PHP getservbyname() Function

A getservbyname() example:

<?php
$portnum = getservbyname("http", "tcp");
echo $portnum;
?>

Definition and Usage

The getservbyname() function returns the port number for a given Internet service and protocol.

getservbyname( service, protocol)

Parameter	Description
service	Required. Specifies the Internet service name (like "http")
protocol	Required. Specifies a protocol name (like "tcp" or "udp")

Return Value:	The port number on success. FALSE on failure
PHP Version:	4.0+