Online PHP editor | output for DUtjV

<?php $arr = array( array('idproduct' => 1, 'amount' => 5), array('idproduct' => 2, 'amount' => 10), array('idproduct' => 3, 'amount' => 11), array('idproduct' => 4, 'amount' => 5) ); addOrOverride($arr, array('idproduct' => 4, 'amount' => 5)); function addOrOverride($arr, $newItem) { $filtered = array_filter(function($item) { $item['idproduct'] != $newItem['idproduct'] }, $arr) if($filtered) die('exists'); }