ajax_prepare_response in core/includes/ajax.inc
Converts the return value of a page callback into an Ajax commands array.
backdrop_prepare_form in core/includes/form.inc
Prepares a structured form array.
backdrop_render in core/includes/common.inc
Renders HTML given a structured array tree.
element_info_property in core/includes/common.inc
Retrieves a single property for the defined element type.
file_field_widget_form in core/modules/file/file.field.inc
Implements hook_field_widget_form().
filter_process_format in core/modules/filter/filter.module
Expands an element into a base element with text format selector attached.
form_builder in core/includes/form.inc
Builds and processes all elements in the structured form array.
form_process_weight in core/includes/form.inc
Expands a weight element into a select element.