getmxrr
getprotobynumber
Network 함수 목록
PHP Manual

# getprotobyname

(PHP 4, PHP 5)

getprotobyname — Get protocol number associated with protocol name

### 설명

int getprotobyname ( string `$name` )

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

### 인수

`name`

  The protocol name.

### 반환값

Returns the protocol number or -1 if the protocol is not found.

### 예제

Example #1 getprotobyname() example

`<?php
$protocol = 'tcp';
$get_prot = getprotobyname($protocol);
if ($get_prot == -1) {
echo 'Invalid Protocol';
} else {
echo 'Protocol #' . $get_prot;
}
?>`

### 참고

- getprotobynumber() - Get protocol name associated with protocol number

getmxrr
getprotobynumber
Network 함수 목록
PHP Manual