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Altering forms with hook_form_alter()

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Module Development for Drupal 7

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1. Introduction to Module Development for Drupal 7 FREE 5m
2. Helpful tools for module development 6m
3. An overview of the Devel module 14m
4. Drupal API documentation FREE 10m
5. Anatomy of a Drupal module 7m
6. The event-driven hook system 16m
7. Tips for writing secure code 8m
8. Overview of the Drupal menu system 19m
9. Using URL arguments in page callback functions 20m
10. Adding contextual menu links and using menu autoloaders 15m
11. Using the Drupal Render API 14m
12. Attachments and caching with the Render API 10m
13. Altering the page array 7m
14. Integrating with the theme system 28m
15. An Overview of the Form API 10m
16. Creating, submitting and validating a simple form 17m
17. Organizing collections of form elements 8m
18. Creating dynamic forms with the states system 8m
19. Altering forms with hook_form_alter() 11m
20. Altering specific forms and customizing validation 14m
21. Creating a configuration settings form for your module 24m
22. An overview of the database layer in Drupal 7 18m
23. Querying the database with db_select() 17m
24. Adding a table to the database 11m
25. Querying the database with query methods 25m
26. Altering the database 14m
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This video goes through the process of changing some of the properties of a form with the hook_form_alter() function. This hook is a very powerful tool to be able to modify existing Drupal forms, created by core or contributed modules, and tailor them to your needs.

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