EntityFieldQuery::tableSort in core/modules/entity/entity.query.inc

Enables sortable tables for this query.

field_ui_fields_list in core/modules/field_ui/field_ui.admin.inc

Page callback: Lists all defined fields for quick reference.

layout_block_list in core/modules/layout/layout.admin.inc

Menu callback; Lists all blocks and their modules.

TableSort::order in core/includes/tablesort.class.inc

Determine the current sort criterion.

tablesort_get_sort in core/includes/tablesort.inc

Determines the current sort direction.

tablesort_init in core/includes/tablesort.inc

Initializes the table sort context.