3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo nek(2); function nek($i) { if ($i <= 1) return 1; return $i * nek($i); }
Output for 7.0.0 - 7.2.0
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/ohoVT on line 6
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 130968 bytes) in /in/ohoVT on line 9
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 523800 bytes) in /in/ohoVT on line 9
Process exited with code 255.
Output for 4.3.0 - 5.2.17

Process exited with code 139.