3v4l.org

run code in 300+ PHP versions simultaneously
<?php function w() { sleep(1); } for ($i=0;$i<5;$i++) { echo date('H:i:s'); w(); }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
09:21:3209:21:3309:21:34
Process exited with code 137.
Output for 7.3.32 - 7.3.33, 8.0.13
08:21:3208:21:3308:21:34
Process exited with code 137.
preferences:
199.2 ms | 401 KiB | 223 Q