PHP 手冊
上一頁 |  | 下一頁

# getprotobyname

(PHP 4 , PHP 5)

getprotobyname -- Get protocol number associated with protocol name

## Description

int getprotobyname ( string name)

getprotobyname() returns the protocol number associated with the protocol name as per `/etc/protocols`.

示範 1.getprotobyname() example
`<?php $protocol = 'tcp'; $get_prot = getprotobyname($protocol); if ($get_prot == -1) { // if nothing found, returns -1 echo 'Invalid Protocol'; } else { echo 'Protocol #' . $get_prot; } ?>`

See also: getprotobynumber().

上一頁 | 最開頭 | 下一頁
getmxrr | 上一層 | getprotobynumber