Documentation & API reference
Functions
Primary tabs
| Name | Location | Description | Direct uses |
Strings |
|---|---|---|---|---|
| t |
drupal/ |
Translates a string to the current language or to a given language. | 2,423 | 57 |
| language |
drupal/ |
Returns the language object for a given language type. | 57 | 51 |
| theme |
drupal/ |
Generates themed output. | 230 | 46 |
| drupal_get_form |
drupal/ |
Returns a renderable form array for a given form ID. | 35 | 42 |
| cache |
drupal/ |
Instantiates and statically caches the correct class for a cache bin. | 3 | 37 |
| locale |
drupal/ |
Provides interface translation services. | 2 | 36 |
| l |
drupal/ |
Formats an internal or external URL link as an HTML anchor tag. | 138 | 31 |
| node_access |
drupal/ |
Access callback: Checks a user's permission for performing a node operation. | 27 | 25 |
| html |
drupal/ |
25 | ||
| url |
drupal/ |
Generates an internal or external URL. | 302 | 23 |
| user_access |
drupal/ |
Determine whether the user has a given privilege. | 168 | 18 |
| language_list |
drupal/ |
Returns a list of languages set up on the site. | 72 | 17 |
| check_plain |
drupal/ |
Encodes special characters in a plain-text string for display as HTML. | 262 | 15 |
| file_default_scheme |
drupal/ |
Gets the default file stream implementation. | 16 | 14 |
| drupal_sort_weight |
drupal/ |
Sorts a structured array by the 'weight' element. | 13 | |
| debug |
drupal/ |
Outputs debug information. | 7 | 11 |
| _form_test_submit_values_json |
drupal/ |
Form submit handler to return form values as JSON. | 11 | |
| drupal_add_js |
drupal/ |
Adds a JavaScript file, setting, or inline code to the page. | 49 | 10 |
| format_interval |
drupal/ |
Formats a time interval with the requested granularity. | 36 | 9 |
| language_default |
drupal/ |
Returns the default language used on the site. | 16 | 7 |
| taxonomy_autocomplete |
drupal/ |
Page callback: Outputs JSON for taxonomy autocomplete suggestions. | 7 | |
| config |
drupal/ |
Retrieves a configuration object. | 137 | 6 |
| image_scale |
drupal/ |
Scales an image while maintaining aspect ratio. | 3 | 6 |
| search_index |
drupal/ |
Update the full-text search index for a particular item. | 4 | 6 |
| language_url_rewrite_url |
drupal/ |
Rewrite URLs for the URL language negotiation method. | 6 | |
| sc_configure |
drupal/ |
1 | 6 | |
| st |
drupal/ |
Translates a string when some systems are not available. | 39 | 5 |
| 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 |
| locale_translation_status |
drupal/ |
Page callback: Display the current translation status. | 5 | |
| ajax_base_page_theme |
drupal/ |
Theme callback: Returns the correct theme for an Ajax request. | 4 | |
| language_types_info |
drupal/ |
Returns information about all defined language types. | 7 | 4 |
| watchdog |
drupal/ |
Logs a system message. | 124 | 4 |
| drupal_goto |
drupal/ |
Sends the user to a different Drupal page. | 40 | 4 |
| drupal_add_css |
drupal/ |
Adds a cascading stylesheet to the stylesheet queue. | 35 | 4 |
| show |
drupal/ |
Shows a hidden element for later rendering. | 2 | 4 |
| module_implements |
drupal/ |
Determines which modules are implementing a hook. | 70 | 4 |
| views_form |
drupal/ |
This is the entry function. Just gets the form for the current step. The form is always assumed to be multistep, even if it has only one step (the default 'views_form_views_form' step). That way it is actually possible for modules to have a… | 4 | |
| system_admin_menu_block_page |
drupal/ |
Provide a single block from the administration menu as a page. | 4 | |
| system_sort_modules_by_info_name |
drupal/ |
Array sorting callback; sorts modules or themes by their name. | 4 | |
| field_language |
drupal/ |
Returns the display language code for the fields attached to the given entity. | 10 | 4 |
| field_language_fallback |
drupal/ |
Applies language fallback rules to the fields attached to the given entity. | 3 | 4 |
| language_url_outbound_alter |
drupal/ |
Implements hook_url_outbound_alter(). | 4 | |
| language_negotiation_info |
drupal/ |
Returns all defined language negotiation methods. | 5 | 3 |
| conf_path |
drupal/ |
Returns the appropriate configuration directory. | 38 | 3 |
| _drupal_error_handler |
drupal/ |
Provides custom PHP error handling. | 3 | |
| _drupal_exception_handler |
drupal/ |
Provides custom PHP exception handling. | 3 | |
| ip_address |
drupal/ |
Returns the IP address of the client machine. | 20 | 3 |
| db_query |
drupal/ |
Executes an arbitrary query string against the active database. | 93 | 3 |
| entity_get_form |
drupal/ |
Returns the built and processed entity form for the given entity. | 25 | 3 |