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

説明

public function 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.

パラメータ

len: The number of bytes to remove from the buffer.

戻り値

成功した場合に true を、失敗した場合に false を返します。

参考

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

関連キーワード:

EventBuffer buffer bytes number specified front drain Removes without copying anywhere read copyout enableLocking event beta Behaves except copy removes remove 成功参考 Read evbuffer

関連する関数・ページ:

eventbuffer.copyout eventbuffer.read eventbuffer.appendfrom eventbuffer.readfrom eventbuffer.readline eventbuffer.pullup