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<?php class Foo { public function display() { $cb = self::fooStaticMethod(); call_user_func($cb, $this); } public static function fooStaticMethod() { return self::getCallable(); } private static function getCallable() { return function (Foo $foo) { $foo->fooMethod(); }; } private function fooMethod() { var_dump('fii'); } } class Bar extends Foo { } $bar = new Bar(); $bar->display();
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(3) "fii"
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Call to private method Foo::fooMethod() from context 'Bar' in /in/7dtUA on line 20
Process exited with code 255.
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