Online PHP editor | refs for eFCNi

<?php $predefined=array(array("a","s"),array("b","s"), array("c","s"), array("e","s")); $return_arr=array(array("b","s"),array("c","s")); foreach($predefined as &$v) { $duplicate = false; foreach($return_arr as &$m) { if ($v['t'] === $m['t'] && $v['b'] !== $m['b']) $duplicate = true; } if($duplicate === true) $tmpArray[] = $m; if($duplicate === false) $tmpArray[] = $v; }; print_r($ids);