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<?php class test { public $memvar; public function __construct(&$a=1) { $a = 100; $this->memvar = ++$a; } public function PlusOne() { return $this->memvar; } } $o = new test($a=25); var_dump($a,$o->PlusOne());// 126?
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: test::__construct(): Argument #1 ($a) cannot be passed by reference in /in/U3gMf:15 Stack trace: #0 {main} thrown in /in/U3gMf on line 15
Process exited with code 255.

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