# getprotobynumber

(PHP 4, PHP 5)

getprotobynumber — Get protocol name associated with protocol number

### Description

string getprotobynumber ( int `$number` )

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

### Parameters

`number`

  The protocol number.

### Return Values

Returns the protocol name as a string.

### See Also

- getprotobyname()