3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function f($q) { if($q=0) return 1; else return f($q*($q-1)); echo " ".$q." "; } f(5); ?>
Output for 7.0.0 - 7.2.8
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/q4gdG on line 3
Process exited with code 255.
Output for 5.6.0 - 5.6.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/q4gdG on line 3
Process exited with code 255.
Output for 5.5.0 - 5.5.38
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 130968 bytes) in /in/q4gdG on line 4
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/q4gdG on line 4
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/q4gdG on line 4
Process exited with code 255.
Output for 4.3.0 - 5.2.17

Process exited with code 139.