Documentation & API reference
Functions
Primary tabs
| Name | Location | Description |
Direct uses |
Strings |
|---|---|---|---|---|
| drupal_html_class |
drupal/ |
Prepares a string for use as a valid class name. | 22 | |
| element_set_attributes |
drupal/ |
Sets HTML attributes based on element properties. | 22 | |
| menu_router_rebuild |
drupal/ |
Populates the database tables used by various menu functions. | 22 | |
| user_role_grant_permissions |
drupal/ |
Grant permissions to a user role. | 22 | |
| db_drop_table |
drupal/ |
Drops a table. | 21 | |
| drupal_substr |
drupal/ |
Cuts off a piece of a string based on character indices and counts. | 21 | |
| check_url |
drupal/ |
Strips dangerous protocols from a URI and encodes it for output to HTML. | 21 | |
| drupal_html_id |
drupal/ |
Prepares a string for use as a valid HTML ID and guarantees uniqueness. | 21 | 3 |
| system_rebuild_module_data |
drupal/ |
Rebuild, save, and return data about all currently available modules. | 21 | 2 |
| filter_formats |
drupal/ |
Retrieves a list of text formats, ordered by weight. | 21 | 2 |
| entity_delete_multiple |
drupal/ |
Deletes multiple entities permanently. | 20 | |
| update_variable_get |
drupal/ |
Gets the value of a variable from the database during 7.x-8.x upgrades. | 20 | |
| module_disable Deprecated |
drupal/ |
Disables a given set of modules. | 20 | |
| file_unmanaged_copy |
drupal/ |
Copies a file to a new location without invoking the file API. | 20 | |
| drupal_unlink |
drupal/ |
Deletes a file. | 20 | |
| batch_get |
drupal/ |
Retrieves the current batch. | 20 | |
| db_table_exists |
drupal/ |
Checks if a table exists. | 19 | |
| drupal_get_schema |
drupal/ |
Gets the schema definition of a table, or the whole database schema. | 19 | |
| confirm_form Deprecated |
drupal/ |
Generates a form array for a confirmation form. | 19 | 1 |
| node_type_get_types |
drupal/ |
Returns a list of all the available node types. | 19 | |
| user_format_name |
drupal/ |
Format a username. | 19 | |
| filter_format_load |
drupal/ |
Loads a text format object from the database. | 19 | |
| filter_permission_name |
drupal/ |
Returns the machine-readable permission name for a provided text format. | 19 | |
| db_or |
drupal/ |
Returns a new DatabaseCondition, set to "OR" all conditions together. | 18 | |
| truncate_utf8 |
drupal/ |
Truncates a UTF-8-encoded string safely to a number of characters. | 18 | |
| entity_invoke_bundle_hook |
drupal/ |
Notifies modules about an operation that was performed on a entity bundle. | 18 | |
| entity_get_display |
drupal/ |
Returns the entity_display object associated to a bundle and view mode. | 18 | |
| drupal_write_record |
drupal/ |
Saves (inserts or updates) a record to the database based upon the schema. | 18 | |
| drupal_clean_css_identifier |
drupal/ |
Prepares a string for use as a CSS identifier (element, class, or ID name). | 18 | 1 |
| field_cache_clear |
drupal/ |
Clears the field info and field data caches. | 18 | |
| taxonomy_vocabulary_load |
drupal/ |
Return the taxonomy vocabulary entity matching a vocabulary ID. | 18 | 1 |
| check_markup |
drupal/ |
Runs all the enabled filters on a piece of text. | 18 | |
| file_default_scheme |
drupal/ |
Gets the default file stream implementation. | 17 | 2 |
| format_size |
drupal/ |
Generates a string representation for the given byte count. | 17 | |
| _form_set_attributes |
drupal/ |
Sets a form element's class attribute. | 17 | |
| variable_del |
drupal/ |
Unsets a persistent variable. | 17 | |
| user_load_by_name |
drupal/ |
Fetches a user object by account name. | 17 | |
| user_role_names |
drupal/ |
Retrieve an array of roles matching specified conditions. | 17 | |
| filter_fallback_format |
drupal/ |
Returns the ID of the fallback text format that all users have access to. | 17 | |
| drupal_save_session |
drupal/ |
Determines whether to save session data of the current request. | 17 | |
| field_update_instance Deprecated |
drupal/ |
Updates an instance of a field. | 17 | |
| db_like |
drupal/ |
Escapes characters that work as wildcard characters in a LIKE pattern. | 16 | |
| drupal_get_css |
drupal/ |
Returns a themed representation of all stylesheets to attach to the page. | 16 | |
| form_get_errors |
drupal/ |
Returns an associative array of all errors. | 16 | |
| drupal_valid_test_ua |
drupal/ |
Returns the test prefix if this is an internal request from SimpleTest. | 16 | |
| language_multilingual |
drupal/ |
Returns TRUE if there is more than one language enabled. | 16 | |
| language_default |
drupal/ |
Returns the default language used on the site. | 16 | 8 |
| node_view |
drupal/ |
Generates an array for rendering the given node. | 16 | |
| node_access_rebuild |
drupal/ |
Rebuilds the node access database. | 16 | |
| entity_test_entity_types |
drupal/ |
Returns a list of test entity types. | 16 |