EventBuffer::drain
(PECL event >= 1.2.6-beta)
EventBuffer::drain — Removes specified number of bytes from the front of the buffer without copying it anywhere
说明
Behaves as EventBuffer::read() , except that it does not copy the data: it just removes it from the front of the buffer.
参数
-
len -
The number of bytes to remove from the buffer.
返回值
成功时返回 true， 或者在失败时返回 false。
参见
- EventBuffer::read() - Read data from an evbuffer and drain the bytes read
- EventBuffer::appendFrom() - Moves the specified number of bytes from a source buffer to the end of the current buffer
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