Documentation & API reference
Functions
Primary tabs
| Name | Location | Description |
Direct uses |
Strings |
|---|---|---|---|---|
| drupal_get_installed_schema_version |
drupal/ |
Returns the currently installed schema version for a module. | 14 | |
| drupal_get_schema_unprocessed |
drupal/ |
Returns the unprocessed and unaltered version of a module's schema. | 14 | |
| drupal_json_decode |
drupal/ |
Converts an HTML-safe JSON string into its PHP equivalent. | 14 | |
| drupal_explode_tags |
drupal/ |
Explodes a string of tags into an array. | 14 | |
| drupal_theme_initialize |
drupal/ |
Initialize the theme system by loading the theme. | 14 | |
| views_get_handler |
drupal/ |
Fetch a handler from the data cache. | 14 | |
| field_read_fields |
drupal/ |
Reads in fields that match an array of conditions. | 14 | |
| field_read_instance |
drupal/ |
Reads a single instance record from the database. | 14 | |
| field_read_instances |
drupal/ |
Reads in field instances that match an array of conditions. | 14 | |
| field_available_languages |
drupal/ |
Collects the available language codes for the given entity type and field. | 14 | 2 |
| field_form_get_state |
drupal/ |
Retrieves processing information about a field from $form_state. | 14 | |
| field_attach_insert |
drupal/ |
Save field data for a new entity. | 14 | |
| search_update_totals |
drupal/ |
Updates the {search_total} database table. | 14 | 1 |
| node_load_multiple |
drupal/ |
Loads node entities from the database. | 14 | |
| node_view |
drupal/ |
Generates an array for rendering the given node. | 14 | |
| taxonomy_get_tree |
drupal/ |
Create a hierarchical representation of a vocabulary. | 14 | 2 |
| filter_formats |
drupal/ |
Retrieves a list of text formats, ordered by weight. | 14 | 2 |
| _field_sql_storage_columnname |
drupal/ |
Generates a column name for a field data table. | 14 | |
| drupal_load |
drupal/ |
Includes a file with the provided type and name. | 15 | |
| db_like |
drupal/ |
Escapes characters that work as wildcard characters in a LIKE pattern. | 15 | |
| drupal_get_css |
drupal/ |
Returns a themed representation of all stylesheets to attach to the page. | 15 | |
| drupal_clean_css_identifier |
drupal/ |
Prepares a string for use as a CSS identifier (element, class, or ID name). | 15 | 1 |
| image_get_info |
drupal/ |
Gets details about an image. | 15 | |
| form_get_errors |
drupal/ |
Returns an associative array of all errors. | 15 | |
| module_disable |
drupal/ |
Disables a given set of modules. | 15 | |
| shortcut_set_load |
drupal/ |
Loads the data for a shortcut set. | 15 | |
| user_role_change_permissions |
drupal/ |
Change permissions for a user role. | 15 | |
| taxonomy_term_save |
drupal/ |
Saves a term object to the database. | 15 | |
| filter_fallback_format |
drupal/ |
Returns the ID of the fallback text format that all users have access to. | 15 | |
| file_default_scheme |
drupal/ |
Gets the default file stream implementation. | 16 | 14 |
| file_unmanaged_copy |
drupal/ |
Copies a file to a new location without invoking the file API. | 16 | |
| language_multilingual |
drupal/ |
Returns TRUE if there is more than one language enabled. | 16 | |
| language_default |
drupal/ |
Returns the default language used on the site. | 16 | 7 |
| _form_set_attributes |
drupal/ |
Sets a form element's class attribute. | 16 | |
| drupal_save_session |
drupal/ |
Determines whether to save session data of the current request. | 17 | |
| db_or |
drupal/ |
Returns a new DatabaseCondition, set to "OR" all conditions together. | 17 | |
| format_size |
drupal/ |
Generates a string representation for the given byte count. | 17 | |
| drupal_html_class |
drupal/ |
Prepares a string for use as a valid class name. | 17 | |
| drupal_html_id |
drupal/ |
Prepares a string for use as a valid HTML ID and guarantees uniqueness. | 17 | 2 |
| field_read_field |
drupal/ |
Reads a single field record directly from the database. | 17 | |
| field_cache_clear |
drupal/ |
Clears the field info and field data caches. | 17 | |
| field_info_cache_clear |
drupal/ |
Clears the field info cache without clearing the field data cache. | 17 | |
| node_type_get_types |
drupal/ |
Returns a list of all the available node types. | 17 | |
| user_roles |
drupal/ |
Retrieve an array of roles matching specified conditions. | 17 | 1 |
| taxonomy_vocabulary_get_names |
drupal/ |
Get names for all taxonomy vocabularies. | 17 | 1 |
| drupal_unlink |
drupal/ |
Deletes a file. | 18 | |
| db_table_exists |
drupal/ |
Checks if a table exists. | 18 | |
| db_drop_table |
drupal/ |
Drops a table. | 18 | |
| drupal_add_tabledrag |
drupal/ |
Assists in adding the tableDrag JavaScript behavior to a themed table. | 18 | |
| user_load_by_name |
drupal/ |
Fetches a user object by account name. | 18 |