Documentation & API reference
Functions
Primary tabs
| Name | Location | Description |
Direct uses |
Strings |
|---|---|---|---|---|
| module_invoke Deprecated |
drupal/ |
Invokes a hook in a particular module. | 46 | |
| update_variables_to_config |
drupal/ |
Updates config with values set on Drupal 7.x. | 45 | |
| language_save |
drupal/ |
API function to add or update a language. | 44 | |
| filter_xss_admin |
drupal/ |
Applies a very permissive XSS/HTML filter for admin-only use. | 43 | 1 |
| drupal_realpath |
drupal/ |
Returns the absolute local filesystem path of a stream URI. | 42 | |
| drupal_get_destination |
drupal/ |
Prepares a 'destination' URL query parameter for use with drupal_goto(). | 42 | 1 |
| language_load |
drupal/ |
Loads a language object from the database. | 41 | |
| field_info_instances |
drupal/ |
Retrieves information about field instances. | 41 | |
| st |
drupal/ |
Translates a string when some systems are not available. | 40 | 5 |
| drupal_basename |
drupal/ |
Gets the filename from a given path. | 37 | |
| conf_path |
drupal/ |
Returns the appropriate configuration directory. | 37 | 3 |
| list_themes |
drupal/ |
Returns a list of all currently available themes. | 36 | 1 |
| form_set_value |
drupal/ |
Changes submitted form values during form validation. | 36 | |
| file_uri_scheme |
drupal/ |
Returns the scheme of a URI (e.g. a stream). | 34 | |
| theme_enable |
drupal/ |
Enables a given list of themes. | 34 | |
| base_path |
drupal/ |
Returns the base URL path (i.e., directory) of the Drupal installation. | 34 | |
| drupal_add_library |
drupal/ |
Adds multiple JavaScript or CSS files at the same time. | 33 | 2 |
| field_update_field Deprecated |
drupal/ |
Updates a field. | 33 | |
| format_interval |
drupal/ |
Formats a time interval with the requested granularity. | 32 | 7 |
| field_test_create_entity |
drupal/ |
Creates a basic test_entity entity. | 32 | |
| drupal_add_css |
drupal/ |
Adds a cascading stylesheet to the stylesheet queue. | 31 | 6 |
| entity_get_bundles |
drupal/ |
Returns the entity bundle info. | 30 | 1 |
| field_info_field_types |
drupal/ |
Returns information about field types from hook_field_info(). | 29 | |
| drupal_strlen |
drupal/ |
Counts the number of characters in a UTF-8 string. | 28 | 2 |
| entity_get_form |
drupal/ |
Returns the built and processed entity form for the given entity. | 28 | 4 |
| drupal_goto |
drupal/ |
Sends the user to a different Drupal page. | 28 | 4 |
| menu_get_item |
drupal/ |
Gets a router item. | 28 | |
| drupal_get_form |
drupal/ |
Returns a renderable form array for a given form ID. | 28 | 26 |
| get_t |
drupal/ |
Returns the name of the proper localization function. | 28 | |
| field_info_field_by_id |
drupal/ |
Returns data about an individual field, given a field ID. | 28 | |
| db_create_table |
drupal/ |
Creates a new table from a Drupal table definition. | 27 | |
| batch_set |
drupal/ |
Adds a new batch. | 27 | |
| node_access |
drupal/ |
Access callback: Checks a user's permission for performing a node operation. | 27 | 33 |
| file_prepare_directory |
drupal/ |
Checks that the directory exists and is writable. | 26 | |
| db_change_field |
drupal/ |
Changes a field definition. | 25 | |
| drupal_json_decode |
drupal/ |
Converts an HTML-safe JSON string into its PHP equivalent. | 25 | |
| drupal_render_children |
drupal/ |
Renders children of an element and concatenates them. | 25 | |
| cache_invalidate_tags Deprecated |
drupal/ |
Marks cache items from all bins with any of the specified tags as invalid. | 25 | 1 |
| _field_sql_storage_tablename |
drupal/ |
Generates a table name for a field data table. | 25 | 1 |
| decode_entities |
drupal/ |
Decodes all HTML entities (including numerical ones) to regular UTF-8 bytes. | 24 | |
| file_scan_directory |
drupal/ |
Finds all files that match a given mask in a given directory. | 24 | |
| drupal_get_js |
drupal/ |
Returns a themed presentation of all JavaScript code for the current page. | 24 | |
| module_load_install |
drupal/ |
Loads a module's installation hooks. | 23 | |
| filter_xss |
drupal/ |
Filters HTML to prevent cross-site-scripting (XSS) vulnerabilities. | 23 | |
| arg |
drupal/ |
Returns a component of the current Drupal path. | 23 | 1 |
| batch_test_stack |
drupal/ |
Helper function: Stores or retrieves traced execution data. | 23 | |
| field_info_cache_clear |
drupal/ |
Clears the field info cache without clearing the field data cache. | 23 | |
| field_attach_load |
drupal/ |
Loads fields for the current revisions of a group of entities. | 23 | |
| _field_sql_storage_revision_tablename |
drupal/ |
Generates a table name for a field revision archive table. | 23 | 1 |
| db_add_field |
drupal/ |
Adds a new field to a table. | 22 |