How to Create A Custom Form In Drupal?

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To create a custom form in Drupal, you can use the Form API provided by the Drupal core. First, create a new module or use an existing one for your custom form. Then, define a new form by implementing the hook_form() function in your module file. Within this function, you can define the elements of your form using Form API functions such as form_textfield(), form_textarea(), form_select(), etc. You can also add validation and submission handlers to process the form data. Finally, you can render the form on a page by creating a menu callback or using the Form API functions to display it. By following these steps, you can create a custom form in Drupal tailored to your specific requirements.

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What is the use of form tokens in Drupal?

Form tokens in Drupal are used for security purposes to prevent Cross-Site Request Forgery (CSRF) attacks. When a form is submitted in Drupal, a unique token is generated and added to the form. This token is then checked when the form is submitted to ensure that it was indeed the original user who submitted the form, and not an attacker trying to forge the request.


By including form tokens in Drupal forms, you can protect against malicious attacks that attempt to trick users into submitting forged requests that could lead to unauthorized actions being performed on the website. This helps to ensure the security and integrity of the website.


What is a form builder in Drupal?

A form builder in Drupal is a tool that allows users to easily create and customize forms on their Drupal website without needing to write any code. Form builders typically provide a drag-and-drop interface for adding form fields, defining form settings, and setting up form submission actions. This allows website administrators to quickly create and deploy custom forms for collecting user input, such as contact forms, registration forms, surveys, and more. Drupal’s form builder modules also offer advanced features like conditional logic, validation rules, submission notifications, and integrations with third-party services.


How to create conditional fields in a Drupal form?

Conditional fields in a Drupal form can be created using the Conditional Fields module. Here's a step-by-step guide on how to create conditional fields in a Drupal form:

  1. Install the Conditional Fields module: Download and install the Conditional Fields module from the Drupal website or using Composer. Enable the module in the Extend section of your Drupal site.
  2. Create a new content type or use an existing one: Go to Structure > Content types and create a new content type or edit an existing one. Add the fields that you want to make conditional to the content type.
  3. Configure the conditional fields: Go to the content type's Manage form display tab. Click on the "Conditional fields" button next to the field you want to make conditional. Configure the conditions under which the field should appear or be hidden based on the value of another field.
  4. Save your changes: Save the configuration of the conditional fields. Test the form to make sure that the conditional fields are working as expected.


By following these steps, you can easily create conditional fields in a Drupal form using the Conditional Fields module.

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