getprotobyname

(PHP 4, PHP 5, PHP 7)

getprotobynameGet protocol number associated with protocol name

Description

getprotobyname ( string $name ) : int

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

Parameters

name

The protocol name.

Return Values

Returns the protocol number, or FALSE on failure.

Examples

Example #1 getprotobyname() example

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

See Also