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<?php class Derp { protected $array = array("test" => array(1,2,3)); public function getArray() { return $this->array; } } $d = new Derp(); $array &= $d->getArray(); $array['test'] = array(); var_dump($d);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $array in /in/9OVb0 on line 13 Fatal error: Uncaught TypeError: Unsupported operand types: null & array in /in/9OVb0:13 Stack trace: #0 {main} thrown in /in/9OVb0 on line 13
Process exited with code 255.

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