Documentation & API reference
Functions
Primary tabs
| Name | Location | Description | Direct uses |
Strings |
|---|---|---|---|---|
| element_sort |
drupal/ |
Function used by uasort to sort structured arrays by weight. | 4 | |
| debug |
drupal/ |
Outputs debug information. | 1 | 4 |
| ip_address |
drupal/ |
Returns the IP address of the client machine. | 20 | 4 |
| system_sort_modules_by_info_name |
drupal/ |
Array sorting callback; sorts modules or themes by their name. | 4 | |
| system_get_date_formats |
drupal/ |
Gets the list of defined date formats and attributes. | 6 | 4 |
| taxonomy_autocomplete |
drupal/ |
Page callback: Outputs JSON for taxonomy autocomplete suggestions. | 4 | |
| trigger_get_assigned_actions |
drupal/ |
Gets the action IDs of actions to be executed for a hook. | 9 | 4 |
| user_delete |
drupal/ |
Delete a user. | 5 | 4 |
| user_logout |
drupal/ |
Menu callback; logs the current user out, and redirects to the home page. | 1 | 4 |
| poll_vote |
drupal/ |
Submit handler for processing a vote. | 4 | |
| image_effects |
drupal/ |
Loads all image effects from the database. | 1 | 4 |
| field_test_entity_form |
drupal/ |
Test_entity form. | 4 | |
| date_iso8601 |
drupal/ |
Returns an ISO8601 formatted date based on the given date. | 5 | |
| user_role_permissions |
drupal/ |
Determine the permissions for one or more roles. | 2 | 5 |
| user_login |
drupal/ |
Form builder; the main user login form. | 5 | |
| user_register_form |
drupal/ |
Form builder; the user registration form. | 5 | |
| filter_formats |
drupal/ |
Retrieves a list of text formats, ordered by weight. | 14 | 5 |
| language_types |
drupal/ |
Returns an array of the available language types. | 5 | 6 |
| filter_default_format |
drupal/ |
Returns the ID of the default text format for a particular user. | 5 | 6 |
| search_index |
drupal/ |
Update the full-text search index for a particular item. | 3 | 7 |
| format_interval |
drupal/ |
Formats a time interval with the requested granularity. | 30 | 8 |
| drupal_add_js |
drupal/ |
Adds a JavaScript file, setting, or inline code to the page. | 51 | 8 |
| drupal_sort_weight |
drupal/ |
Sorts a structured array by the 'weight' element. | 8 | |
| user_admin_role |
drupal/ |
Form to configure a single role. | 8 | |
| image_styles |
drupal/ |
Gets an array of all styles and their settings. | 6 | 8 |
| element_validate_integer_positive |
drupal/ |
Form element validation handler for integer elements that must be positive. | 1 | 9 |
| watchdog |
drupal/ |
Logs a system message. | 124 | 9 |
| language_default |
drupal/ |
Returns the default language, as an object, or one of its properties. | 26 | 9 |
| check_plain |
drupal/ |
Encodes special characters in a plain-text string for display as HTML. | 188 | 10 |
| user_access |
drupal/ |
Determine whether the user has a given privilege. | 154 | 13 |
| url |
drupal/ |
Generates an internal or external URL. | 303 | 14 |
| language_list |
drupal/ |
Returns a list of installed languages, indexed by the specified key. | 47 | 14 |
| file_default_scheme |
drupal/ |
Gets the default file stream implementation. | 20 | 15 |
| node_access |
drupal/ |
Determines whether the current user may perform the operation on the node. | 20 | 26 |
| t |
drupal/ |
Translates a string to the current language or to a given language. | 1,903 | 28 |
| drupal_get_form |
drupal/ |
Returns a renderable form array for a given form ID. | 49 | 32 |
| theme |
drupal/ |
Generates themed output. | 218 | 38 |
| locale |
drupal/ |
Provides interface translation services. | 1 | 65 |