EventBuffer
PHP Manual

EventBuffer::copyout

Copies out specified number of bytes from the front of the buffer

Description

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.

Parameters

data

Output string.

max_bytes

The number of bytes to copy.

Return Values

Returns the number of bytes copied, or -1 on failure.

See Also

  • EventBuffer::read
  • EventBuffer::appendFrom