EasyPHP is a complete package allowing to use all the power and the flexibility that offers the dynamic language PHP. Package includes an Apache server, a MySQL database, PHPMyAdmin as well as easy development tools for web sites and applications.
You must place your files either in the directory "www" or an alias that you have created, so that PHP can interpret your PHP pages. To view your pages, select "local Web" or an Alias on the "Administration" page.
There are many ways to program in PHP and there are many suitable text editors (eg specialized for HTML or PHP with syntax highlighting etc).