3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php /** * the deref function */ function ​($mixed) { return $mixed; } class foo { function bar($subj) { var_dump($subj); } } ​(new foo())->bar($foo);
Output for 5.3.28 - 5.3.29, 5.4.18 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: foo in /in/57alQ on line 15 NULL
Output for 5.0.4 - 5.3.27, 5.4.0 - 5.4.17
Notice: Undefined variable: foo in /in/30F2V on line 15 NULL
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: foo in /in/30F2V on line 15 NULL
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/30F2V on line 15
Process exited with code 255.
Output for 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/30F2V on line 15
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/30F2V on line 15
Process exited with code 255.
Output for 4.3.0
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/57alQ on line 15
Process exited with code 255.