Documentation & API reference
Functions
Primary tabs
| Name |
Location |
Description | Direct uses | Strings |
|---|---|---|---|---|
| variable_del |
drupal/ |
Unsets a persistent variable. | 17 | |
| drupal_page_get_cache |
drupal/ |
Retrieves the current page from the cache. | 2 | |
| drupal_page_is_cacheable |
drupal/ |
Determines the cacheability of the current page. | 5 | |
| bootstrap_invoke_all |
drupal/ |
Invokes a bootstrap hook in all bootstrap modules that implement it. | ||
| drupal_load |
drupal/ |
Includes a file with the provided type and name. | 4 | |
| drupal_add_http_header Deprecated |
drupal/ |
Sets an HTTP response header for the current page. | 13 | |
| drupal_get_http_header Deprecated |
drupal/ |
Gets the HTTP response headers for the current page. | 3 | |
| _drupal_set_preferred_header_name Deprecated |
drupal/ |
Sets the preferred name for the HTTP header. | 2 | |
| drupal_send_headers Deprecated |
drupal/ |
Sends the HTTP response headers that were previously set, adding defaults. | 1 | |
| drupal_page_header Deprecated |
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 | |
| t |
drupal/ |
Translates a string to the current language or to a given language. | 2,614 | 59 |
| format_string |
drupal/ |
Formats a string for HTML display by replacing variable placeholders. | 331 | |
| check_plain |
drupal/ |
Encodes special characters in a plain-text string for display as HTML. | 255 | 14 |
| 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 | |
| watchdog |
drupal/ |
Logs a system message. | 115 | 4 |
| 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_error_handler |
drupal/ |
Provides custom PHP error handling. | 3 | |
| _drupal_exception_handler |
drupal/ |
Provides custom PHP exception handling. | 3 | |
| _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_implements Deprecated |
drupal/ |
Determines which modules are implementing a hook. | 60 | 5 |
| 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 | |
| drupal_alter Deprecated |
drupal/ |
Passes alterable variables to specific hook_TYPE_alter() implementations. | 73 | 1 |
| 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 |