What are some free and comprehensive PHP IDE options available for Linux users?

Many Linux users may be looking for a free and comprehensive PHP IDE to use for their development projects. Some popular options available for Linux users include Visual Studio Code, Eclipse PDT, and NetBeans. These IDEs offer features such as code completion, debugging tools, and support for various PHP frameworks.

// Example PHP code snippet using Visual Studio Code as the IDE
<?php
echo "Hello, World!";
?>