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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));
Output for git.master, git.master_jit, rfc.property-hooks
int(42) string(2) "42" Warning: Undefined array key "foo" in /in/orugt on line 5 int(0) int(42) int(42) int(42)

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