116 functions implement hook_preprocess_HOOK()

Note: the procedural functions in this list are found by pattern matching, so the list may include some functions that are not actually implementations of this hook.

aggregator_preprocess_block in core/modules/aggregator/aggregator.module

Implements hook_preprocess_HOOK() for block templates.

bartik_preprocess_block in core/themes/bartik/bartik.theme

Implements hook_preprocess_HOOK() for block.html.twig.

bartik_preprocess_html in core/themes/bartik/bartik.theme

Implements hook_preprocess_HOOK() for HTML document templates.

bartik_preprocess_image_widget in core/themes/bartik/bartik.theme

Implements hook_preprocess_image_widget().

bartik_preprocess_links in core/themes/bartik/bartik.theme

Implements template_preprocess_links().

bartik_preprocess_links__media_library_menu in core/themes/bartik/bartik.theme

Implements hook_preprocess_links__media_library_menu().

bartik_preprocess_maintenance_page in core/themes/bartik/bartik.theme

Implements hook_preprocess_HOOK() for maintenance-page.html.twig.

bartik_preprocess_menu in core/themes/bartik/bartik.theme

Implements hook_preprocess_HOOK() for menu.html.twig.

bartik_preprocess_node in core/themes/bartik/bartik.theme

Implements hook_preprocess_HOOK() for node.html.twig.

bartik_preprocess_page_title in core/themes/bartik/bartik.theme

Implements hook_preprocess_HOOK() for page title templates.

classy_preprocess_image_widget in core/themes/classy/classy.theme

Implements hook_preprocess_image_widget().

classy_preprocess_links__media_library_menu in core/themes/classy/classy.theme

Implements hook_preprocess_links__media_library_menu().

comment_empty_title_test_preprocess_comment in core/modules/comment/tests/modules/comment_empty_title_test/comment_empty_title_test.module

Implements hook_preprocess_comment().

content_moderation_preprocess_node in core/modules/content_moderation/content_moderation.module

Implements hook_preprocess_HOOK().

forum_preprocess_block in core/modules/forum/forum.module

Implements hook_preprocess_HOOK() for block templates.

layout_builder_preprocess_language_content_settings_table in core/modules/layout_builder/layout_builder.module

Implements hook_preprocess_HOOK() for language-content-settings-table.html.twig.

layout_builder_test_preprocess_layout__onecol in core/modules/layout_builder/tests/modules/layout_builder_test/layout_builder_test.module

Implements hook_preprocess_HOOK() for one-column layout template.

layout_builder_test_preprocess_layout__twocol_section in core/modules/layout_builder/tests/modules/layout_builder_test/layout_builder_test.module

Implements hook_preprocess_HOOK() for two-column layout template.

layout_builder_theme_suggestions_test_preprocess_item_list__layouts in core/modules/layout_builder/tests/modules/layout_builder_theme_suggestions_test/layout_builder_theme_suggestions_test.module

Implements hook_preprocess_HOOK() for the list of layouts.

media_test_embed_preprocess_media_embed_error in core/modules/media/tests/modules/media_test_embed/media_test_embed.module

Implements hook_preprocess_HOOK().

media_test_oembed_preprocess_media_oembed_iframe in core/modules/media/tests/modules/media_test_oembed/media_test_oembed.module

Implements hook_preprocess_media_oembed_iframe().

olivero_test_preprocess_field_multiple_value_form in core/modules/system/tests/modules/olivero_test/olivero_test.module

Implements hook_preprocess_field_multiple_value_form().

olivero_test_preprocess_html in core/modules/system/tests/modules/olivero_test/olivero_test.module

Implements hook_preprocess_html().

olivero_test_preprocess_page in core/modules/system/tests/modules/olivero_test/olivero_test.module

Implements hook_preprocess().

pager_test_preprocess_pager in core/modules/system/tests/modules/pager_test/pager_test.module

Implements hook_preprocess_HOOK().

quickedit_preprocess_entity_page_title in core/modules/quickedit/quickedit.module

Implements hook_preprocess_entity_page_title().

quickedit_preprocess_field in core/modules/quickedit/quickedit.module

Implements hook_preprocess_HOOK() for field templates.

quickedit_preprocess_page_title in core/modules/quickedit/quickedit.module

Implements hook_preprocess_HOOK() for the page title template.

rdf_preprocess_comment in core/modules/rdf/rdf.module

Implements hook_preprocess_HOOK() for comment templates.

rdf_preprocess_field__node__uid in core/modules/rdf/rdf.module

Implements hook_preprocess_HOOK() for UID field templates.

rdf_preprocess_html in core/modules/rdf/rdf.module

Implements hook_preprocess_HOOK() for HTML document templates.

rdf_preprocess_image in core/modules/rdf/rdf.module

Implements hook_preprocess_HOOK() for image.html.twig.

rdf_preprocess_node in core/modules/rdf/rdf.module

Implements hook_preprocess_HOOK() for node templates.

rdf_preprocess_taxonomy_term in core/modules/rdf/rdf.module

Implements hook_preprocess_HOOK() for taxonomy term templates.

rdf_preprocess_user in core/modules/rdf/rdf.module

Implements hook_preprocess_HOOK() for user templates.

rdf_preprocess_username in core/modules/rdf/rdf.module

Implements hook_preprocess_HOOK() for username.html.twig.

search_embedded_form_preprocess_search_result in core/modules/search/tests/modules/search_embedded_form/search_embedded_form.module

Adds the test form to search results.

seven_preprocess_admin_block_content in core/themes/seven/seven.theme

Implements hook_preprocess_HOOK() for block admin page templates.

seven_preprocess_block in core/themes/seven/seven.theme

Implements hook_preprocess_block() for block content.

seven_preprocess_block_content_add_list in core/themes/seven/seven.theme

Implements hook_preprocess_HOOK() for block content add list templates.

seven_preprocess_fieldset__media_library_widget in core/themes/seven/seven.theme

@todo Remove this when https://www.drupal.org/project/drupal/issues/2999549 lands.

seven_preprocess_html in core/themes/seven/seven.theme

Implements hook_preprocess_HOOK() for HTML document templates.

seven_preprocess_image_widget in core/themes/seven/seven.theme

Implements hook_preprocess_image_widget().

seven_preprocess_install_page in core/themes/seven/seven.theme

Implements hook_preprocess_install_page().

seven_preprocess_item_list__media_library_add_form_media_list in core/themes/seven/seven.theme

Implements hook_preprocess_item_list__media_library_add_form_media_list().

seven_preprocess_links in core/themes/seven/seven.theme

Implements template_preprocess_links().

seven_preprocess_links__media_library_menu in core/themes/seven/seven.theme

Implements hook_preprocess_links__media_library_menu().

seven_preprocess_maintenance_page in core/themes/seven/seven.theme

Implements hook_preprocess_maintenance_page().

seven_preprocess_media_library_item__small in core/themes/seven/seven.theme

Implements hook_preprocess_media_library_item__small().

seven_preprocess_media_library_item__widget in core/themes/seven/seven.theme

Implements hook_preprocess_media_library_item__widget().

seven_preprocess_menu_local_action in core/themes/seven/seven.theme

Implements hook_preprocess_HOOK() for menu-local-action templates.

seven_preprocess_menu_local_task in core/themes/seven/seven.theme

Implements hook_preprocess_HOOK() for menu-local-task templates.

seven_preprocess_menu_local_tasks in core/themes/seven/seven.theme

Implements hook_preprocess_HOOK() for menu-local-tasks templates.

seven_preprocess_node_add_list in core/themes/seven/seven.theme

Implements hook_preprocess_HOOK() for list of available node type templates.

seven_preprocess_update_version in core/themes/seven/seven.theme

Prepares variables for update version templates.

seven_preprocess_views_view_fields__media_library in core/themes/seven/seven.theme

Implements hook_preprocess_views_view_fields().

stable_preprocess_image_widget in core/themes/stable/stable.theme

Implements hook_preprocess_image_widget().

stable_preprocess_links in core/themes/stable/stable.theme

Implements template_preprocess_links().

statistics_preprocess_block in core/modules/statistics/statistics.module

Implements hook_preprocess_HOOK() for block templates.

template_preprocess_aggregator_feed in core/modules/aggregator/aggregator.theme.inc

Prepares variables for aggregator feed templates.

template_preprocess_aggregator_item in core/modules/aggregator/aggregator.theme.inc

Prepares variables for aggregator item templates.

template_preprocess_authorize_report in core/includes/theme.maintenance.inc

Prepares variables for authorize.php operation report templates.

template_preprocess_book_all_books_block in core/modules/book/book.module

Prepares variables for book listing block templates.

template_preprocess_book_export_html in core/modules/book/book.module

Prepares variables for book export templates.

template_preprocess_book_navigation in core/modules/book/book.module

Prepares variables for book navigation templates.

template_preprocess_book_node_export_html in core/modules/book/book.module

Prepares variables for single node export templates.

template_preprocess_breadcrumb in core/includes/theme.inc

Prepares variables for breadcrumb templates.

template_preprocess_checkboxes in core/includes/form.inc

Prepares variables for checkboxes templates.

template_preprocess_ckeditor_settings_toolbar in core/modules/ckeditor/ckeditor.admin.inc

Prepares variables for CKEditor settings toolbar templates.

template_preprocess_color_scheme_form in core/modules/color/color.module

Prepares variables for color scheme form templates.

template_preprocess_container in core/includes/theme.inc

Prepares variables for container templates.

template_preprocess_datetime_form in core/includes/theme.inc

Prepares variables for datetime form element templates.

template_preprocess_datetime_wrapper in core/includes/theme.inc

Prepares variables for datetime form wrapper templates.

template_preprocess_details in core/includes/form.inc

Prepares variables for details element templates.

template_preprocess_field in core/includes/theme.inc

Prepares variables for field templates.

template_preprocess_fieldset in core/includes/form.inc

Prepares variables for fieldset element templates.

template_preprocess_field_multiple_value_form in core/includes/theme.inc

Prepares variables for individual form element templates.

template_preprocess_file_upload_help in core/modules/file/file.field.inc

Prepares variables for file upload help text templates.

template_preprocess_file_widget_multiple in core/modules/file/file.field.inc

Prepares variables for multi file form widget templates.

template_preprocess_form in core/includes/form.inc

Prepares variables for form templates.

template_preprocess_form_element in core/includes/form.inc

Returns HTML for a form element.

template_preprocess_form_element_label in core/includes/form.inc

Prepares variables for form label templates.

template_preprocess_forums in core/modules/forum/forum.module

Prepares variables for forums templates.

template_preprocess_forum_icon in core/modules/forum/forum.module

Prepares variables for forum icon templates.

template_preprocess_forum_list in core/modules/forum/forum.module

Prepares variables for forum list templates.

template_preprocess_forum_submitted in core/modules/forum/forum.module

Prepares variables for forum submission information templates.

template_preprocess_html in core/includes/theme.inc

Prepares variables for HTML document templates.

template_preprocess_image in core/includes/theme.inc

Prepares variables for image templates.

template_preprocess_input in core/includes/form.inc

Prepares variables for input templates.

template_preprocess_install_page in core/includes/theme.inc

Prepares variables for install page templates.

template_preprocess_item_list in core/includes/theme.inc

Prepares variables for item list templates.

template_preprocess_layout_test_2col in core/modules/system/tests/modules/layout_test/layout_test.module

Implements hook_preprocess_HOOK() for layout templates.

template_preprocess_links in core/includes/theme.inc

Prepares variables for links templates.

template_preprocess_maintenance_page in core/includes/theme.inc

Prepares variables for maintenance page templates.

template_preprocess_maintenance_task_list in core/includes/theme.inc

Prepares variables for maintenance task list templates.

template_preprocess_menu_local_action in core/includes/theme.inc

Prepares variables for single local action link templates.

template_preprocess_menu_local_task in core/includes/theme.inc

Prepares variables for single local task link templates.

template_preprocess_page in core/includes/theme.inc

Prepares variables for the page template.

template_preprocess_pager in core/includes/theme.inc

Prepares variables for pager templates.

template_preprocess_radios in core/includes/form.inc

Prepares variables for radios templates.

template_preprocess_rdf_metadata in core/modules/rdf/rdf.module

Prepares variables for RDF metadata templates.

template_preprocess_region in core/includes/theme.inc

Prepares variables for region templates.

template_preprocess_select in core/includes/form.inc

Prepares variables for select element templates.

template_preprocess_table in core/includes/theme.inc

Prepares variables for table templates.

template_preprocess_textarea in core/includes/form.inc

Prepares variables for textarea templates.

template_preprocess_theme_test_function_suggestions in core/modules/system/tests/modules/theme_legacy_test/theme_legacy_test.module

Implements template_preprocess_HOOK() for theme_test_function_suggestions theme functions.

template_preprocess_time in core/includes/theme.inc

Prepares variables for time templates.

template_preprocess_vertical_tabs in core/includes/form.inc

Prepares variables for vertical tabs templates.

test_basetheme_preprocess_theme_test_function_suggestions in core/modules/system/tests/themes/test_basetheme/test_basetheme.theme

Implements hook_preprocess_HOOK() for theme_test_function_suggestions theme functions.

test_basetheme_preprocess_theme_test_template_test in core/modules/system/tests/themes/test_basetheme/test_basetheme.theme

Implements hook_preprocess_HOOK() for theme_test_template_test templates.

test_legacy_theme_theme_test_preprocess_suggestions__kitten__meerkat in core/modules/system/tests/themes/test_legacy_theme/test_legacy_theme.theme

Tests a theme overriding a suggestion of a base theme hook.

test_stable_preprocess_theme_test_render_element in core/tests/fixtures/test_stable/test_stable.theme

Implements hook_preprocess_theme_test_render_element().

theme_region_test_preprocess_region in core/modules/system/tests/modules/theme_region_test/theme_region_test.module

Implements hook_preprocess_HOOK() for region templates.

toolbar_test_preprocess_menu in core/modules/toolbar/tests/modules/toolbar_test/toolbar_test.module

Implements hook_preprocess_HOOK().

twig_theme_test_preprocess_status_messages in core/modules/system/tests/modules/twig_theme_test/twig_theme_test.module

Implements template_preprocess_status_messages().

views_test_rss_preprocess_views_view_rss in core/modules/views/tests/modules/views_test_rss/views_test_rss.module

Implements hook_preprocess_HOOK().