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run code in 300+ PHP versions simultaneously
<?php class A { protected static $a = 5; public static function foo() { $f = function() { var_dump(__CLASS__); var_dump(@get_called_class()); var_dump($this); var_dump(defined('self')); //var_dump(null === self); var_dump(static::$a); }; $f(); } } $a = new A; A::foo();

preferences:
53.81 ms | 402 KiB | 5 Q