Documentation & API reference
Functions
Primary tabs
| Name |
Location |
Description | Direct uses | Strings |
|---|---|---|---|---|
| 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 | |
| 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 Deprecated |
drupal/ |
Returns the language object for a given language type. | 53 | 72 |
| 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_list |
drupal/ |
Returns a list of languages set up on the site. | 87 | 22 |
| 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_default |
drupal/ |
Returns the default language used on the site. | 16 | 8 |
| _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 | |
| arg |
drupal/ |
Returns a component of the current Drupal path. | 23 | 1 |
| 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_shutdown_function |
drupal/ |
Executes registered shutdown functions. | 1 | |
| drupal_check_memory_limit |
drupal/ |
Compares the memory required for an operation to the available memory. | 4 | |
| lock Deprecated |
drupal/ |
Get locking layer instance. | 5 | |
| timer_start Deprecated |
drupal/ |
2 | ||
| timer_read Deprecated |
drupal/ |
1 | ||
| timer_stop Deprecated |
drupal/ |
1 | ||
| conf_path |
drupal/ |
Returns the appropriate configuration directory. | 37 | 3 |
| _drupal_simpletest_conf_path |
drupal/ |
Determines whether to use an overridden value for conf_path(). | 1 | |
| find_conf_path |
drupal/ |
Finds the appropriate configuration directory for a given host and path. | 1 | |
| config_get_config_directory |
drupal/ |
Returns the path of a configuration directory. | 13 | |
| drupal_override_server_variables |
drupal/ |
Sets appropriate server variables needed for command line scripts to work. | 2 | |
| drupal_environment_initialize |
drupal/ |
Initializes the PHP environment. | 1 | |
| drupal_valid_http_host |
drupal/ |
Validates that a hostname (for example $_SERVER['HTTP_HOST']) is safe. | 1 | |
| drupal_settings_initialize |
drupal/ |
Sets the base URL, cookie domain, and session name from configuration. | 1 | |
| drupal_get_filename |
drupal/ |
Returns and optionally sets the filename for a system resource. | 11 | |
| settings |
drupal/ |
Returns a setting. | 22 | |
| variable_initialize |
drupal/ |
Loads the persistent variable table. | 3 | |
| variable_get |
drupal/ |
Returns a persistent variable. | 112 | 1 |
| variable_set |
drupal/ |
Sets a persistent variable. | 57 |