^^&&^^

Edit File: nav-menu-options.class.php

<?php if ( ! defined( 'ABSPATH' ) ) { die; } // Cannot access directly.

/**

* Nav Menu Options Class

* @since 1.0.0

* @version 1.0.0

if ( ! class_exists( 'CSF_Nav_Menu_Options' ) ) {

class CSF_Nav_Menu_Options extends CSF_Abstract{

// constans

public $unique   = '';

public $abstract = 'menu';

public $sections = array();

public $args     = array(

'data_type'    => 'serialize',

'class'        => '',

'defaults'     => array(),

);

// run menu construct

public function __construct( $key, $params ) {

$this->unique   = $key;

$this->args     = apply_filters( "csf_{$this->unique}_args", wp_parse_args( $params['args'], $this->args ), $this );

$this->sections = apply_filters( "csf_{$this->unique}_sections", $params['sections'], $this );

add_action( 'wp_nav_menu_item_custom_fields', array( $this, 'wp_nav_menu_item_custom_fields' ), 10, 4 );

add_action( 'wp_update_nav_menu_item', array( $this, 'wp_update_nav_menu_item' ), 10, 3 );

add_filter( 'wp_edit_nav_menu_walker', array( $this, 'wp_edit_nav_menu_walker' ), 10, 2 );

}

// instance

public static function instance( $key, $params ) {

return new self( $key, $params );

}

public function wp_edit_nav_menu_walker( $class, $menu_id ) {

global $wp_version;

if( version_compare( $wp_version, '5.4.0', '<' ) ) {

if ( ! class_exists( 'CSF_Walker_Nav_Menu_Edit' ) ) {

CSF::include_plugin_file( 'functions/walker.php' );

}

return 'CSF_Walker_Nav_Menu_Edit';

}

return $class;

}

// get default value

public function get_default( $field ) {

$default = ( isset( $field['default'] ) ) ? $field['default'] : '';

$default = ( isset( $this->args['defaults'][$field['id']] ) ) ? $this->args['defaults'][$field['id']] : $default;

return $default;

}

// get meta value

public function get_meta_value( $menu_item_id, $field ) {

$value = null;

if ( ! empty( $menu_item_id ) && ! empty( $field['id'] ) ) {

if ( $this->args['data_type'] !== 'serialize' ) {

$meta  = get_post_meta( $menu_item_id, $field['id'] );

$value = ( isset( $meta[0] ) ) ? $meta[0] : null;

} else {

$meta  = get_post_meta( $menu_item_id, $this->unique, true );

$value = ( isset( $meta[$field['id']] ) ) ? $meta[$field['id']] : null;

}

$default = ( isset( $field['id'] ) ) ? $this->get_default( $field ) : '';

$value   = ( isset( $value ) ) ? $value : $default;

return $value;

}

public function wp_nav_menu_item_custom_fields( $menu_item_id, $item, $depth, $args ) {

$errors = ( ! empty( $menu_item_id ) ) ? get_post_meta( $menu_item_id, '_csf_errors_'. $this->unique, true ) : array();

$errors = ( ! empty( $errors ) ) ? $errors : array();

$class  = ( $this->args['class'] ) ? ' '. $this->args['class'] : '';

if ( ! empty( $errors ) ) {

delete_post_meta( $menu_item_id, '_csf_errors_'. $this->unique );

}

echo '<div class="csf csf-nav-menu-options'. esc_attr( $class ) .'">';

foreach ( $this->sections as $section ) {

$section_icon  = ( ! empty( $section['icon'] ) ) ? '<i class="csf-nav-menu-icon '. esc_attr( $section['icon'] ) .'"></i>' : '';

$section_title = ( ! empty( $section['title'] ) ) ? $section['title'] : '';

echo '<div class="csf-fields">';

echo ( $section_title || $section_icon ) ? '<div class="csf-nav-menu-title"><h4>'. $section_icon . $section_title .'</h4></div>' : '';

echo ( ! empty( $section['description'] ) ) ? '<div class="csf-field csf-section-description">'. $section['description'] .'</div>' : '';

if ( ! empty( $section['fields'] ) ) {

foreach ( $section['fields'] as $field ) {

if ( ! empty( $field['id'] ) && ! empty( $errors['fields'][$field['id']] ) ) {

$field['_error'] = $errors['fields'][$field['id']];

}

if ( ! empty( $field['id'] ) ) {

$field['default'] = $this->get_default( $field );

}

CSF::field( $field, $this->get_meta_value( $menu_item_id, $field ), $this->unique .'['. $menu_item_id .']', 'menu' );

}

echo '</div>';

}

echo '</div>';

}

public function wp_update_nav_menu_item( $menu_id, $menu_item_db_id, $menu_item_args ) {

$count    = 1;

$data     = array();

$errors   = array();

$noncekey = 'update-nav-menu-nonce';

$nonce    = ( ! empty( $_POST[ $noncekey ] ) ) ? sanitize_text_field( wp_unslash( $_POST[ $noncekey ] ) ) : '';

if ( ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) || ! wp_verify_nonce( $nonce, 'update-nav_menu' ) ) {

return $menu_item_db_id;

}

// XSS ok.

// No worries, This "POST" requests is sanitizing in the below foreach.

$request = ( ! empty( $_POST[ $this->unique ][ $menu_item_db_id ] ) ) ? $_POST[ $this->unique ][ $menu_item_db_id ] : array();

if ( ! empty( $request ) ) {

foreach ( $this->sections as $section ) {

if ( ! empty( $section['fields'] ) ) {

foreach ( $section['fields'] as $field ) {

if ( ! empty( $field['id'] ) ) {

$field_id    = $field['id'];

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

// Sanitize "post" request of field.

if ( ! isset( $field['sanitize'] ) ) {

if( is_array( $field_value ) ) {

$data[$field_id] = wp_kses_post_deep( $field_value );

} else {

$data[$field_id] = wp_kses_post( $field_value );

}

} else if( isset( $field['sanitize'] ) && is_callable( $field['sanitize'] ) ) {

$data[$field_id] = call_user_func( $field['sanitize'], $field_value );

} else {

$data[$field_id] = $field_value;

}

// Validate "post" request of field.

if ( isset( $field['validate'] ) && is_callable( $field['validate'] ) ) {

$has_validated = call_user_func( $field['validate'], $field_value );

if ( ! empty( $has_validated ) ) {

$errors['sections'][$count] = true;

$errors['fields'][$field_id] = $has_validated;

$data[$field_id] = $this->get_meta_value( $menu_item_db_id, $field );

}

$count++;

}

$data = apply_filters( "csf_{$this->unique}_save", $data, $menu_item_db_id, $this );

do_action( "csf_{$this->unique}_save_before", $data, $menu_item_db_id, $this );

if ( empty( $data ) ) {

if ( $this->args['data_type'] !== 'serialize' ) {

foreach ( $data as $key => $value ) {

delete_post_meta( $menu_item_db_id, $key );

}

} else {

delete_post_meta( $menu_item_db_id, $this->unique );

}

} else {

if ( $this->args['data_type'] !== 'serialize' ) {

foreach ( $data as $key => $value ) {

update_post_meta( $menu_item_db_id, $key, $value );

}

} else {

update_post_meta( $menu_item_db_id, $this->unique, $data );

}

if ( ! empty( $errors ) ) {

update_post_meta( $menu_item_db_id, '_csf_errors_'. $this->unique, $errors );

}

do_action( "csf_{$this->unique}_saved", $data, $menu_item_db_id, $this );

do_action( "csf_{$this->unique}_save_after", $data, $menu_item_db_id, $this );

}