3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = new StdClass(); $var->foo = 'bar'; $GLOBALS['this'] = $var; var_dump($this); $var->foo = 'baz'; $foo = 'this'; $$foo = $var; var_dump($this); foo($this); function foo($this){ $GLOBALS['this']->foo = 'baw'; var_dump($this); }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Cannot use $this as parameter in /in/Fq7jp on line 19
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
object(stdClass)#1 (1) { ["foo"]=> string(3) "bar" } object(stdClass)#1 (1) { ["foo"]=> string(3) "baz" } object(stdClass)#1 (1) { ["foo"]=> string(3) "baw" }
preferences:
237.42 ms | 402 KiB | 376 Q