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<?php namespace Name; function Boo() { var_dump('func:', __FUNCTION__, __METHOD__); } trait Constants { public static function traitClassConst () { return function () { return [__CLASS__, __TRAIT__]; }; } public static function traitC () {var_dump('trait_method:', __FUNCTION__, __METHOD__, __CLASS__);call_user_func(function () { var_dump('trait_closure:', __FUNCTION__, __METHOD__, __CLASS__); }); } } class Foo { use Constants; public static function classConst () { return function () { return [__CLASS__, __TRAIT__]; }; } public static function method () {var_dump('method:', __FUNCTION__, __METHOD__);call_user_func(function () { var_dump('closure:', __FUNCTION__, __METHOD__); }); } } //Boo(); //Foo::method(); //Foo::traitC(); //var_dump(__METHOD__); $closure = Foo::classConst(); var_dump($closure()); $closure = \Closure::bind($closure, null, '\\stdClass'); var_dump($closure());

preferences:
37.92 ms | 402 KiB | 5 Q