Chris@0: <?php
Chris@0: /**
Chris@0:  * Zend Framework (http://framework.zend.com/)
Chris@0:  *
Chris@0:  * @link      http://github.com/zendframework/zf2 for the canonical source repository
Chris@0:  * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
Chris@0:  * @license   http://framework.zend.com/license/new-bsd New BSD License
Chris@0:  */
Chris@0: 
Chris@0: namespace Zend\Stdlib;
Chris@0: 
Chris@0: use Serializable;
Chris@0: 
Chris@0: /**
Chris@0:  * Serializable version of SplQueue
Chris@0:  */
Chris@0: class SplQueue extends \SplQueue implements Serializable
Chris@0: {
Chris@0:     /**
Chris@0:      * Return an array representing the queue
Chris@0:      *
Chris@0:      * @return array
Chris@0:      */
Chris@0:     public function toArray()
Chris@0:     {
Chris@0:         $array = [];
Chris@0:         foreach ($this as $item) {
Chris@0:             $array[] = $item;
Chris@0:         }
Chris@0:         return $array;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Serialize
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     public function serialize()
Chris@0:     {
Chris@0:         return serialize($this->toArray());
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Unserialize
Chris@0:      *
Chris@0:      * @param  string $data
Chris@0:      * @return void
Chris@0:      */
Chris@0:     public function unserialize($data)
Chris@0:     {
Chris@0:         foreach (unserialize($data) as $item) {
Chris@0:             $this->push($item);
Chris@0:         }
Chris@0:     }
Chris@0: }