- ajax_form_callback in includes/
ajax.inc - Page callback: Handles Ajax requests for the #ajax Form API property.
- backdrop_build_form in includes/
form.inc - Builds and processes a form for a given form ID.
- backdrop_form_submit in includes/
form.inc - Retrieves, populates, and processes a form.
- drupal_process_form in includes/
drupal.inc - Processes a form submission.
- FieldAttachOtherTestCase::testFieldAttachSubmit in modules/
field/ tests/ field.test - Test field_attach_submit().
- file_ajax_upload in modules/
file/ file.module - Ajax callback: Processes file uploads and deletions.
- FormsElementsTableSelectFunctionalTest::formSubmitHelper in modules/
simpletest/ tests/ form.test - Helper function for the option check test to submit a form while collecting errors.
- FormsTestCase::testRequiredFields in modules/
simpletest/ tests/ form.test - Check several empty values for required forms elements.