3v4l.org

run code in 300+ PHP versions simultaneously
<?php foreach(array('100', '1000', '2000', '3000') as $_GET['id']){ if(!isset($_GET['id']) || !in_array($_GET['id'], array('1000', '2000'))){ echo 'not 1k or 2 k' . $_GET['id'] . PHP_EOL; } else { echo 'is 1k or 2k' . $_GET['id'] . PHP_EOL; } }

preferences:
62.31 ms | 402 KiB | 5 Q