EventBuffer
PHP マニュアル

EventBuffer::drain

Removes specified number of bytes from the front of the buffer without copying it anywhere

説明

public bool EventBuffer::drain( int $len )

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
  • EventBuffer::appendFrom