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<?php class Money { private $amount; public function __construct($amount) { $this->amount = $amount; } public function equals(Money $otherMoney) { return $this->amount === $otherMoney->amount; } } class MonopolyMoney extends Money { } $a = new Money(1); $b = new MonopolyMoney(1); var_dump($a->equals($b));
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(true)
preferences:
265.57 ms | 404 KiB | 330 Q