Documentation & API reference
Functions
Primary tabs
| Name | Location | Description |
Direct uses |
Strings |
|---|---|---|---|---|
| field_info_formatter_settings |
drupal/ |
Returns a field formatter's default settings. | 9 | |
| field_attach_form |
drupal/ |
Adds form elements for all fields for an entity to a form structure. | 9 | |
| language_negotiation_url_prefixes |
drupal/ |
Reads language prefixes and uses the langcode if no prefix is set. | 9 | |
| db_drop_primary_key |
drupal/ |
Drops the primary key of a database table. | 8 | |
| drupal_install_profile_distribution_name |
drupal/ |
Loads the installation profile, extracting its defined distribution name. | 8 | |
| update_variables_to_state |
drupal/ |
Updates 7.x variables to state records. | 8 | |
| drupal_schema_fields_sql |
drupal/ |
Retrieves a list of fields from a table schema. | 8 | |
| file_get_stream_wrappers |
drupal/ |
Provides Drupal stream wrapper registry. | 8 | 2 |
| drupal_theme_rebuild |
drupal/ |
Forces the system to rebuild the theme registry. | 8 | |
| drupal_set_breadcrumb |
drupal/ |
Sets the breadcrumb trail for the current page. | 8 | |
| drupal_parse_url |
drupal/ |
Parses a system URL string into an associative array suitable for url(). | 8 | |
| drupal_json_encode |
drupal/ |
Converts a PHP variable into its JavaScript equivalent. | 8 | |
| drupal_cron_run |
drupal/ |
Executes a cron run when called. | 8 | |
| drupal_flush_all_caches |
drupal/ |
Flushes all persistent caches, resets all variables, and rebuilds all data structures. | 8 | |
| drupal_build_form |
drupal/ |
Builds and processes a form for a given form ID. | 8 | |
| request_uri |
drupal/ |
Returns the equivalent of Apache's $_SERVER['REQUEST_URI'] variable. | 8 | |
| drupal_language_initialize |
drupal/ |
Initializes all the defined language types and sets the default langcode. | 8 | |
| taxonomy_term_load_parents |
drupal/ |
Finds all parents of a given term ID. | 8 | 1 |
| node_type_get_names |
drupal/ |
Returns a list of available node type names. | 8 | |
| node_type_set_defaults |
drupal/ |
Sets the default values for a node type. | 8 | |
| node_hook |
drupal/ |
Determines whether a node hook exists. | 8 | |
| node_update_index |
drupal/ |
Implements hook_update_index(). | 8 | |
| user_preferred_langcode |
drupal/ |
Get the language object preferred by the user. This user preference can be set on the user account editing page, and is only available if there are more than one languages enabled on the site. If the user did not choose a preferred language, or is the… | 8 | |
| views_fetch_plugin_names |
drupal/ |
Fetch a list of all base tables available | 8 | |
| filter_list_format |
drupal/ |
Retrieves a list of filters for a given text format. | 8 | 1 |
| image_style_path |
drupal/ |
Returns the URI of an image when using a style. | 8 | |
| _file_test_log_call |
drupal/ |
Store the values passed to a hook invocation. | 8 | |
| language_types_get_configurable |
drupal/ |
Returns only the configurable language types. | 8 | 1 |
| drupal_mail |
drupal/ |
Composes and optionally sends an e-mail message. | 8 | |
| drupal_html_to_text |
drupal/ |
Transforms an HTML string into plain text, preserving its structure. | 8 | |
| xmlrpc_error |
drupal/ |
Generates, temporarily saves, and returns an XML-RPC error object. | 8 | |
| field_delete_instance Deprecated |
drupal/ |
Marks a field instance and its data for deletion. | 8 | |
| field_info_storage_types |
drupal/ |
Returns information about field storage from hook_field_storage_info(). | 8 | |
| field_form_set_state |
drupal/ |
Stores processing information about a field in $form_state. | 8 | |
| translation_supported_type |
drupal/ |
Returns whether the given content type has support for translations. | 8 | |
| db_query_range |
drupal/ |
Executes a query against the active database, restricted to a range. | 7 | 2 |
| db_and |
drupal/ |
Returns a new DatabaseCondition, set to "AND" all conditions together. | 7 | |
| module_uninstall Deprecated |
drupal/ |
Uninstalls a given list of disabled modules. | 7 | |
| file_unmanaged_move |
drupal/ |
Moves a file to a new location without database changes or hook invocation. | 7 | |
| file_save_upload |
drupal/ |
Saves file uploads to a new location. | 7 | |
| drupal_add_feed |
drupal/ |
Adds a feed URL for the current page. | 7 | |
| format_xml_elements |
drupal/ |
Formats XML elements. | 7 | |
| parse_size |
drupal/ |
Parses a given byte count. | 7 | |
| url_is_external |
drupal/ |
Returns TRUE if a path is external to Drupal (e.g. http://example.com). | 7 | |
| drupal_add_html_head_link |
drupal/ |
Adds a LINK tag with a distinct 'rel' attribute to the page's HEAD. | 7 | |
| drupal_render_page |
drupal/ |
Renders the page, including all theming. | 7 | |
| debug |
drupal/ |
Outputs debug information. | 7 | 11 |
| _menu_link_translate |
drupal/ |
Provides menu link access control, translation, and argument handling. | 7 | |
| menu_tree_output |
drupal/ |
Returns a rendered menu tree. | 7 | |
| menu_cache_clear_all |
drupal/ |
Clears all cached menu data. | 7 |