Documentation & API reference
Functions
Primary tabs
| Name | Location | Description | Direct uses |
Strings |
|---|---|---|---|---|
| list_allowed_values_setting_validate |
drupal/ |
Element validate callback; check that the entered values are valid. | 1 | |
| list_boolean_allowed_values_callback |
drupal/ |
Form element #value_callback: assembles the allowed values for 'boolean' fields. | 1 | |
| number_field_widget_validate |
drupal/ |
FAPI validation of an individual number element. | 1 | |
| _field_sql_storage_columnname |
drupal/ |
Generate a column name for a field data table. | 12 | 1 |
| field_sql_storage_field_storage_query |
drupal/ |
Implements hook_field_storage_query(). | 3 | 1 |
| _field_sql_storage_query_field_conditions |
drupal/ |
Adds field (meta) conditions to the given query objects respecting groupings. | 1 | 1 |
| _field_sql_storage_query_columnname |
drupal/ |
Field meta condition column callback. | 1 | |
| options_field_widget_validate |
drupal/ |
Form element validation handler for options element. | 1 | |
| list_test_dynamic_values_callback |
drupal/ |
An entity-bound allowed values callback. | 1 | |
| _drupal_trigger_error_with_delayed_logging |
drupal/ |
Invokes trigger_error() with logging delayed until the end of the request. | 1 | 1 |
| drupal_autoload_trait |
drupal/ |
Confirms that a trait is available. | 1 | 1 |
| form_process_autocomplete |
drupal/ |
Process function to prepare autocomplete data. | 1 | |
| field_ui_admin_access |
drupal/ |
Access callback to determine if a user is allowed to use the field UI. | 1 | |
| _simpletest_autoload_psr4_psr0 |
drupal/ |
Autoload callback to find PSR-4 and PSR-0 test classes. | 1 | |
| _user_cancel_session_regenerate |
drupal/ |
Implements callback_batch_finished(). | 1 | |
| color_palette_color_value |
drupal/ |
Determines the value for a palette color field. | 1 | |
| system_cron_test_flush_caches |
drupal/ |
Implements hook_flush_caches(). | 1 | |
| ajax_forms_test_advanced_commands_add_css_callback |
drupal/ |
Ajax callback for 'add_css'. | 1 | |
| module_test_altered_test_hook |
drupal/ |
Implements hook_altered_test_hook() | 1 | |
| _theme_test_drupal_add_region_content |
drupal/ |
Page callback, calls drupal_add_region_content. | 1 | |
| _theme_test_engine_info_test |
drupal/ |
Serves a simple page renderered using a Nyan Cat theme engine template. | 1 | |
| common_test_drupal_render_printing_pre_render |
drupal/ |
Applies #printed to an element to help test #pre_render. | 1 | |
| form_test_validate_no_token |
drupal/ |
Form builder for testing submission of a form without a CSRF token. | 1 | |
| _form_test_tableselect_ajax_callback |
drupal/ |
Ajax callback that returns the form element. | 1 | |
| form_test_storage_legacy_handler |
drupal/ |
Emulate legacy AHAH-style ajax callback. | 1 | |
| form_test_storage_page_cache_form |
drupal/ |
A simple form for testing form storage when page caching is enabled. | 1 | |
| form_test_storage_page_cache_old_build_id |
drupal/ |
Form element #after_build callback: output the old form build-id. | 1 | |
| form_test_storage_page_cache_rebuild |
drupal/ |
Form submit callback: Rebuild the form and continue. | 1 | |
| system_test_drupal_set_message |
drupal/ |
Sets two messages and removes the first one before the messages are displayed. | 1 | |
| system_test_get_destination |
drupal/ |
Page callback to print out $_GET['destination'] for testing. | 1 | |
| system_test_request_destination |
drupal/ |
Page callback to print out $_REQUEST['destination'] for testing. | 1 | |
| system_test_drupal_get_filename |
drupal/ |
Page callback to run drupal_get_filename() on a particular module. | 1 | |
| system_test_drupal_get_filename_with_schema_rebuild |
drupal/ |
Page callback to run drupal_get_filename() and do a schema rebuild. | 1 | |
| user_form_test_user_account_submit |
drupal/ |
Submit function for user_profile_form(). | 1 | |
| _unicode_caseflip |
drupal/ |
Flips U+C0-U+DE to U+E0-U+FD and back. | 2 | |
| cache_clear_all |
drupal/ |
Expires data from the cache. | 80 | 2 |
| ajax_base_page_theme |
drupal/ |
Theme callback for Ajax requests. | 2 | |
| st |
drupal/ |
Translates a string when some systems are not available. | 39 | 2 |
| locale_language_url_rewrite_url |
drupal/ |
Rewrite URLs for the URL language provider. | 2 | |
| file_directory_temp |
drupal/ |
Gets the path of system-appropriate temporary directory. | 5 | 2 |
| l |
drupal/ |
Formats an internal or external URL link as an HTML anchor tag. | 141 | 2 |
| drupal_deliver_html_page |
drupal/ |
Packages and sends the result of a page callback to the browser as HTML. | 2 | |
| drupal_sort_css_js |
drupal/ |
Sorts CSS and JavaScript resources. | 2 | |
| _drupal_build_css_path |
drupal/ |
Prefixes all paths within a CSS file for drupal_build_css_cache(). | 2 | 2 |
| drupal_delete_file_if_stale |
drupal/ |
Callback to delete files modified more than a set time ago. | 2 | |
| drupal_html_id |
drupal/ |
Prepares a string for use as a valid HTML ID and guarantees uniqueness. | 13 | 2 |
| drupal_get_library |
drupal/ |
Retrieves information for a JavaScript/CSS library. | 5 | 2 |
| element_sort_by_title |
drupal/ |
Array sorting callback; sorts elements by title. | 2 | |
| element_validate_integer |
drupal/ |
Form element validation handler for integer elements. | 1 | 2 |
| _drupal_error_handler |
drupal/ |
Provides custom PHP error handling. | 2 | 2 |