Random sorting of QueryResults in TYPO3 6.2

RandomQueryResult

<?php
 
use TYPO3\CMS\Extbase\Persistence\Generic\QueryResult;
 
class RandomQueryResult extends QueryResult {
 
	/**
	 * Keeps track of, if queryResult has been shuffled
	 */
	protected $shuffled = FALSE;
 
	/**
	 * Loads the objects this QueryResult is supposed to hold
	 *
	 * @return void
	 */
	protected function initialize() {
		parent::initialize();
		if (!$this->shuffled) {
			shuffle($this->queryResult);
			$this->shuffled = TRUE;
		}
	}
}