Php/docs/function.getprotobyname
From Get docs
getprotobyname
(PHP 4, PHP 5, PHP 7)
getprotobyname — Get protocol number associated with protocol name
Description
getprotobyname
( string $name
) : int|false
getprotobyname() returns the protocol number
associated with the protocol name as per
/etc/protocols.
Parameters
name- The protocol name.
Return Values
Returns the protocol number, or FALSE on failure.
Examples
Example #1 getprotobyname() example
<?php$protocol = 'tcp';$get_prot = getprotobyname($protocol);if ($get_prot === FALSE) { echo 'Invalid Protocol';} else { echo 'Protocol #' . $get_prot;}?>
