ajax_get_form in includes/ajax.inc

Gets a form submitted via #ajax during an Ajax callback.

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.

FieldAttachOtherTestCase::testFieldAttachForm in modules/field/tests/field.test

Test field_attach_form().

FieldAttachOtherTestCase::testFieldAttachSubmit in modules/field/tests/field.test

Test field_attach_submit().

FieldFormTestCase::testFieldFormAccess in modules/field/tests/field.test

Tests fields with no 'edit' access.

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.