Online PHP editor | refs for umaG2

<?php function findElementR(&$array, $id) { foreach($array AS &$v){ if($v['id'] == $id){ $v['children'] = []; return $v; } if(!empty($v['children'])){ $_n = findElementR($_n['children'], $id); if(!empty($_n)) return $_n; } } } $ar = [['parentId'=>3,'id'=>1],['parentId'=>3,'id'=>2]]; $n= findElementR($ar,1); print_r($n); $n['children'] = []; print_r($ar);