Documentation & API reference
Functions
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| Name | Location | Description | Direct uses |
Strings |
|---|---|---|---|---|
| drupal_pre_render_links |
drupal/ |
Pre-render callback: Collects child links into a single array. | 3 | |
| menu_set_active_trail |
drupal/ |
Sets the active trail (path to the menu tree root) of the current page. | 1 | 3 |
| user_mail |
drupal/ |
Implements hook_mail(). | 3 | |
| _filter_autop |
drupal/ |
Converts line breaks into <p> and <br> in an intelligent fashion. | 1 | 3 |
| language_configuration_element_submit |
drupal/ |
Submit handler for the forms that have a language_configuration element. | 3 | |
| views_ui_pre_render_flatten_data |
drupal/ |
Flattens the structure of an element containing the #flatten property. | 3 | |
| menu_login_callback |
drupal/ |
Menu callback to be used as a login path. | 3 | |
| ajax_forms_test_lazy_load_form |
drupal/ |
Form builder: Builds a form that triggers a simple AJAX callback. | 3 | |
| _batch_test_callback_1 |
drupal/ |
Performs a simple batch operation. | 3 | |
| ajax_process_form |
drupal/ |
Form element processing handler for the #ajax form property. | 2 | |
| _unicode_caseflip |
drupal/ |
Helper function for case conversion of Latin-1. Used for flipping U+C0-U+DE to U+E0-U+FD and back. | 2 | |
| language_from_selected |
drupal/ |
Identifies language from configuration. | 2 | |
| db_query_range |
drupal/ |
Executes a query against the active database, restricted to a range. | 7 | 2 |
| drupal_sort_css_js |
drupal/ |
Sorts CSS and JavaScript resources. | 2 | |
| _drupal_build_css_path |
drupal/ |
Prefixes all paths within a CSS file for drupal_build_css_cache(). | 2 | 2 |
| drupal_delete_file_if_stale |
drupal/ |
Deletes files modified more than a set time ago. | 2 | |
| drupal_html_id |
drupal/ |
Prepares a string for use as a valid HTML ID and guarantees uniqueness. | 17 | 2 |
| drupal_add_library |
drupal/ |
Adds multiple JavaScript or CSS files at the same time. | 35 | 2 |
| render |
drupal/ |
Renders an element. | 25 | 2 |
| element_sort_by_title |
drupal/ |
Sorts a structured array by '#title' property. | 2 | |
| image_rotate |
drupal/ |
Rotates an image by the given number of degrees. | 2 | 2 |
| image_desaturate |
drupal/ |
Converts an image to grayscale. | 2 | 2 |
| form_process_select |
drupal/ |
Processes a select list form element. | 2 | |
| form_validate_number |
drupal/ |
Form element validation handler for #type 'number'. | 2 | |
| template_preprocess |
drupal/ |
Adds a default set of helper variables for variable processors and templates. | 1 | 2 |
| drupal_alter |
drupal/ |
Passes alterable variables to specific hook_TYPE_alter() implementations. | 93 | 2 |
| forum_form_submit |
drupal/ |
Form submission handler for forum_form_forum() and forum_form_container(). | 2 | |
| forum_form_container |
drupal/ |
Form constructor for adding and editing forum containers. | 2 | |
| forum_form |
drupal/ |
Implements hook_form(). | 2 | |
| openid_login_form |
drupal/ |
Form constructor for the OpenID login form. | 2 | |
| views_get_view |
drupal/ |
Loads a view from configuration. | 163 | 2 |
| views_form_views_form |
drupal/ |
Callback for the main step of a Views form. Invoked by views_form(). | 2 | |
| image_gd_check_settings |
drupal/ |
Verifies GD2 settings (that the right version is actually installed). | 3 | 2 |
| system_check_directory |
drupal/ |
Checks the existence of the directory specified in $form_element. | 2 | |
| system_rebuild_module_data |
drupal/ |
Rebuild, save, and return data about all currently available modules. | 19 | 2 |
| system_date_time_lookup |
drupal/ |
Ajax callback; Returns the date for a given format string. | 2 | |
| aggregator_refresh |
drupal/ |
Checks a news feed for new items. | 5 | 2 |
| aggregator_form_feed |
drupal/ |
Form constructor for adding and editing feed sources. | 2 | |
| field_available_languages |
drupal/ |
Collects the available language codes for the given entity type and field. | 14 | 2 |
| _field_sort_items_value_helper |
drupal/ |
Callback for usort() within theme_field_multiple_value_form(). | 2 | |
| _field_extra_fields_pre_render |
drupal/ |
Pre-render callback: Adjusts weights and visibility of non-field elements. | 2 | |
| field_attach_delete_revision |
drupal/ |
Delete field data for a single revision of an existing entity. The passed entity must have a revision ID attribute. | 1 | 2 |
| book_get_books |
drupal/ |
Returns an array of all books. | 4 | 2 |
| node_mass_update |
drupal/ |
Updates all nodes in the passed-in array with the passed-in field values. | 2 | 2 |
| path_form_element_validate |
drupal/ |
Form element validation handler for URL alias form element. | 2 | |
| user_validate_current_pass |
drupal/ |
Form validation handler for the current password on the user account form. | 2 | |
| user_is_anonymous |
drupal/ |
7 | 2 | |
| user_is_logged_in |
drupal/ |
2 | 2 | |
| user_edit_access |
drupal/ |
Access callback for user account editing. | 1 | 2 |
| user_login_form |
drupal/ |
Form builder; the main user login form. | 2 |