3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $g = function () use (&$g) { for ($v = 1;;) { $v = (yield $g()->send($v)); } }; foreach ($g() as $v) { var_dump($v); }
Output for 5.5.24 - 5.6.28, 7.1.0

Process exited with code 139.
Output for 7.0.0 - 7.0.14
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 4096 bytes) in /in/QXDQc on line 7
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Stack overflow in /in/QXDQc on line 7
Process exited with code 255.
Output for hhvm-3.10.0
Fatal error: Uncaught exception 'Exception' with message 'Need to call next() first' in /in/QXDQc:7 Stack trace: #0 /in/QXDQc(7): Generator->send() #1 (): Closure$() #2 (): Generator->next() #3 /in/QXDQc(14): Generator->rewind() #4 {main}
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$g' (T_VARIABLE) in /in/QXDQc on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/QXDQc on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/QXDQc on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/QXDQc on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/QXDQc on line 3
Process exited with code 255.