3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{ static function foo() { static $numCalls = 0; $numCalls++; print("this function has been executed " . $numCalls . " times<br>"); } } A->foo(); A->foo(); A->foo();
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 "A" in /in/gamiC:17 Stack trace: #0 {main} thrown in /in/gamiC on line 17
Process exited with code 255.
Output for 5.4.0 - 5.4.22
Parse error: syntax error, unexpected '->' (T_OBJECT_OPERATOR) in /in/gamiC on line 17
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/gamiC on line 17
Process exited with code 255.

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