3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(1, 2, 3); foreach($a as $k => &$v) { $a[] = $v; }
Output for 7.0.0 - 7.1.0
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 67108872 bytes) in /in/Z3QmI on line 5
Process exited with code 255.
Output for hhvm-3.12.0
mallctl opt.prof: No such file or directory (2) Fatal error: request has exceeded memory limit in /in/Z3QmI on line 6
Process exited with code 255.
Output for hhvm-3.10.0
Fatal error: request has exceeded memory limit in /in/Z3QmI on line 6
Process exited with code 255.
Output for 5.3.0 - 5.6.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/Z3QmI on line 5
Process exited with code 255.
Output for 5.2.2 - 5.2.17
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 71 bytes) in /in/Z3QmI on line 5
Process exited with code 255.
Output for 5.0.0 - 5.2.1
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/Z3QmI on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/Z3QmI on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/Z3QmI on line 3
Process exited with code 255.