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    MongoDB\BSON\PackedArray::has

    (mongodb >=1.16.0)

    MongoDB\BSON\PackedArray::has — Returns whether a index is present in the array

    说明

    final public MongoDB\BSON\PackedArray::has(int $index): bool

    参数

    index (int)

    The index to look for in the array.

    返回值

    Returns true if the index is present in the array and false otherwise.

    错误／异常

    参见

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