Documentation & API reference
Functions
Primary tabs
| Name | Location | Description |
Direct uses |
Strings |
|---|---|---|---|---|
| drupal_session_started |
drupal/ |
Returns whether a session has been started. | 3 | |
| unicode_check |
drupal/ |
Checks for Unicode support in PHP and sets the proper settings if possible. | 3 | |
| bootstrap_invoke_all |
drupal/ |
Invokes a bootstrap hook in all bootstrap modules that implement it. | 3 | |
| drupal_get_http_header |
drupal/ |
Gets the HTTP response headers for the current page. | 3 | |
| _drupal_set_preferred_header_name |
drupal/ |
Sets the preferred name for the HTTP header. | 3 | |
| drupal_send_headers |
drupal/ |
Sends the HTTP response headers that were previously set, adding defaults. | 3 | |
| drupal_serve_page_from_cache |
drupal/ |
Sets HTTP headers in preparation for a cached page response. | 3 | |
| drupal_array_merge_deep |
drupal/ |
Merges multiple arrays, recursively, and returns the merged array. | 3 | |
| drupal_get_bootstrap_phase |
drupal/ |
Returns the current bootstrap phase for this Drupal process. | 3 | |
| language_default_locked_languages |
drupal/ |
Returns a list of the default locked languages. | 3 | |
| language_is_locked |
drupal/ |
Checks if a language is locked. | 3 | |
| drupal_classloader_register |
drupal/ |
Registers an additional namespace. | 3 | |
| drupal_check_memory_limit |
drupal/ |
Compares the memory required for an operation to the available memory. | 3 | |
| drupal_install_schema |
drupal/ |
Creates all tables defined in a module's hook_schema(). | 3 | |
| _drupal_schema_initialize |
drupal/ |
Fills in required default values for table definitions from hook_schema(). | 3 | |
| db_find_tables |
drupal/ |
Finds all tables that are like the specified base table name. | 3 | |
| db_ignore_slave |
drupal/ |
Sets a session variable specifying the lag time for ignoring a slave server. | 3 | |
| config_get_storage_names_with_prefix |
drupal/ |
Gets configuration object names starting with a given prefix. | 3 | |
| config_sync_changes |
drupal/ |
Writes an array of config file changes from a source storage to a target storage. | 3 | |
| config_import_invoke_owner |
drupal/ |
Invokes MODULE_config_import() callbacks for configuration changes. | 3 | |
| entity_revision_load |
drupal/ |
Loads an entity from the database. | 3 | |
| entity_load_unchanged |
drupal/ |
Loads the unchanged, i.e. not modified, entity from the database. | 3 | |
| entity_form_id |
drupal/ |
Returns the form id for the given entity and operation. | 3 | |
| entity_form_state_defaults |
drupal/ |
Returns the default form state for the given entity and operation. | 3 | |
| entity_list_controller |
drupal/ |
Returns an entity list controller for a given entity type. | 3 | |
| drupal_get_query_array |
drupal/ |
Splits a URL-encoded query string into an array. | 3 | |
| valid_number_step |
drupal/ |
Verifies that a number is a multiple of a given step. | 3 | |
| drupal_load_stylesheet_content |
drupal/ |
Processes the contents of a stylesheet for aggregation. | 3 | |
| drupal_clear_css_cache |
drupal/ |
Deletes old cached CSS files. | 3 | 1 |
| drupal_js_defaults |
drupal/ |
Constructs an array of the defaults that are used for JavaScript items. | 3 | |
| drupal_process_attached |
drupal/ |
Adds attachments to a render() structure. | 3 | |
| drupal_build_js_cache |
drupal/ |
Aggregates JavaScript files into a cache file in the files directory. | 3 | |
| drupal_get_private_key |
drupal/ |
Ensures the private key variable used to generate tokens is set. | 3 | |
| drupal_array_nested_key_exists |
drupal/ |
Determines whether a nested array contains the requested keys. | 3 | |
| archiver_get_extensions |
drupal/ |
Returns a string of supported archive extensions. | 3 | |
| drupal_get_updaters |
drupal/ |
Assembles the Drupal Updater registry. | 3 | |
| image_dimensions_scale |
drupal/ |
Scales image dimensions while maintaining aspect ratio. | 3 | |
| image_scale |
drupal/ |
Scales an image while maintaining aspect ratio. | 3 | 6 |
| image_crop |
drupal/ |
Crops an image to a rectangle specified by the given dimensions. | 3 | 1 |
| authorize_get_filetransfer |
drupal/ |
Gets a FileTransfer class for a specific transfer method and settings. | 3 | |
| tablesort_init |
drupal/ |
Initialize the table sort context. | 3 | |
| tablesort_get_query_parameters |
drupal/ |
Compose a URL query parameter array for table sorting links. | 3 | |
| tablesort_get_sort |
drupal/ |
Determine the current sort direction. | 3 | |
| drupal_retrieve_form |
drupal/ |
Retrieves the structured array that defines a given form. | 3 | |
| form_clear_error |
drupal/ |
Clears all errors against all form elements made by form_set_error(). | 3 | |
| _batch_queue |
drupal/ |
Returns a queue object for a batch set. | 3 | |
| _theme_registry_callback |
drupal/ |
Set the callback that will be used by theme_get_registry() to fetch the registry. | 3 | |
| _theme_process_registry |
drupal/ |
Process a single implementation of hook_theme(). | 3 | |
| path_to_theme |
drupal/ |
Return the path to the current themed element. | 3 | |
| menu_unserialize |
drupal/ |
Unserializes menu data, using a map to replace path elements. | 3 |