Documentation & API reference
Functions
Primary tabs
| Name | Location | Description | Direct uses |
Strings |
|---|---|---|---|---|
| _menu_clear_page_cache |
drupal/ |
Clears the page and block caches at most twice per page load. | 3 | |
| _menu_find_router_path |
drupal/ |
Finds the router path which will serve this path. | 2 | |
| _menu_router_build |
drupal/ |
Builds the router table based on the data from hook_menu(). | 1 | |
| _menu_router_save |
drupal/ |
Saves data from menu_router_build() to the router table. | 1 | |
| _menu_site_is_offline |
drupal/ |
Checks whether the site is in maintenance mode. | 2 | |
| theme_task_list |
drupal/ |
Returns HTML for a list of maintenance tasks to perform. | ||
| theme_install_page |
drupal/ |
Returns HTML for the installation page. | ||
| theme_authorize_report |
drupal/ |
Returns HTML for a results report of an operation run by authorize.php. | ||
| theme_authorize_message |
drupal/ |
Returns HTML for a single log message from the authorize.php batch operation. | ||
| drupal_var_export |
drupal/ |
Drupal-friendly var_export(). | ||
| drupal_error_levels |
drupal/ |
Maps PHP error constants to watchdog severity levels. | 1 | |
| _drupal_error_handler_real |
drupal/ |
Provides custom PHP error handling. | 1 | |
| _drupal_decode_exception |
drupal/ |
Decodes an exception and retrieves the correct caller. | 5 | |
| _drupal_render_exception_safe |
drupal/ |
Renders an exception error message without further exceptions. | 3 | |
| error_displayable |
drupal/ |
Determines whether an error should be displayed. | 5 | |
| _drupal_log_error |
drupal/ |
Logs a PHP error or exception and displays an error page in fatal cases. | 2 | |
| _drupal_get_error_level |
drupal/ |
Returns the current error level. | 2 | |
| _drupal_get_last_caller |
drupal/ |
Gets the last caller from a backtrace. | 5 | |
| format_backtrace |
drupal/ |
Formats a backtrace into a plain-text string. | 3 | |
| _drupal_form_id |
drupal/ |
Determines the form ID. | 3 | |
| drupal_build_form |
drupal/ |
Builds and processes a form for a given form ID. | 8 | |
| form_state_defaults |
drupal/ |
Retrieves default values for the $form_state array. | 11 | |
| drupal_rebuild_form |
drupal/ |
Constructs a new $form from the information in $form_state. | 2 | |
| form_get_cache |
drupal/ |
Fetches a form from the cache. | 4 | |
| form_set_cache |
drupal/ |
Stores a form in the cache. | 4 | |
| form_state_keys_no_cache |
drupal/ |
Returns an array of $form_state keys that shouldn't be cached. | 2 | |
| form_load_include |
drupal/ |
Ensures an include file is loaded whenever the form is processed. | 10 | |
| drupal_form_submit |
drupal/ |
Retrieves, populates, and processes a form. | 6 | |
| drupal_retrieve_form |
drupal/ |
Retrieves the structured array that defines a given form. | 3 | |
| drupal_process_form |
drupal/ |
Processes a form submission. | 7 | |
| drupal_prepare_form |
drupal/ |
Prepares a structured form array. | 6 | |
| drupal_validate_form |
drupal/ |
Validates user-submitted form data in the $form_state array. | 1 | |
| drupal_redirect_form |
drupal/ |
Redirects the user to a URL after a form has been processed. | 2 | |
| _form_validate |
drupal/ |
Performs validation on form elements. | 1 | |
| form_execute_handlers |
drupal/ |
Executes custom validation and submission handlers for a given form. | 4 | |
| form_clear_error |
drupal/ |
Clears all errors against all form elements made by form_set_error(). | 3 | |
| form_get_errors |
drupal/ |
Returns an associative array of all errors. | 16 | |
| form_get_error |
drupal/ |
Returns the error message filed against the given form element. | 1 | |
| form_error |
drupal/ |
Flags an element as having an error. | 47 | |
| form_builder |
drupal/ |
Builds and processes all elements in the structured form array. | 2 | |
| _form_builder_handle_input_element |
drupal/ |
Adds the #name and #value properties of an input element before rendering. | 1 | |
| _form_element_triggered_scripted_submission |
drupal/ |
Detects if an element triggered the form submission via Ajax. | 1 | |
| _form_button_was_clicked |
drupal/ |
Determines if a given button triggered the form submission. | 1 | |
| form_state_values_clean |
drupal/ |
Removes internal Form API elements and buttons from submitted form values. | 10 | |
| form_type_image_button_value |
drupal/ |
Determines the value for an image button form element. | ||
| form_type_checkbox_value |
drupal/ |
Determines the value for a checkbox form element. | ||
| form_type_checkboxes_value |
drupal/ |
Determines the value for a checkboxes form element. | ||
| form_type_radios_value |
drupal/ |
Form value callback: Determines the value for a #type radios form element. | ||
| form_type_tableselect_value |
drupal/ |
Determines the value for a tableselect form element. | ||
| form_type_password_confirm_value |
drupal/ |
Determines the value for a password_confirm form element. |