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run code in 300+ PHP versions simultaneously
<?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); 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 - 8.3.4, 8.3.6
Fatal error: Cannot use $this as parameter in /in/kPVMg on line 23
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Cannot use $this as parameter in /in/kPVMg 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/kPVMg on line 28 Notice: Array to string conversion in /in/kPVMg on line 29 array(1) { ["foo"]=> object(stdClass)#1 (1) { ["foo"]=> string(3) "baw" } } object(stdClass)#1 (1) { ["foo"]=> string(3) "baw" }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 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" } Notice: Array to string conversion in /in/kPVMg on line 29 Notice: Undefined variable: Array in /in/kPVMg on line 29 NULL object(stdClass)#1 (1) { ["foo"]=> string(3) "baw" }

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