In a new tutorial from DevShed today, they take a look at some of the "networking" functions that PHP has to offer - basically anything that can make a network connection.

PHP has a great many tools for interacting with a network and also with the Internet. In this article we will look at some of those tools and functions to see how we can use them to make our scripts more useful in a network environment.

They look at the fopen, gethostbyname, gethostbynamel, getservbyport and the Net_Whois PEAR package (among others).