function findChild(&$arr,$id)
{
$childs=array();
foreach ($arr as $k => $v)
{
if($v['parent_id']== $id)
{
$childs[]=$v;
}
}
return $childs;
}
function findChild(&$arr,$id)
{
$childs=array();
foreach ($arr as $k => $v)
{
if($v['parent_id']== $id)
{
$childs[]=$v;
}
}
return $childs;
}