getprotobynumber
(PHP 4, PHP 5, PHP 7)
getprotobynumber — Get protocol name associated with protocol number
说明
getprotobynumber (
int
$number
) :
string
getprotobynumber() returns the protocol name associated with protocol number
as per /etc/protocols.
参数
-
number
-
The protocol number.
返回值
Returns the protocol name as a string, 或者在失败时返回 FALSE
.