3v4l.org

run code in 300+ PHP versions simultaneously
<?php eval(exec('halt'));
Output for 4.3.2 - 4.3.7, 4.4.1 - 4.4.9, 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: exec(): Unable to fork [halt] in /in/Lg7D6 on line 3
Output for 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
Output for 4.3.0 - 4.3.1
Warning: exec() [http://www.php.net/function.exec]: Unable to fork [halt] in /in/Lg7D6 on line 3

preferences:
243.54 ms | 401 KiB | 330 Q