CMedialib::_findChildInColTree

static function _findChildInColTree(&$arr, $id, $colId)
{
	for ($i = 0, $l = count($arr); $i < $l; $i++)
	{
		if ($arr[$i]['id'] == $id)
		{
			$arr[$i]['child'][] = array('id' => $colId, 'child' => array());
			return true;
		}
		else if (count($arr[$i]['child']) > 0)
		{
			if (CMedialib::_findChildInColTree($arr[$i]['child'], $id, $colId))
				return true;
		}
	}
	return false;
}