Drupal 7 PHP Bootcamp for Drupal 7 An introductory course in PHP that will prepare you to take the Drupal 7 Module and Theme Development courses
Drupal 8 & 9 PHP Bootcamp for Drupal 8 & 9 An introductory course in PHP that will prepare you for taking our Drupal 8 & 9 Module Development course
Drupal 8 & 9 Advanced PHP for Drupal 8 & 9 A class covering newer PHP techniques you need to know for programming Drupal 8+