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
public
EventBuffer::drain (
int
$len
) :
bool
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
Returns TRUE
on success. Otherwise 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