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
- EventBuffer::read() - Read data from an evbuffer and drain the bytes read