HOWTO get the real host name of your server in PHP

In PHP, to get the name of the web server, you can print $_SERVER[“HTTP_HOST”]. However, if you use round-robin DNS or a load balancer, this will give you the name Apache thinks your machine is. What if you want the real hostname — what you’d get from hostname or uname? print gethostbyaddr(“127.0.0.1”); That’s all. It …

JavaScript: how to unescape HTML entities

I was searching the web for JavaScript HTML entity unescaping code. I found lots of really bad ideas. Sound familiar? Some were quite complicated. It looked like the scriptaculous guys had the right idea. However, all I could find was a cached page with no code. A quick peek inside prototype set me on the …