3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); $var = new StdClass(); $var->foo = 'bar'; //$this = $var; // PHP Fatal error: Cannot re-assign $this $GLOBALS['this'] = $var; var_dump($this); $var->foo = 'baz'; $foo = 'this'; $$foo = $var; var_dump($this); foo($this); function foo($this){ //global $this; // PHP Fatal error: Cannot re-assign $this // $this = $GLOBALS['var']; // PHP Fatal error: Cannot re-assign $this var_dump($this); $GLOBALS['this']->foo = 'baw'; $$GLOBALS['foo'] = $GLOBALS['this']; var_dump($$GLOBALS['foo']); var_dump($this); }
based on kPVMg
Output for 7.1.0 - 7.2.0
Fatal error: Cannot use $this as parameter in /in/vJoIF on line 23
Process exited with code 255.
Output for 7.0.0 - 7.0.20
object(stdClass)#1 (1) { ["foo"]=> string(3) "bar" } object(stdClass)#1 (1) { ["foo"]=> string(3) "baz" } object(stdClass)#1 (1) { ["foo"]=> string(3) "baz" } Notice: Array to string conversion in /in/vJoIF on line 28 Notice: Array to string conversion in /in/vJoIF on line 29 object(stdClass)#1 (1) { ["foo"]=> string(3) "baw" } object(stdClass)#1 (1) { ["foo"]=> string(3) "baw" }
Output for 5.3.18 - 5.6.28
object(stdClass)#1 (1) { ["foo"]=> string(3) "bar" } object(stdClass)#1 (1) { ["foo"]=> string(3) "baz" } object(stdClass)#1 (1) { ["foo"]=> string(3) "baz" } object(stdClass)#1 (1) { ["foo"]=> string(3) "baw" } object(stdClass)#1 (1) { ["foo"]=> string(3) "baw" }