/class/DirectoryOperations/Strategy/Chmod.php

<?php
/** For UTF-8: äöü */
/**
 * Description of Chmod
 *
 * @author Paul Schramenko
 */
class DirectoryOperations_Strategy_Chmod extends DirectoryOperations_Strategy_Abstract
{
    public function run(DirectoryOperations_Api_Abstract $obj)
    {
        if (is_file($obj->getPath())) {
            $this->_do($obj, new SplFileInfo($obj->getPath()));
        }

        return $obj->getOutputData();
    }

    public function _do(DirectoryOperations_Api_Abstract $obj, SplFileInfo $fileinfo)
    {
        chmod($fileinfo->getPath() . '/' . $fileinfo->getFilename(), 0777);
        parent::_do($obj, $fileinfo);
    }
}