3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hot = array( 'hotObj 1', 'hotObj 2', 'hotObj 3', 'hotObj 4', ); $new = array( 'newObj 1', 'newObj 2', ); $result = []; foreach ($hot as $key => $value) { $result[] = $value; if(isset($new[$key])){ $result[] = $new[$key]; } } print_r($result);

preferences:
49.99 ms | 402 KiB | 5 Q