MongoDB\BSON\Document::has

    (mongodb >=1.16.0)

    MongoDB\BSON\Document::has — Returns whether a key is present in the document

    説明

    final public MongoDB\BSON\Document::has(string $key): bool

    パラメータ

    key (string)

    The key to look for in the document.

    戻り値

    Returns true if the key is present in the document and false otherwise.

    エラー / 例外

    参考

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