3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo '' ?: 'second' ?? 'third';
Output for 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
second
preferences:
46.42 ms | 698 KiB | 4 Q