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run code in 300+ PHP versions simultaneously
<?php class Foo { static function bar() { $foo = static function() { return get_called_class(); }; return $foo(); } static function baz() { $foo = function() { return get_called_class(); }; $ack=new \StdClass; return $foo->bindTo($ack); } } class Bar extends Foo { } assert(Bar::bar() === 'Bar'); assert(Bar::baz() === 'Bar');

preferences:
40.71 ms | 402 KiB | 5 Q