3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php /* PHP 5.3.5 */ class Foo { Function bar ($func) { $this->callback = $func; call_user_func ($this->callback, $this); } } $callback = Function ($_this) { return call_user_func ($_this->callback, $_this); }; $obj = new Foo (); $obj->bar ($callback);
Output for 7.0.0 - 7.1.0
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/plqaP on line 15
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Stack overflow in /in/plqaP on line 15
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.3.0 - 5.6.21

Process exited with code 139.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/plqaP on line 15
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/plqaP on line 15
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/plqaP on line 15
Process exited with code 255.