PHP code that binds multiple domain names

This is a very useful code, and binding multiple domain name ASP code similar, if you have only one PHP space, and you want to put more than one site, the following code can help you. The code is very simple, similar to the ASP code that binds multiple domain names, it is not much introduced.

The first one:

if ($HTTP _host== "www.moon-soft.com") {
Header ("Location:moon.htm");
}
ElseIf ($HTTP _host== "Www.williamlong.info") {
Header ("Location:williamlong.htm");
}
else{
Header ("Location:other.htm");
}

The second one:

if ($HTTP _host== "www.moon-soft.com") {
Require "moon.htm";
}
ElseIf ($HTTP _host== "Www.williamlong.info") {
Require "williamlong.htm";
}
else{
Require "other.htm";
}