文字
socket_cmsg_space
(PHP 5 >= 5.5.0)
socket_cmsg_space — Calculate message buffer size
说明
int socket_cmsg_space
( int
$level
, int $type
)Calculates the size of the buffer that should be allocated for receiving the ancillary data.
Warning
本函数还未编写文档，仅有参数列表。
参数
-
level -
-
type -
返回值
参见
- socket_recvmsg() - Read a message
- socket_sendmsg() - Send a message