/**
* @ignore
*
* @param array $ret Return value
* @param array $Tree Tree segment
* @param string $childrenId Children key in Element array
* @param string $levelId A key to set with element's depth level value
*
* @author cloud
* @access public
*/
protected static function _Tree2Line(&$ret, &$Tree, $childrenId, $levelId, $Level = 0)
{
foreach (array_keys($Tree) as $i) {
$ret[$i] = $Tree[$i];
unset($ret[$i][$childrenId]);
$ret[$i][$levelId] = $Level;
if (isset($Tree[$i][$childrenId])) {
Oops_Utils::_Tree2Line($ret, $Tree[$i][$childrenId], $childrenId, $levelId, $Level + 1);
}
}
}
