MongoDB\BSON\Document::offsetUnset

    (mongodb >=1.17.0)

    MongoDB\BSON\Document::offsetUnset — Implementation of ArrayAccess

    说明

    final public MongoDB\BSON\Document::offsetUnset(mixed $key): void

    Unsets the value at the specified index.

    参数

    key

    The index being unset.

    返回值

    没有返回值。

    错误／异常

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