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run code in 300+ PHP versions simultaneously
<?php class myClass { public $scope; public function go() { ${this->scope}(); } } $myObj = new myClass(); $myObj->scope = function() { echo 'Print This!'; }; $myObj->go();
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "this" in /in/Nqq29:5 Stack trace: #0 /in/Nqq29(13): myClass->go() #1 {main} thrown in /in/Nqq29 on line 5
Process exited with code 255.
Output for 5.4.0 - 5.4.15
Parse error: syntax error, unexpected '->' (T_OBJECT_OPERATOR) in Nqq29 on line 5
Process exited with code 255.
Output for 5.3.25
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/b5d0l on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.24
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in Nqq29 on line 5
Process exited with code 255.

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