Documentation & API reference
Functions
Primary tabs
| Name | Location | Description | Direct uses |
Strings |
|---|---|---|---|---|
| drupal_send_headers |
drupal/ |
Sends the HTTP response headers that were previously set, adding defaults. | 3 | |
| drupal_page_header |
drupal/ |
Sets HTTP headers in preparation for a page response. | 1 | |
| drupal_serve_page_from_cache |
drupal/ |
Sets HTTP headers in preparation for a cached page response. | 3 | |
| bootstrap_hooks |
drupal/ |
Defines the critical hooks that force modules to always be loaded. | 1 | |
| drupal_validate_utf8 |
drupal/ |
Checks whether a string is valid UTF-8. | 1 | |
| request_uri |
drupal/ |
Returns the equivalent of Apache's $_SERVER['REQUEST_URI'] variable. | 11 | |
| watchdog_exception |
drupal/ |
Logs an exception. | 9 | |
| drupal_set_message |
drupal/ |
Sets a message to display to the user. | 264 | |
| drupal_get_messages |
drupal/ |
Returns all messages that have been set with drupal_set_message(). | 6 | |
| drupal_get_title |
drupal/ |
Gets the title of the current page. | 9 | |
| drupal_set_title |
drupal/ |
Sets the title of the current page. | 81 | |
| drupal_random_bytes |
drupal/ |
Returns a string of highly randomized bytes (over the full 8-bit range). | 8 | |
| drupal_hmac_base64 |
drupal/ |
Calculates a base-64 encoded, URL-safe sha-256 hmac. | 6 | |
| drupal_hash_base64 |
drupal/ |
Calculates a base-64 encoded, URL-safe sha-256 hash. | 20 | |
| drupal_get_hash_salt |
drupal/ |
Gets a salt useful for hardening against SQL injection. | 6 | |
| drupal_array_merge_deep |
drupal/ |
Merges multiple arrays, recursively, and returns the merged array. | 3 | |
| drupal_array_merge_deep_array |
drupal/ |
Merges multiple arrays, recursively, and returns the merged array. | 2 | |
| drupal_anonymous_user |
drupal/ |
Generates a default anonymous $user object. | 10 | |
| drupal_bootstrap |
drupal/ |
Ensures Drupal is bootstrapped to the specified phase. | 14 | |
| drupal_get_user_timezone |
drupal/ |
Returns the time zone of the current user. | 8 | |
| _drupal_bootstrap_configuration |
drupal/ |
Sets up the script environment and loads settings.php. | 1 | |
| _drupal_bootstrap_kernel |
drupal/ |
Initialize the kernel / service container. | 1 | |
| _drupal_bootstrap_page_cache |
drupal/ |
Attempts to serve a page from the cache. | 1 | |
| _drupal_initialize_db_test_prefix |
drupal/ |
In a test environment, get the test db prefix and set it in $databases. | 1 | |
| _drupal_bootstrap_database |
drupal/ |
Initializes the database system by loading database.inc. | 1 | |
| _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_get_bootstrap_phase |
drupal/ |
Returns the current bootstrap phase for this Drupal process. | 3 | |
| drupal_container |
drupal/ |
Retrieves the Drupal Container to standardize object construction. | 10 | |
| drupal_valid_test_ua |
drupal/ |
Returns the test prefix if this is an internal request from SimpleTest. | 14 | |
| drupal_generate_test_ua |
drupal/ |
Generates a user agent string with a HMAC and timestamp for simpletest. | 4 | |
| drupal_maintenance_theme |
drupal/ |
Enables use of the theme system without requiring database access. | 6 | |
| drupal_installation_attempted |
drupal/ |
Returns TRUE if a Drupal installation is currently being attempted. | 5 | |
| get_t |
drupal/ |
Returns the name of the proper localization function. | 22 | |
| drupal_language_initialize |
drupal/ |
Initializes all the defined language types. | 11 | |
| language_types_get_all |
drupal/ |
Returns an array of the available language types. | 6 | |
| language_types_get_default |
drupal/ |
Returns a list of the built-in language types. | 5 | |
| language_multilingual |
drupal/ |
Returns TRUE if there is more than one language enabled. | 16 | |
| language_default_locked_languages |
drupal/ |
Returns a list of the default locked languages. | 3 | |
| language_load |
drupal/ |
Loads a language object from the database. | 35 | |
| language_name |
drupal/ |
Produced the printed name for a language for display. | 5 | |
| language_is_locked |
drupal/ |
Checks if a language is locked. | 3 | |
| request_path |
drupal/ |
Returns the requested URL path of the page being viewed. | 2 | |
| _current_path |
drupal/ |
@todo This is a temporary function pending refactoring Drupal to use Symfony's Request object exclusively. | 10 | |
| arg |
drupal/ |
Returns a component of the current Drupal path. | 27 | |
| drupal_classloader |
drupal/ |
Initializes and returns the class loader. | 11 | |
| drupal_classloader_register |
drupal/ |
Registers an additional namespace. | 3 | |
| drupal_static |
drupal/ |
Provides central static variable storage. | 187 | |
| drupal_static_reset |
drupal/ |
Resets one or all centrally stored static variable(s). | 100 | |
| drupal_is_cli |
drupal/ |
Detects whether the current script is running in a command-line environment. | 4 |