PHP also supports multiple databases such as Oracle, MySQL, SQL Server and MS Access. Why is open source, PHP web development does not involve a lot of costs. PHP websites are easy to customize and programmers can manipulate it to their passage. There are many groups to discuss the common and strange error while doing web development. PHP lets you pick from frameworks like CMS and e commerce solutions like Joomla, Magento and Drupal as well as integration with databases like MySQL and PostgreSQL.