To run WordPress your host just needs a couple of things Requirements for WordPress:
PHP version 5.2.4 or greater (recommended: PHP 5.4 or greater)
MySQL version 5.0 or greater (recommended: MySQL 5.5 or greater)
That’s really it. We recommend Apache orNginx as the most robust and featureful server for running WordPress, but any server that supports PHP and MySQL will do. That said, we can’t test every possible environment and each of the hosts on our hosting page supports the above and more with no problems.
Ask for it
Here’s a letter you can send to your host; copy and paste!
I’m interested in running the open-source WordPress blogging software and I was wondering if my account supported the following:
PHP 5.4 or greater
MySQL 5.5 or greater
The mod_rewrite Apache module