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<?php class Foo { protected $bar; public function __get($property) { return $this->bar; } public function __set($property, $value) { $this->bar = &$value; } } $test = new Foo; $a = 0; $test->bar = &$a; $a++; echo $test->bar;
Output for git.master, git.master_jit, rfc.property-hooks
Notice: Indirect modification of overloaded property Foo::$bar has no effect in /in/vMVTk on line 18 Fatal error: Uncaught Error: Cannot assign by reference to overloaded object in /in/vMVTk:18 Stack trace: #0 {main} thrown in /in/vMVTk on line 18
Process exited with code 255.

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