3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($i=0; $i<15; $i++){ echo "[".$i."]\n"; sleep(1); }
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.27, 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
[0] [1] [2]
Process exited with code 137.
preferences:
139.29 ms | 403 KiB | 197 Q