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EventBuffer::copyout - Copies out specified number of bytes from the front of the buffer
Вернуться к: EventBuffer
EventBuffer::copyout
(PECL event >= 1.2.6-beta)
EventBuffer::copyout — Copies out specified number of bytes from the front of the buffer
Описание
public
int
EventBuffer::copyout
(
string
&$data
,
int
$max_bytes
)
Behaves just like
EventBuffer::read()
, but does not drain any data from the buffer. I.e. it copies the first
max_bytes
bytes from the front of the buffer into
data
. If there are fewer than
max_bytes
bytes available, the function copies all the bytes there are.
Список параметров
-
data -
Output string.
-
max_bytes -
The number of bytes to copy.
Возвращаемые значения
Returns the number of bytes copied, or
-1
on failure.
Смотрите также
- 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
Вернуться к: EventBuffer