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    EventBuffer::substr

    (PECL event >= 1.6.0)

    EventBuffer::substr — Substracts a portion of the buffer data

    说明

    public EventBuffer::substr( int $start , int $length = ?): string

    Substracts up to length bytes of the buffer data beginning at start position.

    参数

    start

    The start position of data to be substracted.

    length

    Maximum number of bytes to substract.

    返回值

    Returns the data substracted as a string on success, or false on failure.

    参见

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