Documentation & API reference
Functions
Primary tabs
| Name |
Location |
Description | Direct uses | Strings |
|---|---|---|---|---|
| drupal_page_header |
drupal/ |
Sets HTTP headers in preparation for a page response. | 2 | |
| drupal_serve_page_from_cache |
drupal/ |
Sets HTTP headers in preparation for a cached page response. | 2 | |
| bootstrap_hooks |
drupal/ |
Defines the critical hooks that force modules to always be loaded. | 1 | |
| drupal_unpack |
drupal/ |
Unserializes and appends elements from a serialized string. | ||
| t |
drupal/ |
Translates a string to the current language or to a given language. | 1,903 | 28 |
| format_string |
drupal/ |
Formats a string for HTML display by replacing variable placeholders. | 253 | 1 |
| check_plain |
drupal/ |
Encodes special characters in a plain-text string for display as HTML. | 188 | 10 |
| 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. | 13 | |
| watchdog_exception |
drupal/ |
Logs an exception. | 14 | |
| watchdog |
drupal/ |
Logs a system message. | 124 | 9 |
| drupal_set_message |
drupal/ |
Sets a message to display to the user. | 267 | |
| 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. | 8 | |
| drupal_set_title |
drupal/ |
Sets the title of the current page. | 67 | |
| drupal_is_denied |
drupal/ |
Checks to see if an IP address has been blocked. | 1 | |
| drupal_block_denied |
drupal/ |
Handles denied users. | 1 | |
| drupal_random_bytes |
drupal/ |
Returns a string of highly randomized bytes (over the full 8-bit range). | 9 | |
| drupal_hmac_base64 |
drupal/ |
Calculates a base-64 encoded, URL-safe sha-256 hmac. | 9 | |
| drupal_hash_base64 |
drupal/ |
Calculates a base-64 encoded, URL-safe sha-256 hash. | 28 | |
| drupal_array_merge_deep |
drupal/ |
Merges multiple arrays, recursively, and returns the merged array. | 4 | |
| drupal_array_merge_deep_array |
drupal/ |
Merges multiple arrays, recursively, and returns the merged array. | 4 | |
| drupal_anonymous_user |
drupal/ |
Generates a default anonymous $user object. | 12 | |
| drupal_bootstrap |
drupal/ |
Ensures Drupal is bootstrapped to the specified phase. | 16 | |
| drupal_get_user_timezone |
drupal/ |
Returns the time zone of the current user. | 4 | |
| drupal_get_hash_salt |
drupal/ |
Gets a salt useful for hardening against SQL injection. | 8 | |
| _drupal_error_handler |
drupal/ |
Provides custom PHP error handling. | 2 | 2 |
| _drupal_exception_handler |
drupal/ |
Provides custom PHP exception handling. | 2 | |
| _drupal_bootstrap_configuration |
drupal/ |
Sets up the script environment and loads settings.php. | 1 | |
| _drupal_bootstrap_page_cache |
drupal/ |
Attempts to serve a page from the cache. | 1 | |
| _drupal_bootstrap_database |
drupal/ |
Initializes the database system and registers autoload functions. | 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. | 5 | |
| drupal_valid_test_ua |
drupal/ |
Returns the test prefix if this is an internal request from SimpleTest. | 8 | |
| 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. | 5 | |
| drupal_fast_404 |
drupal/ |
Returns a simple 404 Not Found page. | 1 | |
| 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. | 19 | |
| drupal_language_initialize |
drupal/ |
Initializes all the defined language types. | 7 | |
| drupal_language_types |
drupal/ |
Returns a list of the built-in language types. | 5 | |
| drupal_multilingual |
drupal/ |
Returns TRUE if there is more than one language enabled. | 8 | |
| language_types |
drupal/ |
Returns an array of the available language types. | 5 | 6 |
| language_list |
drupal/ |
Returns a list of installed languages, indexed by the specified key. | 47 | 14 |
| language_default |
drupal/ |
Returns the default language, as an object, or one of its properties. | 26 | 9 |
| request_path |
drupal/ |
Returns the requested URL path of the page being viewed. | 3 | |
| arg |
drupal/ |
Returns a component of the current Drupal path. | 28 | |
| ip_address |
drupal/ |
Returns the IP address of the client machine. | 20 | 4 |
| drupal_get_schema |
drupal/ |
Gets the schema definition of a table, or the whole database schema. | 27 |