EventBuffer::substr
(PECL event >= 1.6.0)
EventBuffer::substr — Substracts a portion of the buffer data
說明
public EventBuffer::substr( int
$start , int $length = ?): string Substracts up to length bytes of the buffer data beginning at start position.
參數
-
start The start position of data to be substracted.
-
length Maximum number of bytes to substract.
返回值
Returns the data substracted as a string on success, or false on failure.
參見
- EventBuffer::read() - Read data from an evbuffer and drain the bytes read