3v4l.org

run code in 300+ PHP versions simultaneously
<?php #️⃣ This is a valid comment echo 'Hello world';
Output for 8.1.32 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Hello world
preferences:
54.56 ms | 839 KiB | 4 Q