This document discusses why PHP is a good choice for web development. It notes that PHP is open source and free, has simple documentation, an active community, many libraries, and low infrastructure costs. Specific benefits highlighted include easy documentation, helpful community support, good package and library options through PECL and Composer, and low costs. While other open source languages exist, the document argues PHP has advantages in scaling, development speed through tools like PHPStorm and xDebug, and maintainability.