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    QuickHashStringIntHash::exists

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    QuickHashStringIntHash::exists — This method checks whether a key is part of the hash

    説明

    public QuickHashStringIntHash::exists(string $key): bool

    This method checks whether an entry with the provided key exists in the hash.

    パラメータ

    key

    The key of the entry to check for whether it exists in the hash.

    戻り値

    Returns true when the entry was found, or false when the entry is not found.

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