3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function fact($i) { if ($i === 5) { // our base case return '$i is 5'; } else { return fact($i--); // <--calling itself. } } $i = 6; echo fact($i);
based on vnPci
Output for 7.0.0 - 7.1.0
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/jIImN on line 3
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Stack overflow in /in/jIImN on line 7
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.6.7 - 5.6.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 130968 bytes) in /in/jIImN on line 7
Process exited with code 255.
Output for 5.5.24 - 5.5.35
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/jIImN on line 7
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/jIImN on line 7
Process exited with code 255.
Output for 4.3.0 - 5.2.17

Process exited with code 139.