Documentation & API reference
Functions
Primary tabs
| Name |
Location |
Description | Direct uses | Strings |
|---|---|---|---|---|
| theme_image |
drupal/ |
Returns HTML for an image. | ||
| theme_breadcrumb |
drupal/ |
Returns HTML for a breadcrumb trail. | ||
| drupal_pre_render_table |
drupal/ |
#pre_render callback to transform children of an element into #rows suitable for theme_table(). | 1 | |
| theme_table |
drupal/ |
Returns HTML for a table. | ||
| theme_tablesort_indicator |
drupal/ |
Returns HTML for a sort icon. | ||
| theme_mark |
drupal/ |
Returns HTML for a marker for new or updated content. | ||
| template_preprocess_item_list |
drupal/ |
Preprocesses variables for theme_item_list(). | ||
| theme_item_list |
drupal/ |
Returns HTML for a list or nested list of items. | ||
| theme_more_help_link |
drupal/ |
Returns HTML for a "more help" link. | ||
| theme_feed_icon |
drupal/ |
Returns HTML for a feed icon. | 1 | |
| theme_more_link |
drupal/ |
Returns HTML for a "more" link, like those used in blocks. | ||
| theme_progress_bar |
drupal/ |
Returns HTML for a progress bar. | ||
| theme_meter |
drupal/ |
Returns HTML for a meter. | ||
| theme_indentation |
drupal/ |
Returns HTML for an indentation div; used for drag and drop tables. | ||
| _theme_table_cell |
drupal/ |
Returns HTML output for a single table cell for theme_table(). | 2 | |
| template_preprocess |
drupal/ |
Adds a default set of helper variables for variable processors and templates. | 1 | 2 |
| _template_preprocess_default_variables |
drupal/ |
Returns hook-independent variables to template_preprocess(). | 1 | |
| template_preprocess_html |
drupal/ |
Prepares variables for HTML document templates. | ||
| template_preprocess_page |
drupal/ |
Prepares variables for the page template. | ||
| template_process_page |
drupal/ |
Processes variables for page.html.twig. | ||
| template_process_html |
drupal/ |
Processes variables for html.html.twig. | ||
| theme_get_suggestions |
drupal/ |
Generate an array of suggestions from path arguments. | 4 | |
| template_preprocess_maintenance_page |
drupal/ |
Prepare variables for maintenance page templates. | ||
| template_process_maintenance_page |
drupal/ |
Theme process function for theme_maintenance_field(). | ||
| template_preprocess_region |
drupal/ |
Preprocess variables for region.tpl.php | ||
| drupal_common_theme |
drupal/ |
Provides theme registration for themes across .inc files. | 1 | |
| _drupal_maintenance_theme |
drupal/ |
Sets up the theming system for maintenance page. | 1 | 1 |
| _theme_load_offline_registry |
drupal/ |
Builds the registry when the site needs to bypass any database calls. | 1 | |
| theme_task_list |
drupal/ |
Returns HTML for a list of maintenance tasks to perform. | ||
| theme_install_page |
drupal/ |
Returns HTML for the installation page. | ||
| theme_authorize_report |
drupal/ |
Returns HTML for a results report of an operation run by authorize.php. | ||
| theme_authorize_message |
drupal/ |
Returns HTML for a single log message from the authorize.php batch operation. | ||
| unicode_requirements |
drupal/ |
Returns Unicode library status and errors. | 1 | |
| drupal_xml_parser_create |
drupal/ |
Prepares a new XML parser. | 2 | |
| drupal_convert_to_utf8 |
drupal/ |
Converts data to UTF-8. | 1 | |
| drupal_truncate_bytes |
drupal/ |
Truncates a UTF-8-encoded string safely to a number of bytes. | ||
| truncate_utf8 |
drupal/ |
Truncates a UTF-8-encoded string safely to a number of characters. | 18 | |
| mime_header_encode |
drupal/ |
Encodes MIME/HTTP header values that contain incorrectly encoded characters. | 2 | |
| mime_header_decode |
drupal/ |
Decodes MIME/HTTP encoded header values. | ||
| decode_entities |
drupal/ |
Decodes all HTML entities (including numerical ones) to regular UTF-8 bytes. | 24 | |
| drupal_strlen |
drupal/ |
Counts the number of characters in a UTF-8 string. | 28 | 2 |
| drupal_strtoupper |
drupal/ |
Uppercase a UTF-8 string. | 5 | 1 |
| drupal_strtolower |
drupal/ |
Lowercase a UTF-8 string. | 83 | |
| drupal_ucfirst |
drupal/ |
Capitalizes the first letter of a UTF-8 string. | 6 | |
| drupal_substr |
drupal/ |
Cuts off a piece of a string based on character indices and counts. | 21 | |
| update_variables_to_state |
drupal/ |
Updates 7.x variables to state records. | 8 | |
| update_add_uuids |
drupal/ |
Helper function to update entities with uuid. | 5 | |
| update_add_cache_columns |
drupal/ |
Adds tags, checksum_invalidations, checksum_deletions to a cache table. | 1 | |
| update_fix_compatibility |
drupal/ |
Disables any extensions that are incompatible with the current core version. | 1 | |
| update_check_incompatibility |
drupal/ |
Tests the compatibility of a module or theme. | 2 |