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<?php class A { public static $c = 100; public static function &D() { return self::$c; } } echo A::$c; //prints 100 $cRef1 =& A::D(); $cRef1 = 200; echo A::$c; //prints 200 $a = new ReflectionClass('A'); $d = $a->getMethod('D'); $cRef2 =& $d->invoke(null); //DOES NOT RETURN REFERENCE!!! $cRef2 = 300; echo A::$c; //prints 200
Output for git.master, git.master_jit, rfc.property-hooks
100200 Notice: Only variables should be assigned by reference in /in/NJBRv on line 17 200

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