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<?php class A { private $b; public function __construct(B $b) { $this->b = $b; var_dump($b->OMG); } } class B { const OMG = 10; public function __get($name) { return constant("self::" . $name); } } $b = new B(); $a = new A($b);

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46.15 ms | 402 KiB | 5 Q