3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 'go forrest' . PHP_EOL; function recursiveFunction($value = 100) { if ($value % 2 < 2) { return $value; } return recursiveFunction($value % 2); } echo recursiveFunction(1000000) . PHP_EOL; echo 'stop forrest' . PHP_EOL;
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 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
go forrest 1000000 stop forrest
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/57q1n on line 3 go forrestPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/57q1n on line 10 1000000PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/57q1n on line 11 stop forrestPHP_EOL
preferences:
328.16 ms | 402 KiB | 459 Q