3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array(); $t = microtime(true); for ($i = 0; $i < 10000000; ++$i) $a[] = rand(); echo (microtime(true) - $t) / 1000000;
based on bB6vK
Output for 7.0.0 - 7.2.6
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 67108872 bytes) in /in/dOto0 on line 8
Process exited with code 255.
Output for hhvm-3.15.4

Process exited with code 139.
Output for 5.6.0 - 5.6.30
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/dOto0 on line 8
Process exited with code 255.