Documentation & API reference
Functions
Primary tabs
| Name | Location | Description | Direct uses |
Strings |
|---|---|---|---|---|
| _drupal_load_stylesheet |
drupal/ |
Loads stylesheets recursively and returns contents with corrected paths. | 1 | |
| drupal_clear_css_cache |
drupal/ |
Deletes old cached CSS files. | 3 | 1 |
| drupal_clean_css_identifier |
drupal/ |
Prepares a string for use as a CSS identifier (element, class, or ID name). | 15 | 1 |
| drupal_pre_render_scripts |
drupal/ |
#pre_render callback to add the elements needed for JavaScript tags to be rendered. | 1 | |
| drupal_group_js |
drupal/ |
Default callback to group JavaScript items. | 1 | |
| drupal_aggregate_js |
drupal/ |
Default callback to aggregate JavaScript files. | 1 | |
| drupal_get_library |
drupal/ |
Retrieves information for a JavaScript/CSS library. | 5 | 1 |
| drupal_clear_js_cache |
drupal/ |
Deletes old cached JavaScript files and variables. | 1 | 1 |
| drupal_cron_cleanup |
drupal/ |
Shutdown function: Performs cron cleanup. | 1 | |
| drupal_system_listing |
drupal/ |
This function is kept only for backward compatibility. | 10 | 1 |
| drupal_pre_render_conditional_comments |
drupal/ |
Pre-render callback: Renders #browsers into #prefix and #suffix. | 1 | |
| drupal_pre_render_link |
drupal/ |
Pre-render callback: Renders a link into #markup. | 1 | |
| drupal_pre_render_dropbutton |
drupal/ |
Pre-render callback: Attaches the dropbutton library and required markup. | 1 | |
| drupal_render |
drupal/ |
Renders HTML given a structured array tree. | 123 | 1 |
| hide |
drupal/ |
Hides an element from later rendering. | 9 | 1 |
| element_sort |
drupal/ |
Sorts a structured array by '#weight' property. | 1 | |
| drupal_sort_title |
drupal/ |
Sorts a structured array by 'title' key (no # prefix). | 1 | |
| element_property |
drupal/ |
Checks if the key is a property. | 1 | |
| image_scale_and_crop |
drupal/ |
Scales an image to the exact width and height given. | 2 | 1 |
| image_crop |
drupal/ |
Crops an image to a rectangle specified by the given dimensions. | 3 | 1 |
| authorize_filetransfer_form |
drupal/ |
Form constructor for the file transfer authorization form. | 1 | |
| form_set_error |
drupal/ |
Files an error against a form element. | 88 | 1 |
| _form_options_flatten |
drupal/ |
Iterates over an array and returns a flat array with duplicate keys removed. | 1 | 1 |
| form_process_password_confirm |
drupal/ |
Expand a password_confirm field into two text boxes. | 1 | |
| password_confirm_validate |
drupal/ |
Validates a password_confirm element. | 1 | |
| form_process_date |
drupal/ |
Expands a date element into year, month, and day select elements. | 1 | |
| date_validate |
drupal/ |
Validates the date type to prevent invalid dates (e.g., February 30, 2006). | 1 | |
| map_month |
drupal/ |
Renders a month name for display. | 1 | |
| form_process_radios |
drupal/ |
Expands a radios element into individual radio elements. | 1 | 1 |
| form_pre_render_conditional_form_element |
drupal/ |
Adds form element theming to an element if its title or description is set. | 1 | |
| form_process_button |
drupal/ |
Processes a form button element. | 1 | |
| form_process_checkbox |
drupal/ |
Sets the #checked property of a checkbox element. | 1 | |
| form_process_checkboxes |
drupal/ |
Processes a checkboxes form element. | 1 | 1 |
| form_process_actions |
drupal/ |
Processes a form actions container element. | 1 | |
| form_process_pattern |
drupal/ |
#process callback for #pattern form element property. | 1 | |
| form_validate_pattern |
drupal/ |
#element_validate callback for #pattern form element property. | 1 | |
| form_process_container |
drupal/ |
Processes a container element. | 1 | |
| form_process_tableselect |
drupal/ |
Creates checkbox or radio elements to populate a tableselect table. | 1 | |
| form_process_machine_name |
drupal/ |
Processes a machine-readable name form element. | 1 | |
| form_validate_machine_name |
drupal/ |
Form element validation handler for machine_name elements. | 1 | |
| form_process_details |
drupal/ |
Arranges details into groups. | 1 | |
| form_pre_render_details |
drupal/ |
Adds members of this group as actual elements for rendering. | 1 | |
| form_process_vertical_tabs |
drupal/ |
Creates a group formatted as vertical tabs. | 1 | |
| form_process_autocomplete |
drupal/ |
Adds autocomplete functionality to elements with a valid #autocomplete_path. | 1 | |
| form_validate_email |
drupal/ |
Form element validation handler for #type 'email'. | 1 | |
| form_validate_url |
drupal/ |
Form element validation handler for #type 'url'. | 1 | |
| form_validate_color |
drupal/ |
Form element validation handler for #type 'color'. | 1 | |
| form_process_weight |
drupal/ |
Expands a weight element into a select element. | 1 | |
| _drupal_wrap_mail_line |
drupal/ |
Wraps words on a single line. | 1 | 1 |
| _drupal_html_to_mail_urls |
drupal/ |
Keeps track of URLs and replaces them with placeholder tokens. | 1 | 1 |