Support for Drupal 7 is ending on 5 January 2025—it’s time to migrate to Drupal 10! Learn about the many benefits of Drupal 10 and find migration tools in our resource center.
This image shows the workflow of Drupal's index.php file from bootstrap through rendering and caching. If you would like to see graphic representations of specific calls through Drupal, you may be interested in the Visual Backtrace module.