WordPress requires PHP in order to work; therefore, your Web hosting provider must have PHP enabled on your Web server. If you already have WordPress up and running on your Web site, you know PHP is running and working just fine. Currently, the PHP version required for WordPress is version 4.3 or later.
In the very near future, WordPress will drop support for PHP version 4. When this happens, version 5 will be the only version supported by the WordPress platform. Ask your Web host to upgrade you to PHP version 5 sooner rather than later because most WordPress developers (for plugins, themes, and so on) base their development practices on PHP version 5.
As we state earlier, WordPress is based in PHP (a scripting language for creating Web pages) and uses PHP commands to pull information from the MySQL database. Every tag begins with the function to start ...