(PECL event >= 1.2.6-beta)
EventBuffer::drain — Removes specified number of bytes from the front of the buffer without copying it anywhere
public EventBuffer::drain ( int $len ) : bool
Behaves as EventBuffer::read() , except that it does not copy the data: it just removes it from the front of the buffer.
len
The number of bytes to remove from the buffer.
Returns true
on success. Otherwise false
.
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https://www.php.net/manual/en/eventbuffer.drain.php