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<?php $a = ['bar' => '42']; var_dump($a['foo'] ?? 42); var_dump($a['bar'] ?? 42); var_dump((int) $a['foo'] ?? 42); var_dump((int) $a['bar'] ?? 42); var_dump((int)($a['foo'] ?? 42)); var_dump((int)($a['bar'] ?? 42));

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57.17 ms | 402 KiB | 5 Q