Online PHP editor | refs for q26Ii

<?php $approval_users =[ ['user_id'=>1, 'username'=>'saadat'], ['user_id'=>2, 'username'=>'aamir'], ]; $approved_users = [ ['user_id'=>1, 'username'=>'saadat'], ['user_id'=>3, 'username'=>'demo'], ]; $approval_users_ids = array_column($approval_users, 'user_id'); $results = []; foreach($approved_users as $user){ if(!in_array($user['user_id'],$approval_users_ids)) $results[]=$user; } print_r($results);