EventBuffer::substr

(PECL event >= 1.6.0)

EventBuffer::substr — Substracts a portion of the buffer data

說(shuō)明

public EventBuffer::substr( int $start , int $length = ?): string

Substracts up to length bytes of the buffer data beginning at start position.

參數(shù)

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