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Create a custom form with Form API in Drupal 8

Creating forms is part of the day to day live of a Drupal programmer.  Forms are represented as nested arrays in both Drupal 7 and Drupal 8. But they are different in that in Drupal 7 you define your form arrays in functions and in Drupal 8 you create a form class.

In this post we’ll create a custom form with two fields, a text field and a checkbox field, we’ll validate those fields, display them in a message and finally redirect the user to the home page.

You can find the code of this module here.

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