Documentation & API reference
Functions
Primary tabs
| Name | Location | Description | Direct uses |
Strings |
|---|---|---|---|---|
| drupal_validate_utf8 |
drupal/ |
Checks whether a string is valid UTF-8. | ||
| request_uri |
drupal/ |
Returns the equivalent of Apache's $_SERVER['REQUEST_URI'] variable. | 8 | |
| watchdog_exception |
drupal/ |
Logs an exception. | 12 | |
| drupal_set_message |
drupal/ |
Sets a message to display to the user. | 270 | |
| drupal_get_messages |
drupal/ |
Returns all messages that have been set with drupal_set_message(). | 5 | |
| drupal_get_title |
drupal/ |
Gets the title of the current page. | 9 | |
| drupal_set_title |
drupal/ |
Sets the title of the current page. | 76 | |
| drupal_anonymous_user |
drupal/ |
Generates a default anonymous $user object. | 10 | |
| drupal_bootstrap |
drupal/ |
Ensures Drupal is bootstrapped to the specified phase. | 11 | |
| drupal_handle_request |
drupal/ |
Handles an entire PHP request. | 3 | |
| drupal_get_user_timezone |
drupal/ |
Returns the time zone of the current user. | 15 | |
| drupal_get_hash_salt |
drupal/ |
Gets a salt useful for hardening against SQL injection. | 9 | |
| _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_get_bootstrap_phase |
drupal/ |
Returns the current bootstrap phase for this Drupal process. | 3 | |
| drupal_container Deprecated |
drupal/ |
Retrieves the Drupal Container to standardize object construction. | 12 | |
| module_list Deprecated |
drupal/ |
Returns the list of enabled modules. | ||
| module_invoke Deprecated |
drupal/ |
Invokes a hook in a particular module. | 46 | |
| module_invoke_all Deprecated |
drupal/ |
Invokes a hook in all enabled modules that implement it. | 86 | |
| module_exists Deprecated |
drupal/ |
Determines whether a given module exists. | 92 | |
| module_hook Deprecated |
drupal/ |
Determines whether a module implements a hook. | 7 | |
| drupal_valid_test_ua |
drupal/ |
Returns the test prefix if this is an internal request from SimpleTest. | 16 | |
| _drupal_load_test_overrides |
drupal/ |
Overrides low-level and environment-specific configuration. | 1 | |
| drupal_generate_test_ua |
drupal/ |
Generates a user agent string with a HMAC and timestamp for simpletest. | 3 | |
| 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. | 6 | |
| get_t |
drupal/ |
Returns the name of the proper localization function. | 28 | |
| drupal_language_initialize |
drupal/ |
Initializes all the defined language types and sets the default langcode. | 8 | |
| language_types_get_all |
drupal/ |
Returns an array of the available language types. | 5 | |
| language_types_get_default |
drupal/ |
Returns a list of the built-in language types. | 6 | |
| 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. | 5 | |
| language_load |
drupal/ |
Loads a language object from the database. | 41 | |
| language_name |
drupal/ |
Produced the printed name for a language for display. | 4 | |
| language_is_locked |
drupal/ |
Checks if a language is locked. | 4 | |
| _language_resolved_path |
drupal/ |
Stores or retrieves the path derived during language negotiation. | ||
| 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. | 12 | |
| drupal_classloader |
drupal/ |
Initializes and returns the class loader. | 12 | |
| drupal_classloader_register |
drupal/ |
Registers an additional namespace. | 3 | |
| drupal_static |
drupal/ |
Provides central static variable storage. | 159 | |
| drupal_static_reset |
drupal/ |
Resets one or all centrally stored static variable(s). | 106 | |
| drupal_is_cli |
drupal/ |
Detects whether the current script is running in a command-line environment. | 3 | |
| drupal_placeholder |
drupal/ |
Formats text for emphasized display in a placeholder inside a sentence. | 5 | |
| drupal_register_shutdown_function |
drupal/ |
Registers a function for execution on shutdown. | 10 | |
| drupal_check_memory_limit |
drupal/ |
Compares the memory required for an operation to the available memory. | 4 |