PHP 8.1.0 Alpha 1 available for testing

socket_cmsg_space

(PHP 5 >= 5.5.0, PHP 7, PHP 8)

socket_cmsg_spaceCalculate message buffer size

说明

socket_cmsg_space ( int $level , int $type , int $num = 0 ) : int|null

Calculates the size of the buffer that should be allocated for receiving the ancillary data.

警告

本函数还未编写文档,仅有参数列表。

参数

level

type

返回值

参见

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