| template_preprocess_block | core/modules/layout/layout.theme.inc | Prepares variables for block templates. | 
          
                  | template_preprocess_block_dynamic | core/modules/layout/layout.theme.inc | Prepares variables for block-dynamic templates. | 
          
                  | template_preprocess_book_all_books_block | core/modules/book/book.theme.inc | Processes variables for book-all-books-block.tpl.php. | 
          
                  | template_preprocess_book_navigation | core/modules/book/book.theme.inc | Processes variables for book-navigation.tpl.php. | 
          
                  | template_preprocess_ckeditor5_settings_toolbar | core/modules/ckeditor5/ckeditor5.theme.inc | Preprocess variables for theme_ckeditor5_settings_toolbar(). | 
          
                  | template_preprocess_ckeditor_settings_toolbar | core/modules/ckeditor/ckeditor.theme.inc | Preprocess variables for theme_ckeditor_settings_toolbar(). | 
          
                  | template_preprocess_comment | core/modules/comment/comment.theme.inc | Preprocesses variables for comment.tpl.php. | 
          
                  | template_preprocess_contextual_links_example_object | modules/examples/contextual_links_example/contextual_links_example.module | Process variables for contextual-links-example-object.tpl.php. | 
          
                  | template_preprocess_datetime | core/includes/theme.inc | Preprocess variables for theme_datetime(). | 
          
                  | template_preprocess_date_views_filter_form | core/modules/date/date.theme.inc | Preprocessor for Date Views filter form. | 
          
                  | template_preprocess_date_views_pager | core/modules/date/date.theme.inc | Preprocess function for Date pager template. | 
          
                  | template_preprocess_entity | core/modules/entity/entity.theme.inc | Process variables for entity.tpl.php. | 
          
                  | template_preprocess_field | core/modules/field/field.theme.inc | Theme preprocess function for theme_field() and field.tpl.php. | 
          
                  | template_preprocess_file_entity | core/modules/file/file.module | Process variables for file.tpl.php | 
          
                  | template_preprocess_header | core/includes/theme.inc | Preprocess variables for header.tpl.php | 
          
                  | template_preprocess_image | core/includes/theme.inc | Preprocess variables for theme_image(). | 
          
                  | template_preprocess_installer_browser_block | core/modules/installer/installer.theme.inc | Add some variables for the project browse block theme. | 
          
                  | template_preprocess_installer_browser_install | core/modules/installer/installer.theme.inc | Add some variables for the projects install theme. | 
          
                  | template_preprocess_installer_browser_install_queue | core/modules/installer/installer.theme.inc | Add some variables for the projects install queue theme. | 
          
                  | template_preprocess_installer_browser_list | core/modules/installer/installer.theme.inc | Add some variables for the projects list theme. | 
          
                  | template_preprocess_installer_browser_project | core/modules/installer/installer.theme.inc | Add some variables for the project theme. | 
          
                  | template_preprocess_installer_browser_project_dialog | core/modules/installer/installer.theme.inc | Add some variables for the project details dialog. | 
          
                  | template_preprocess_layout__simmons | core/layouts/simmons/simmons.php | Process variables for the simmons layout. | 
          
                  | template_preprocess_layout__three_three_four_column | core/layouts/legacy/three_three_four_column/three_three_four_column.php | Process variables for the 3/3/4 column layout. | 
          
                  | template_preprocess_maintenance_page | core/includes/theme.inc | Prepares variables for maintenance-page templates. | 
          
                  | template_preprocess_menu_tree | core/includes/menu.inc | Implements template_preprocess_HOOK() for theme_menu_tree(). | 
          
                  | template_preprocess_node | core/modules/node/node.theme.inc | Processes variables for node.tpl.php. | 
          
                  | template_preprocess_page | core/includes/theme.inc | Preprocess variables for page.tpl.php | 
          
                  | template_preprocess_search_results | core/modules/search/search.theme.inc | Process variables for search-results.tpl.php. | 
          
                  | template_preprocess_taxonomy_term | core/modules/taxonomy/taxonomy.theme.inc | Process variables for taxonomy-term.tpl.php. | 
          
                  | template_preprocess_theme_test | core/modules/simpletest/tests/theme_test.theme.inc | Preprocesses variables for theme_theme_test(). | 
          
                  | template_preprocess_theming_example_text_form | modules/examples/theming_example/theming_example.module | Implements template_preprocess(). | 
          
                  | template_preprocess_username | core/modules/user/user.theme.inc | Preprocesses variables for theme_username(). | 
          
                  | template_preprocess_user_picture | core/modules/user/user.theme.inc | Process variables for user-picture.tpl.php. | 
          
                  | template_preprocess_user_profile | core/modules/user/user.theme.inc | Process variables for user-profile.tpl.php. | 
          
                  | template_preprocess_user_simplified_page | core/modules/user/user.theme.inc | Preprocess variables for user-simplified-page.tpl.php. | 
          
                  | template_preprocess_views_exposed_form | core/modules/views/templates/views.theme.inc | Default theme function for all filter forms. | 
          
                  | template_preprocess_views_ui_display_tab_bucket | core/modules/views_ui/views_ui.theme.inc |  | 
          
                  | template_preprocess_views_ui_display_tab_column | core/modules/views_ui/views_ui.theme.inc |  | 
          
                  | template_preprocess_views_ui_display_tab_setting | core/modules/views_ui/views_ui.theme.inc |  | 
          
                  | template_preprocess_views_ui_view_preview_section | core/modules/views_ui/views_ui.theme.inc | Theme preprocess for theme_views_ui_view_preview_section(). | 
          
                  | template_preprocess_views_view | core/modules/views/templates/views.theme.inc | Preprocess the primary theme implementation for a view. | 
          
                  | template_preprocess_views_view_field | core/modules/views/templates/views.theme.inc | Process a single field within a view. | 
          
                  | template_preprocess_views_view_fields | core/modules/views/templates/views.theme.inc | Preprocess theme function to print a single record from a row, with fields | 
          
                  | template_preprocess_views_view_grid | core/modules/views/templates/views.theme.inc | Display a view as a grid style. | 
          
                  | template_preprocess_views_view_grouping | core/modules/views/templates/views.theme.inc | Process a single grouping within a view. | 
          
                  | template_preprocess_views_view_list | core/modules/views/templates/views.theme.inc | Display the view as an HTML list element | 
          
                  | template_preprocess_views_view_mapping_test | core/modules/views/tests/views_test/views_test.module | Implements hook_preprocess_HOOK() for theme_views_view_mapping_test(). | 
          
                  | template_preprocess_views_view_row_comment | core/modules/comment/views/comment.views.inc | Template helper for theme_views_view_row_comment | 
          
                  | template_preprocess_views_view_row_rss | core/modules/views/templates/views.theme.inc | Default theme function for all RSS rows. |