Php/docs/eventbuffer.drain

• PHP Manual
• EventBuffer
• Removes specified number of bytes from the front of the buffer without copying it anywhere

EventBuffer::drain

(PECL event >= 1.2.6-beta)

EventBuffer::drain — Removes specified number of bytes from the front of the buffer without copying it anywhere

说明

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.

参数

len

The number of bytes to remove from the buffer.

返回值

Returns true on success. Otherwise false.

参见

• 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