Documentation & API reference
Functions
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Name |
Location | Description | Direct uses | Strings |
|---|---|---|---|---|
| _field_filter_xss_display_allowed_tags |
drupal/ |
Returns a human-readable list of allowed tags for display in help texts. | 2 | |
| _field_filter_xss_allowed_tags |
drupal/ |
Returns a list of tags allowed by field_filter_xss(). | 2 | |
| _field_filter_items |
drupal/ |
Filters out empty field values. | 3 | |
| _field_extra_fields_pre_render |
drupal/ |
Pre-render callback: Adjusts weights and visibility of non-field elements. | 2 | |
| _field_create_entity_from_ids |
drupal/ |
Assembles a partial entity structure with initial IDs. | 5 | |
| _external_url_is_local |
drupal/ |
Determines if an external URL points to this Drupal installation. | 1 | |
| _drupal_wrap_mail_line |
drupal/ |
Wraps words on a single line. | 1 | 1 |
| _drupal_theme_initialize |
drupal/ |
Initialize the theme system given already loaded information. This function is useful to initialize a theme when no database is present. | 2 | |
| _drupal_shutdown_function |
drupal/ |
Executes registered shutdown functions. | 1 | |
| _drupal_set_preferred_header_name |
drupal/ |
Sets the preferred name for the HTTP header. | 3 | |
| _drupal_session_write |
drupal/ |
Writes an entire session to the database (internal use only). | 1 | 1 |
| _drupal_session_read |
drupal/ |
Reads an entire session from the database (internal use only). | 1 | |
| _drupal_session_open |
drupal/ |
Session handler assigned by session_set_save_handler(). | 1 | |
| _drupal_session_garbage_collection |
drupal/ |
Session handler assigned by session_set_save_handler(). | 1 | |
| _drupal_session_destroy |
drupal/ |
Session handler assigned by session_set_save_handler(). | 1 | |
| _drupal_session_delete_cookie |
drupal/ |
Deletes the session cookie. | 1 | |
| _drupal_session_close |
drupal/ |
Session handler assigned by session_set_save_handler(). | 1 | |
| _drupal_schema_initialize |
drupal/ |
Fills in required default values for table definitions from hook_schema(). | 3 | |
| _drupal_render_exception_safe |
drupal/ |
Renders an exception error message without further exceptions. | 3 | |
| _drupal_maintenance_theme |
drupal/ |
Sets up the theming system for maintenance page. | 1 | 1 |
| _drupal_log_error |
drupal/ |
Logs a PHP error or exception and displays an error page in fatal cases. | 2 | |
| _drupal_load_stylesheet |
drupal/ |
Loads stylesheets recursively and returns contents with corrected paths. | 1 | |
| _drupal_initialize_db_test_prefix |
drupal/ |
In a test environment, get the test db prefix and set it in $databases. | 1 | |
| _drupal_http_use_proxy |
drupal/ |
Helper function for determining hosts excluded from needing a proxy. | 1 | |
| _drupal_html_to_text_pad |
drupal/ |
Pads the last line with the given character. | 1 | |
| _drupal_html_to_text_clean |
drupal/ |
Replaces non-quotation markers from a given piece of indentation with spaces. | 1 | 1 |
| _drupal_html_to_mail_urls |
drupal/ |
Keeps track of URLs and replaces them with placeholder tokens. | 1 | 1 |
| _drupal_get_last_caller |
drupal/ |
Gets the last caller from a backtrace. | 5 | |
| _drupal_flush_css_js |
drupal/ |
Changes the dummy query string added to all CSS and JavaScript files. | 2 | |
| _drupal_exception_handler |
drupal/ |
Provides custom PHP exception handling. | 3 | |
| _drupal_error_handler_real |
drupal/ |
Provides custom PHP error handling. | 1 | |
| _drupal_error_handler |
drupal/ |
Provides custom PHP error handling. | 3 | |
| _drupal_default_html_head |
drupal/ |
Returns elements that are always displayed in the HEAD tag of the HTML page. | 1 | |
| _drupal_decode_exception |
drupal/ |
Decodes an exception and retrieves the correct caller. | 5 | |
| _drupal_build_css_path |
drupal/ |
Prefixes all paths within a CSS file for drupal_build_css_cache(). | 2 | 2 |
| _drupal_bootstrap_variables |
drupal/ |
Loads system variables and all enabled bootstrap modules. | 1 | |
| _drupal_bootstrap_page_header |
drupal/ |
Invokes hook_boot(), initializes locking system, and sends HTTP headers. | 1 | |
| _drupal_bootstrap_page_cache |
drupal/ |
Attempts to serve a page from the cache. | 1 | |
| _drupal_bootstrap_kernel |
drupal/ |
Initialize the kernel / service container. | 1 | |
| _drupal_bootstrap_full |
drupal/ |
Temporary BC function for scripts not using DrupalKernel. | 2 | |
| _drupal_bootstrap_database |
drupal/ |
Initializes the database system by loading database.inc. | 1 | |
| _drupal_bootstrap_configuration |
drupal/ |
Sets up the script environment and loads settings.php. | 1 | |
| _drupal_bootstrap_code |
drupal/ |
Loads code for subsystems and modules, and registers stream wrappers. | 1 | |
| _db_create_keys_sql |
drupal/ |
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| _dblog_get_message_types |
drupal/ |
Gathers a list of uniquely defined database log message types. | 1 | |
| _current_path |
drupal/ |
@todo This is a temporary function pending refactoring Drupal to use Symfony's Request object exclusively. | 10 | |
| _contact_personal_tab_access |
drupal/ |
Access callback: Checks access for a user's personal contact form. | 1 | |
| _comment_per_page |
drupal/ |
Returns an array of "comments per page" values that users can select from. | 1 | |
| _comment_get_modes |
drupal/ |
Returns an array of viewing modes for comment listings. | ||
| _comment_body_field_create |
drupal/ |
Creates a comment_body field instance for a given node type. | 2 |