3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [['Id' => 1], ['As' => 2], ['Id' => 4], 'el']; array_walk($arr, function($v, $k) use ($arr) { if (!is_array($v) || empty($v['Id'])) { unset ($arr[$k]); } // echo $i .' '.$j.PHP_EOL; }); print_r($arr);
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => Array ( [Id] => 1 ) [1] => Array ( [As] => 2 ) [2] => Array ( [Id] => 4 ) [3] => el )
preferences:
160.8 ms | 404 KiB | 257 Q