

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<p id="menu-item-name-wrap" class="wp-clearfix">

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<label class="howto" for="custom-menu-item-name"><?php _e( 'Link Text' ); ?></label>

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<input id="custom-menu-item-name" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-title]"

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type="text"<?php wp_nav_menu_disabled_check( $nav_menu_selected_id ); ?>

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class="regular-text menu-item-textbox"

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/>

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</p>

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<p class="button-controls wp-clearfix">

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<span class="add-to-menu">

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<input id="submit-customlinkdiv" name="add-custom-menu-item"

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type="submit"<?php wp_nav_menu_disabled_check( $nav_menu_selected_id ); ?>

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class="button submit-add-to-menu right" value="<?php esc_attr_e( 'Add to Menu' ); ?>"

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/>

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<span class="spinner"></span>

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</span>

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</p>

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[390] Fix | Delete

</div><!-- /.customlinkdiv -->

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<?php

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}

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[394] Fix | Delete

/**

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* Displays a meta box for a post type menu item.

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*

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* @since 3.0.0

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*

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* @global int $_nav_menu_placeholder

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* @global int|string $nav_menu_selected_id

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*

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* @param string $data_object Not used.

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* @param array $box {

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* Post type menu item meta box arguments.

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*

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* @type string $id Meta box 'id' attribute.

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* @type string $title Meta box title.

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* @type callable $callback Meta box display callback.

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* @type WP_Post_Type $args Extra meta box arguments (the post type object for this meta box).

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* }

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*/

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function wp_nav_menu_item_post_type_meta_box( $data_object, $box ) {

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global $_nav_menu_placeholder, $nav_menu_selected_id;

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$post_type_name = $box['args']->name;

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$post_type = get_post_type_object( $post_type_name );

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$tab_name = $post_type_name . '-tab';

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// Paginate browsing for large numbers of post objects.

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$per_page = 50;

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$pagenum = isset( $_REQUEST[ $tab_name ] ) && isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 1;

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$offset = 0 < $pagenum ? $per_page * ( $pagenum - 1 ) : 0;

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$args = array(

[425] Fix | Delete

'offset' => $offset,

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'order' => 'ASC',

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'orderby' => 'title',

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'posts_per_page' => $per_page,

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'post_type' => $post_type_name,

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'suppress_filters' => true,

[431] Fix | Delete

'update_post_term_cache' => false,

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'update_post_meta_cache' => false,

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);

[434] Fix | Delete

[435] Fix | Delete

if ( isset( $box['args']->_default_query ) ) {

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$args = array_merge( $args, (array) $box['args']->_default_query );

[437] Fix | Delete

}

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/*

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* If we're dealing with pages, let's prioritize the Front Page,

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* Posts Page and Privacy Policy Page at the top of the list.

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*/

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$important_pages = array();

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if ( 'page' === $post_type_name ) {

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$suppress_page_ids = array();

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// Insert Front Page or custom Home link.

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$front_page = 'page' === get_option( 'show_on_front' ) ? (int) get_option( 'page_on_front' ) : 0;

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$front_page_obj = null;

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if ( ! empty( $front_page ) ) {

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$front_page_obj = get_post( $front_page );

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}

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if ( $front_page_obj ) {

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$front_page_obj->front_or_home = true;

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$important_pages[] = $front_page_obj;

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$suppress_page_ids[] = $front_page_obj->ID;

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} else {

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$_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? (int) $_nav_menu_placeholder - 1 : -1;

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$front_page_obj = (object) array(

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'front_or_home' => true,

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'ID' => 0,

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'object_id' => $_nav_menu_placeholder,

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'post_content' => '',

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'post_excerpt' => '',

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'post_parent' => '',

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'post_title' => _x( 'Home', 'nav menu home label' ),

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'post_type' => 'nav_menu_item',

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'type' => 'custom',

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'url' => home_url( '/' ),

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);

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$important_pages[] = $front_page_obj;

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}

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// Insert Posts Page.

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$posts_page = 'page' === get_option( 'show_on_front' ) ? (int) get_option( 'page_for_posts' ) : 0;

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if ( ! empty( $posts_page ) ) {

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$posts_page_obj = get_post( $posts_page );

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if ( $posts_page_obj ) {

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$front_page_obj->posts_page = true;

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$important_pages[] = $posts_page_obj;

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$suppress_page_ids[] = $posts_page_obj->ID;

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}

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}

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// Insert Privacy Policy Page.

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$privacy_policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' );

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if ( ! empty( $privacy_policy_page_id ) ) {

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$privacy_policy_page = get_post( $privacy_policy_page_id );

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