HOWTO get the real host name of your server in PHP
September 21st, 2008In 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 sure beats the pants off:
print trim(`hostname`);
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