(PECL event >= 1.2.6-beta)
EventBuffer::copyout — Copies out specified number of bytes from the front of the buffer
&$data
,
int
$max_bytes
): int
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.
data
Output string.
max_bytes
The number of bytes to copy.
Returns the number of bytes copied, or
-1
on failure.