Documentation & API reference
Functions
Primary tabs
| Name | Location | Description | Direct uses |
Strings |
|---|---|---|---|---|
| update_variable_get |
drupal/ |
Gets the value of a variable from the database during 7.x-8.x upgrades. | 13 | |
| update_variable_set |
drupal/ |
Sets a persistent variable during the 7.x-8.x upgrade path. | 10 | |
| update_variable_del |
drupal/ |
Delete a variable from the database during the 7.x-8.x upgrade path. | 7 | |
| update_variables_to_config |
drupal/ |
Updates config with values set on Drupal 7.x | 25 | |
| update_variables_to_state |
drupal/ |
Updates 7.x variables to state records. | 5 | |
| update_add_uuids |
drupal/ |
Helper function to update entities with uuid. | 4 | |
| 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_last_caller |
drupal/ |
Gets the last caller from a backtrace. | 5 | |
| format_backtrace |
drupal/ |
Formats a backtrace into a plain-text string. | 3 | |
| pager_find_page |
drupal/ |
Returns the current page being requested for display within a pager. | 2 | |
| pager_default_initialize |
drupal/ |
Initializes a pager for theme('pager'). | 2 | |
| pager_get_query_parameters |
drupal/ |
Compose a URL query parameter array for pager links. | 1 | |
| theme_pager |
drupal/ |
Returns HTML for a query pager. | ||
| theme_pager_link |
drupal/ |
Returns HTML for a link to a specific query result page. | ||
| pager_load_array |
drupal/ |
Helper function | 2 | |
| standard_country_list |
drupal/ |
Get an array of all country code => country name pairs. | 1 | |
| standard_language_list |
drupal/ |
Some common languages with their English and native names. | 4 | |
| drupal_load_updates |
drupal/ |
Loads .install files for installed modules to initialize the update system. | 2 | |
| drupal_install_profile_distribution_name |
drupal/ |
Loads the installation profile, extracting its defined distribution name. | 8 | |
| drupal_detect_baseurl |
drupal/ |
Detects the base URL using the PHP $_SERVER variables. | ||
| drupal_detect_database_types |
drupal/ |
Detects all supported databases that are compiled into PHP. | ||
| drupal_get_database_types |
drupal/ |
Returns all supported database installer objects that are compiled into PHP. | 3 | |
| drupal_rewrite_settings |
drupal/ |
Replaces values in settings.php with values in the submitted array. | 2 | |
| drupal_install_config_directories |
drupal/ |
Creates the config directory and ensures it is operational. | 2 | |
| install_verify_config_directory |
drupal/ |
Checks whether a config directory exists and is writable. | 1 | |
| install_ensure_config_directory |
drupal/ |
Ensures that the config directory exists and is writable, or can be made so. | 2 | |
| drupal_verify_profile |
drupal/ |
Verifies that all dependencies are met for a given installation profile. | 1 | |
| drupal_install_system |
drupal/ |
Installs the system module. | 1 | |
| drupal_verify_install_file |
drupal/ |
Verifies the state of the specified file. | 3 | |
| drupal_install_mkdir |
drupal/ |
Creates a directory with the specified permissions. | 1 | |
| drupal_install_fix_file |
drupal/ |
Attempts to fix file permissions. | 1 | |
| drupal_current_script_url |
drupal/ |
Returns the URL of the current script, with modified query parameters. | 4 | |
| drupal_requirements_url |
drupal/ |
Returns a URL for proceeding to the next page after a requirements problem. | 2 | |
| drupal_check_profile |
drupal/ |
Checks an installation profile's requirements. | 1 | |
| drupal_requirements_severity |
drupal/ |
Extracts the highest severity from the requirements array. | 4 | |
| drupal_check_module |
drupal/ |
Checks a module's requirements. | 1 | |
| install_profile_info |
drupal/ |
Retrieves information about an installation profile from its .info file. | 6 | |
| db_run_tasks |
drupal/ |
Ensures the environment for a Drupal database on a predefined connection. | 1 | |
| db_installer_object |
drupal/ |
Returns a database installer object. | 1 | |
| unicode_requirements |
drupal/ |
Return Unicode library status and errors. | ||
| drupal_xml_parser_create |
drupal/ |
Prepare a new XML parser. | 2 | |
| drupal_convert_to_utf8 |
drupal/ |
Convert data to UTF-8 | 2 | |
| drupal_truncate_bytes |
drupal/ |
Truncate a UTF-8-encoded string safely to a number of bytes. | 1 | |
| truncate_utf8 |
drupal/ |
Truncates a UTF-8-encoded string safely to a number of characters. | 21 | |
| mime_header_encode |
drupal/ |
Encodes MIME/HTTP header values that contain non-ASCII, UTF-8 encoded characters. | 2 |