Form API
Drupal has an API for creating and modifying forms so all modules can specify and customize them in the same way. Form Alter...
Drupal has an API for creating and modifying forms so all modules can specify and customize them in the same way. Form Alter...
It's very easy to set the page title for your form. In your buildForm() or form alter function, set the #title property to...
Drupal Commerce has a field widget, Commerce Entity Select that does some interesting things with the field and form API. Source...
How to render an entity form.
Form API documentation.
Form API code documentation.