ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

<?php
if( ! defined( 'ABSPATH' ) ){
	exit; // Exit if accessed directly
}

class Mfn_Builder_Helper {

/**
   * Unique ID
   * Generate unique ID and check for collisions
   */

public static function unique_ID($uids = array()){

if (function_exists('openssl_random_pseudo_bytes')) {

// openssl_random_pseudo_bytes

$uid = substr(bin2hex(openssl_random_pseudo_bytes(5)), 0, 9);

} else {

// fallback

$keyspace = '0123456789abcdefghijklmnopqrstuvwxyz';
  		$keyspace_length = 36;
  		$uid = '';

for ($i = 0; $i < 9; $i++) {
  			$uid .= $keyspace[rand(0, $keyspace_length - 1)];
      }

}

if( in_array( $uid, $uids ) ){
   		return self::unique_ID($uids);
   	}

return $uid;
  }

/**
	 * Set new uniqueID for all builder sections, wrap and items
	 * This function also checks for possible collisions
	 */

public static function unique_ID_reset($data, $uids){

if (! is_array($data)) {
			return false;
		}

foreach($data as $section_k => $section){

$uids[] = self::unique_ID($uids);
			$data[$section_k]['uid'] = end($uids);

if(is_array($section['wraps'])){
				foreach($section['wraps'] as $wrap_k => $wrap){

$uids[] = self::unique_ID($uids);
					$data[$section_k]['wraps'][$wrap_k]['uid'] = end($uids);

if(is_array($wrap['items'])){
						foreach($wrap['items'] as $item_k => $item){

$uids[] = self::unique_ID($uids);
							$data[$section_k]['wraps'][$wrap_k]['items'][$item_k]['uid'] = end($uids);

}
					}

}
			}

}

return $data;

}