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Drupal 7 Webform Cookbook by Douglas Vernon Denny

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Chapter 8. Acting on Webform Submissions

In this chapter, we will cover the following topics:

  • Modifying submitted data
  • Adding custom validation

Introduction

Although this chapter only deals with two topics, it covers a lot of ground in doing so. We're going to explore some of the possibilities that exist for interacting with submissions after our form users click on the Submit button. Both the Webform and Webform Validation modules enable developers to act upon the submitted data before the data reaches the database.

In Chapter 6, Extending Webform, we touched on one of the programming hooks exposed by Webform, defining custom option lists. Many core and contributed modules expose such hooks which provide either a mechanism for other modules to react ...

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