	protected function _chmod($path, $mode) {
		$modeOct = is_string($mode) ? octdec($mode) : octdec(sprintf("%04o",$mode));
		$ret = @chmod($path, $modeOct);
		$ret && clearstatcache();
		return  $ret;
	}
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.