3v4l.org

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