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<?php /*class A { static $a=7; var $b=9; }*/ class A{ static function __set_state($arr) { $obj = new self; foreach($arr as $k=>$var) { $obj->$k=$var; } } }; A::__set_state(array( 'b' => 9, )); var_dump(A); function f($obj) { var_export($obj); echo $obj->b; } $a; f(new A);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Creation of dynamic property A::$b is deprecated in /in/lRSfk on line 13 Fatal error: Uncaught Error: Undefined constant "A" in /in/lRSfk:23 Stack trace: #0 {main} thrown in /in/lRSfk on line 23
Process exited with code 255.

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