3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class X { static function foo() { $t = "this"; $$t = null; extract(array("this" => "foo")); var_dump($this); } } (new X)->foo(); X::foo();
based on HQ1Eq
Output for 7.1.0
Fatal error: Uncaught Error: Cannot re-assign $this in /in/U0q1I:6 Stack trace: #0 /in/U0q1I(12): X::foo() #1 {main} thrown in /in/U0q1I on line 6
Process exited with code 255.
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.0.14
NULL NULL
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/U0q1I on line 12
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/U0q1I on line 12
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/U0q1I on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/U0q1I on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/U0q1I on line 4
Process exited with code 255.