147 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.

comment_preprocess_block in core/modules/comment/comment.module

Implements hook_preprocess_HOOK() for block templates.

comment_preprocess_field in core/modules/comment/comment.module

Prepares variables for comment field templates.

common_test_preprocess_common_test_render_element in core/modules/system/tests/modules/common_test/common_test.module

Implements MODULE_preprocess_HOOK().

content_translation_preprocess_language_content_settings_table in core/modules/content_translation/content_translation.module

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

help_preprocess_block in core/modules/help/help.module

Implements hook_preprocess_HOOK() for block templates.

inline_form_errors_preprocess_datetime_wrapper in core/modules/inline_form_errors/inline_form_errors.module

Implements hook_preprocess_HOOK() for datetime form wrapper templates.

inline_form_errors_preprocess_details in core/modules/inline_form_errors/inline_form_errors.module

Implements hook_preprocess_HOOK() for details element templates.

inline_form_errors_preprocess_fieldset in core/modules/inline_form_errors/inline_form_errors.module

Implements hook_preprocess_HOOK() for fieldset element templates.

inline_form_errors_preprocess_form_element in core/modules/inline_form_errors/inline_form_errors.module

Implements hook_preprocess_HOOK() for form element templates.

node_preprocess_block in core/modules/node/node.module

Implements hook_preprocess_HOOK() for block templates.

node_preprocess_field__node in core/modules/node/node.module

Implements hook_preprocess_HOOK() for node field templates.

node_preprocess_html in core/modules/node/node.module

Implements hook_preprocess_HOOK() for HTML document templates.

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.

system_preprocess_block in core/modules/system/system.module

Implements hook_preprocess_HOOK() for block templates.

system_preprocess_toolbar in core/modules/system/system.module

Implements hook_preprocess_toolbar().

template_preprocess_admin_block_content in core/modules/system/system.admin.inc

Prepares variables for administrative content block templates.

template_preprocess_admin_page in core/modules/system/system.admin.inc

Prepares variables for administrative index page 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_block in core/modules/block/block.module

Prepares variables for block templates.

template_preprocess_block_content_add_list in core/modules/block_content/block_content.pages.inc

Prepares variables for a custom block type creation list 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_comment in core/modules/comment/comment.module

Prepares variables for comment 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_entity_add_list in core/modules/system/system.module

Prepares variables for the list of available bundles.

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_field_ui_table in core/modules/field_ui/field_ui.module

Prepares variables for field UI overview table templates.

template_preprocess_filter_guidelines in core/modules/filter/filter.module

Prepares variables for text format guideline templates.

template_preprocess_filter_tips in core/modules/filter/filter.module

Prepares variables for filter tips 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_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_image_anchor in core/modules/image/image.admin.inc

Prepares variables for image anchor templates.

template_preprocess_image_formatter in core/modules/image/image.field.inc

Prepares variables for image formatter templates.

template_preprocess_image_style in core/modules/image/image.module

Prepares variables for image style templates.

template_preprocess_image_style_preview in core/modules/image/image.admin.inc

Prepares variables for image style preview templates.

template_preprocess_image_widget in core/modules/image/image.field.inc

Prepares variables for image widget 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 in core/modules/layout_discovery/layout_discovery.module

Prepares variables for layout 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_link_formatter_link_separate in core/modules/link/link.module

Prepares variables for separated link field 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_node in core/modules/node/node.module

Prepares variables for node templates.

template_preprocess_node_add_list in core/modules/node/node.module

Prepares variables for list of available node type 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_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_system_admin_index in core/modules/system/system.admin.inc

Prepares variables for admin index templates.

template_preprocess_system_modules_details in core/modules/system/system.admin.inc

Prepares variables for the module details templates.

template_preprocess_system_modules_uninstall in core/modules/system/system.admin.inc

Prepares variables for module uninstall templates.

template_preprocess_system_security_advisories_fetch_error_message in core/modules/system/system.theme.inc

Prepares variables for security advisories fetch error message templates.

template_preprocess_system_themes_page in core/modules/system/system.admin.inc

Prepares variables for appearance page templates.

template_preprocess_table in core/includes/theme.inc

Prepares variables for table templates.

template_preprocess_taxonomy_term in core/modules/taxonomy/taxonomy.module

Prepares variables for taxonomy term templates.

template_preprocess_textarea in core/includes/form.inc

Prepares variables for textarea templates.

template_preprocess_text_format_wrapper in core/modules/filter/filter.module

Prepares variables for text format wrapper templates.

template_preprocess_theme_test in core/modules/system/tests/modules/theme_test/theme_test.inc

Preprocesses variables for theme_theme_test().

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_theme_test_registered_by_module in core/modules/system/tests/modules/theme_test/theme_test.module

Implements template_preprocess_HOOK() for theme_test_registered_by_module.

template_preprocess_theme_test_render_element in core/modules/system/tests/modules/theme_test/theme_test.module

Prepares variables for test render element templates.

template_preprocess_time in core/includes/theme.inc

Prepares variables for time templates.

template_preprocess_toolbar in core/modules/toolbar/toolbar.module

Prepares variables for administration toolbar templates.

template_preprocess_update_fetch_error_message in core/modules/update/update.report.inc

Prepares variables for update fetch error message templates.

template_preprocess_update_last_check in core/modules/update/update.module

Prepares variables for last time update data was checked templates.

template_preprocess_update_project_status in core/modules/update/update.report.inc

Prepares variables for update project status templates.

template_preprocess_update_report in core/modules/update/update.report.inc

Prepares variables for project status report templates.

template_preprocess_update_version in core/modules/update/update.report.inc

Prepares variables for update version templates.

template_preprocess_user in core/modules/user/user.module

Prepares variables for user templates.

template_preprocess_username in core/modules/user/user.module

Prepares variables for username templates.

template_preprocess_vertical_tabs in core/includes/form.inc

Prepares variables for vertical tabs templates.

template_preprocess_views_exposed_form in core/modules/views/views.theme.inc

Prepares variables for views exposed form templates.

template_preprocess_views_mini_pager in core/modules/views/views.theme.inc

Prepares variables for views mini-pager templates.

template_preprocess_views_ui_build_group_filter_form in core/modules/views_ui/views_ui.theme.inc

Prepares variables for Views UI build group filter form templates.

template_preprocess_views_ui_display_tab_bucket in core/modules/views_ui/views_ui.theme.inc

Prepares variables for Views UI display tab bucket templates.

template_preprocess_views_ui_display_tab_setting in core/modules/views_ui/views_ui.theme.inc

Prepares variables for Views UI display tab setting templates.

template_preprocess_views_ui_rearrange_filter_form in core/modules/views_ui/views_ui.theme.inc

Prepares variables for Views UI rearrange filter form templates.

template_preprocess_views_ui_style_plugin_table in core/modules/views_ui/views_ui.theme.inc

Prepares variables for style plugin table templates.

template_preprocess_views_ui_views_listing_table in core/modules/views_ui/views_ui.theme.inc

Prepares variables for Views UI view listing templates.

template_preprocess_views_ui_view_preview_section in core/modules/views_ui/views_ui.theme.inc

Prepares variables for views UI view preview section templates.

template_preprocess_views_view in core/modules/views/views.theme.inc

Prepares variables for view templates.

template_preprocess_views_view_field in core/modules/views/views.theme.inc

Prepares variables for views field templates.

template_preprocess_views_view_fields in core/modules/views/views.theme.inc

Prepares variables for views fields templates.

template_preprocess_views_view_grid in core/modules/views/views.theme.inc

Prepares variables for views grid style templates.

template_preprocess_views_view_grouping in core/modules/views/views.theme.inc

Prepares variables for views single grouping templates.

template_preprocess_views_view_list in core/modules/views/views.theme.inc

Prepares variables for Views HTML list templates.

template_preprocess_views_view_mapping_test in core/modules/views/tests/modules/views_test_data/views_test_data.module

Prepares variables for the mapping row style test templates.

template_preprocess_views_view_opml in core/modules/views/views.theme.inc

Prepares variables for OPML feed templates.

template_preprocess_views_view_row_opml in core/modules/views/views.theme.inc

Prepares variables for views OPML item templates.

template_preprocess_views_view_row_rss in core/modules/views/views.theme.inc

Prepares variables for views RSS item templates.

template_preprocess_views_view_rss in core/modules/views/views.theme.inc

Prepares variables for RSS feed templates.

template_preprocess_views_view_summary in core/modules/views/views.theme.inc

Prepares variables for views summary templates.

template_preprocess_views_view_summary_unformatted in core/modules/views/views.theme.inc

Prepares variables for unformatted summary view templates.

template_preprocess_views_view_table in core/modules/views/views.theme.inc

Prepares variables for views table templates.

template_preprocess_views_view_unformatted in core/modules/views/views.theme.inc

Prepares variables for views unformatted rows 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().

test_subsubtheme_preprocess_theme_test_template_test in core/modules/system/tests/themes/test_subsubtheme/test_subsubtheme.theme

Implements hook_preprocess_HOOK() for theme_test_template_test templates.

test_subtheme_preprocess_theme_test_template_test in core/modules/system/tests/themes/test_subtheme/test_subtheme.theme

Implements hook_preprocess_HOOK() for theme_test_template_test templates.

test_theme_nyan_cat_engine_preprocess_theme_test_template_test in core/modules/system/tests/themes/test_theme_nyan_cat_engine/test_theme_nyan_cat_engine.theme

Implements hook_preprocess_theme_test_template_test().

test_theme_preprocess_theme_test_preprocess_suggestions in core/modules/system/tests/themes/test_theme/test_theme.theme

Tests a theme overriding a default hook with a suggestion.

test_theme_preprocess_theme_test_preprocess_suggestions__kitten in core/modules/system/tests/themes/test_theme/test_theme.theme

Tests a theme overriding a default hook with a suggestion.

test_theme_preprocess_theme_test_preprocess_suggestions__kitten__flamingo in core/modules/system/tests/themes/test_theme/test_theme.theme

Tests a theme overriding a default hook with a suggestion.

test_theme_preprocess_theme_test_preprocess_suggestions__kitten__meerkat__tarsier__moose in core/modules/system/tests/themes/test_theme/test_theme.theme

Tests a preprocess function with suggestions.

test_theme_preprocess_theme_test_preprocess_suggestions__suggestion in core/modules/system/tests/themes/test_theme/test_theme.theme

Tests a theme overriding a default hook with a suggestion.

test_theme_preprocess_theme_test_theme_class in core/modules/system/tests/themes/test_theme/test_theme.theme

Tests that a class can be loaded within a .theme file.

test_theme_preprocess_twig_theme_test_php_variables in core/modules/system/tests/themes/test_theme/test_theme.theme

Implements THEME_preprocess_twig_theme_test_php_variables().

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.

theme_test_preprocess_html in core/modules/system/tests/modules/theme_test/theme_test.module

Implements hook_preprocess_HOOK() for HTML document templates.

theme_test_preprocess_theme_test_preprocess_suggestions in core/modules/system/tests/modules/theme_test/theme_test.module

Implements hook_preprocess_HOOK().

theme_test_preprocess_theme_test_preprocess_suggestions__monkey in core/modules/system/tests/modules/theme_test/theme_test.module

Tests a module overriding a default hook with a suggestion.

theme_test_theme_suggestions_theme_test_preprocess_suggestions in core/modules/system/tests/modules/theme_test/theme_test.module

Implements hook_theme_suggestions_HOOK().

toolbar_preprocess_html in core/modules/toolbar/toolbar.module

Implements hook_preprocess_HOOK() for HTML document 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().

user_preprocess_block in core/modules/user/user.module

Implements hook_preprocess_HOOK() for block templates.

user_template_preprocess_default_variables_alter in core/modules/user/user.module

Implements hook_template_preprocess_default_variables_alter().

views_preprocess_comment in core/modules/views/views.module

Allows view-based comment templates if called from a view.

views_preprocess_node in core/modules/views/views.module

Allows view-based node templates if called from a view.

views_test_data_preprocess_views_view_table in core/modules/views/tests/modules/views_test_data/views_test_data.module

Implements hook_preprocess_HOOK() for views table templates.

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

Implements hook_preprocess_HOOK().

views_ui_preprocess_views_view in core/modules/views_ui/views_ui.module

Implements hook_preprocess_HOOK() for views templates.