14
final public static function &c($x) {}
15
final public static function &d($x ) {}
17
abstract private function e($x);
18
abstract private function f($x );
24
f(function($x ) use ($z) {});
48
final public static function &c($x) {}
49
final public static function &d($x) {}
51
abstract private function e($x);
52
abstract private function f($x);
58
f(function($x) use ($z) {});