文字
EventBuffer::read
(PECL event >= 1.6.0)
EventBuffer::read — Read data from an evbuffer and drain the bytes read
说明
public string EventBuffer::read
( int
$max_bytes
)
Read the first
max_bytes
from the buffer and drain the bytes read. If more
max_bytes
are requested than are available in the buffer, it only extracts as many
bytes as available.
参数
-
max_bytes -
Maxmimum number of bytes to read from the buffer.
返回值
Returns string read, or FALSE on failure.
更新日志
| 版本 | 说明 |
|---|---|
| 1.6.0 |
Renamed EventBuffer::read() (the old method
name) to EventBuffer::read() .
EventBuffer::read() now takes only
max_bytes argument; returns string instead of
integer.
|
参见
- EventBuffer::copyout() - Copies out specified number of bytes from the front of the buffer
- EventBuffer::drain() - Removes specified number of bytes from the front of the buffer without copying it anywhere
- EventBuffer::pullup() - Linearizes data within buffer and returns it's contents as a string
- EventBuffer::readLine() - Extracts a line from the front of the buffer
- EventBuffer::appendFrom() - Moves the specified number of bytes from a source buffer to the end of the current buffer