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<?php

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/**

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* Modules for menus

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* @package PUM

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if ( ! defined( 'ABSPATH' ) ) {

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exit;

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}

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/**

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* Class PUM_Modules_Menu

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* This class handles the menu editor fields & adds popup classes to menu items.

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class PUM_Modules_Menu {

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/**

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* Initializes this module.

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public static function init() {

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add_filter( 'popmake_settings_misc', [ __CLASS__, 'settings' ] );

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if ( PUM_Utils_Options::get( 'disabled_menu_editor', false ) ) {

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return;

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}

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// Merge Menu Item Options

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add_filter( 'wp_setup_nav_menu_item', [ __CLASS__, 'merge_item_data' ] );

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// Admin Menu Editor

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add_filter( 'wp_edit_nav_menu_walker', [ __CLASS__, 'nav_menu_walker' ], 999999999 );

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// Admin Menu Editor Fields.

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add_action( 'wp_nav_menu_item_custom_fields', [ __CLASS__, 'fields' ], 10, 4 );

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add_action( 'wp_update_nav_menu_item', [ __CLASS__, 'save' ], 10, 2 );

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add_filter( 'manage_nav-menus_columns', [ __CLASS__, 'nav_menu_columns' ], 11 );

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}

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public static function settings( $settings ) {

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return array_merge(

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$settings,

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[

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'disabled_menu_editor' => [

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'id' => 'disabled_menu_editor',

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'name' => __( 'Disable Popups Menu Editor', 'popup-maker' ),

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'desc' => sprintf(

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esc_html_x( 'Use this if there is a conflict with your theme or another plugin in the nav menu editor. %1$sLearn more%2$s', '%s represent opening and closing link html', 'popup-maker' ),

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'<a href="https://docs.wppopupmaker.com/article/297-popup-maker-is-overwriting-my-menu-editor-functions-how-can-i-fix-this?utm_campaign=contextual-help&utm_medium=inline-doclink&utm_source=settings-page&utm_content=disable-popup-menu-editor" target="_blank" rel="noreferrer noopener">',

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'</a>'

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'type' => 'checkbox',

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]

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);

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}

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public static function nav_menu_columns( $columns = [] ) {

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$columns['popup_id'] = __( 'Popup', 'popup-maker' );

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return $columns;

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}

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/**

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* Override the Admin Menu Walker

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* @param $walker

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* @return string

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public static function nav_menu_walker( $walker ) {

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global $wp_version;

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$bail_early = [

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// WP 5.4 adds support for custom fields, no need to do this hack at all.

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version_compare( $wp_version, '5.4', '>=' ),

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// not sure about this one, was part of the original solution.

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doing_filter( 'plugins_loaded' ),

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// No need if its already loaded by another plugin.

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'Walker_Nav_Menu_Edit_Custom_Fields' === $walker,

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];

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if ( in_array( true, $bail_early ) ) {

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return $walker;

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}

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// Load custom nav menu walker class for custom field compatibility.

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if ( ! class_exists( 'Walker_Nav_Menu_Edit_Custom_Fields' ) ) {

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if ( version_compare( $wp_version, '3.6', '>=' ) ) {

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require_once POPMAKE_DIR . '/includes/modules/menus/class-nav-menu-edit-custom-fields.php';

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} else {

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require_once POPMAKE_DIR . '/includes/modules/menus/class-nav-menu-edit-custom-fields-deprecated.php';

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}

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}

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return 'Walker_Nav_Menu_Edit_Custom_Fields';

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}

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/**

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* Merge Item data into the $item object.

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* @param $item

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* @return mixed

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public static function merge_item_data( $item ) {

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if ( ! is_object( $item ) || ! isset( $item->ID ) || $item->ID <= 0 ) {

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return $item;

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}

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// Merge Rules.

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foreach ( self::get_item_options( $item->ID ) as $key => $value ) {

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$item->$key = $value;

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}

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if ( is_admin() ) {

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return $item;

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}

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if ( isset( $item->popup_id ) ) {

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$item->classes[] = 'popmake-' . $item->popup_id;

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}

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/**

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* Check menu item's classes for popmake-###. Do this after the above conditional to catch the class we add too.

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* Tested both using strpos followed by preg_match as well as just doing preg_match on all and this solution

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* was just a tiny bit faster. But, if a site has 100 menu items, that tiny difference will add up.

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foreach ( $item->classes as $class ) {

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if ( strpos( $class, 'popmake-' ) !== false ) {

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if ( 0 !== preg_match( '/popmake-(\d+)/', $class, $matches ) ) {

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PUM_Site_Popups::preload_popup_by_id_if_enabled( $matches[1] );

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}

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}

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}

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return $item;

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}

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/**

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* @param int $item_id

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* @return array

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public static function get_item_options( $item_id = 0 ) {

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// Fetch all rules for this menu item.

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$item_options = get_post_meta( $item_id, '_pum_nav_item_options', true );

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return self::parse_item_options( $item_options );

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}

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/**

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* @param array $options

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* @return array

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public static function parse_item_options( $options = [] ) {

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if ( ! is_array( $options ) ) {

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$options = [];

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}

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return wp_parse_args(

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$options,

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[

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'popup_id' => null,

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]

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);

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}

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/**

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* Adds custom fields to the menu item editor.

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* @param $item_id

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* @param $item

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* @param $depth

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* @param $args

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public static function fields( $item_id, $item, $depth, $args ) {

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wp_nonce_field( 'pum-menu-editor-nonce', 'pum-menu-editor-nonce' ); ?>

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<?php _e( 'Trigger a Popup', 'popup-maker' ); ?><br />

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<select name="menu-item-pum[<?php echo $item->ID; ?>][popup_id]" id="edit-menu-item-popup_id-<?php echo $item->ID; ?>" class="widefat edit-menu-item-popup_id">

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<?php foreach ( self::popup_list() as $option => $label ) : ?>

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<option value="<?php echo $option; ?>" <?php selected( $option, $item->popup_id ); ?>>

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<?php echo esc_html( $label ); ?>

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</option>

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<?php endforeach; ?>

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</select>

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</label>

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</p>

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<?php

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}

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/**

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* Returns a list of popups for a dropdown.

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* @return array

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public static function popup_list() {

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static $popup_list;

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if ( ! isset( $popup_list ) ) {

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$popup_list = [];

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$popups = pum_get_all_popups();

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if ( ! empty( $popups ) ) {

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foreach ( $popups as $popup ) {

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$popup_list[ $popup->ID ] = $popup->post_title;

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}

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}

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}

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return $popup_list;

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}

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/**

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* Processes the saving of menu items.

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* @param $menu_id

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* @param $item_id

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public static function save( $menu_id, $item_id ) {

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$popups = self::popup_list();

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$allowed_popups = wp_parse_id_list( array_keys( $popups ) );

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if ( ! isset( $_POST['pum-menu-editor-nonce'] ) || ! wp_verify_nonce( $_POST['pum-menu-editor-nonce'], 'pum-menu-editor-nonce' ) ) {

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return;

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}

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/**

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* Return early if there are no settings.

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if ( empty( $_POST['menu-item-pum'][ $item_id ] ) ) {

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delete_post_meta( $item_id, '_pum_nav_item_options' );

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return;

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}

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/**

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* Parse options array for valid keys.

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$item_options = self::parse_item_options( $_POST['menu-item-pum'][ $item_id ] );

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/**

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* Check for invalid values.

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if ( ! in_array( $item_options['popup_id'], $allowed_popups ) || $item_options['popup_id'] <= 0 ) {

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unset( $item_options['popup_id'] );

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}

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/**

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* Remove empty options to save space.

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$item_options = array_filter( $item_options );

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/**

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* Save options or delete if empty.

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if ( ! empty( $item_options ) ) {

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update_post_meta( $item_id, '_pum_nav_item_options', $item_options );

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} else {

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delete_post_meta( $item_id, '_pum_nav_item_options' );

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}

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}

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}

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PUM_Modules_Menu::init();

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