| drupal_prepare_form | includes/form.inc | Prepares a structured form array by adding required elements,
executing any hook_form_alter functions, and optionally inserting
a validation token to prevent tampering. |
| drupal_process_form | includes/form.inc | This function is the heart of form API. The form gets built, validated and in
appropriate cases, submitted. |
| expand_radios | includes/form.inc | Roll out a single radios element to a list of radios,
using the options array as index. |
| filter_form | modules/filter/filter.module | Generate a selector for choosing a format in a form.
See alsofilter_form_validate() |
| form_clean_id | includes/form.inc | Prepare an HTML ID attribute string for a form item. |
| template_preprocess_page | includes/theme.inc | Process variables for page.tpl.php |
| _form_builder_handle_input_element | includes/form.inc | Populate the #value and #name properties of input elements so they
can be processed and rendered. Also, execute any #process handlers
attached to a specific element. |
