Documentation & API reference
Functions
Primary tabs
Name |
Location | Description | Direct uses | Strings |
|---|---|---|---|---|
| db_next_id |
drupal/ |
Retrieves a unique id. | 4 | |
| db_or |
drupal/ |
Returns a new DatabaseCondition, set to "OR" all conditions together. | 10 | |
| db_query |
drupal/ |
Executes an arbitrary query string against the active database. | 128 | 2 |
| db_query_range |
drupal/ |
Executes a query against the active database, restricted to a range. | 13 | 1 |
| db_query_temporary |
drupal/ |
Executes a SELECT query string and saves the result set to a temporary table. | 2 | |
| db_rename_table |
drupal/ |
Renames a table. | 14 | |
| db_run_tasks |
drupal/ |
Ensures the environment for a Drupal database on a predefined connection. | 2 | |
| db_select |
drupal/ |
Returns a new SelectQuery object for the active database. | 113 | |
| db_set_active |
drupal/ |
Sets a new active database. | 2 | |
| db_table_exists |
drupal/ |
Checks if a table exists. | 24 | |
| db_transaction |
drupal/ |
Returns a new transaction object for the active database. | 17 | |
| db_truncate |
drupal/ |
Returns a new TruncateQuery object for the active database. | 1 | |
| db_update |
drupal/ |
Returns a new UpdateQuery object for the active database. | 1 | |
| db_xor |
drupal/ |
Returns a new DatabaseCondition, set to "XOR" all conditions together. | ||
| debug |
drupal/ |
Outputs debug information. | 1 | 4 |
| decode_entities |
drupal/ |
Decodes all HTML entities (including numerical ones) to regular UTF-8 bytes. | 15 | 1 |
| drupal_access_denied |
drupal/ |
Delivers an "access denied" error to the browser. | 7 | |
| drupal_add_css |
drupal/ |
Adds a cascading stylesheet to the stylesheet queue. | 42 | 3 |
| drupal_add_feed |
drupal/ |
Adds a feed URL for the current page. | 9 | |
| drupal_add_html_head |
drupal/ |
Adds output to the HEAD tag of the HTML page. | 7 | |
| drupal_add_html_head_link |
drupal/ |
Adds a LINK tag with a distinct 'rel' attribute to the page's HEAD. | 8 | |
| drupal_add_http_header |
drupal/ |
Sets an HTTP response header for the current page. | 24 | |
| drupal_add_js |
drupal/ |
Adds a JavaScript file, setting, or inline code to the page. | 51 | 8 |
| drupal_add_library |
drupal/ |
Adds multiple JavaScript or CSS files at the same time. | 13 | 3 |
| drupal_add_region_content |
drupal/ |
Adds content to a specified region. | 5 | |
| drupal_add_tabledrag |
drupal/ |
Assists in adding the tableDrag JavaScript behavior to a themed table. | 16 | |
| drupal_aggregate_css |
drupal/ |
Default callback to aggregate CSS files and inline content. | 1 | |
| drupal_alter |
drupal/ |
Passes alterable variables to specific hook_TYPE_alter() implementations. | 92 | 3 |
| drupal_anonymous_user |
drupal/ |
Generates a default anonymous $user object. | 12 | |
| drupal_array_diff_assoc_recursive |
drupal/ |
Recursively computes the difference of arrays with additional index check. | 1 | |
| drupal_array_get_nested_value |
drupal/ |
Retrieves a value from a nested array with variable depth. | 16 | |
| 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_array_nested_key_exists |
drupal/ |
Determines whether a nested array contains the requested keys. | 2 | |
| drupal_array_set_nested_value |
drupal/ |
Sets a value in a nested array with variable depth. | 7 | |
| drupal_attributes |
drupal/ |
Converts an associative array to an XML/HTML tag attribute string. | 41 | |
| drupal_autoload_class |
drupal/ |
Confirms that a class is available. | 1 | 2 |
| drupal_autoload_interface |
drupal/ |
Confirms that an interface is available. | 1 | 2 |
| drupal_autoload_test_registry_files_alter |
drupal/ |
Implements hook_registry_files_alter(). | ||
| drupal_autoload_trait |
drupal/ |
Confirms that a trait is available. | 1 | 1 |
| drupal_base64_encode |
drupal/ |
Returns a URL-safe, base64 encoded version of the supplied string. | 1 | |
| drupal_basename |
drupal/ |
Gets the filename from a given path. | 32 | |
| drupal_block_denied |
drupal/ |
Handles denied users. | 1 | |
| drupal_bootstrap |
drupal/ |
Ensures Drupal is bootstrapped to the specified phase. | 16 | |
| drupal_build_css_cache |
drupal/ |
Aggregates and optimizes CSS files into a cache file in the files directory. | 1 | |
| drupal_build_form |
drupal/ |
Builds and process a form based on a form id. | 3 | |
| drupal_build_js_cache |
drupal/ |
Aggregates JavaScript files into a cache file in the files directory. | 2 | |
| drupal_cache_system_paths |
drupal/ |
Cache system paths for a page. | 1 | |
| drupal_check_incompatibility |
drupal/ |
Checks whether a version is compatible with a given dependency. | 2 | |
| drupal_check_memory_limit |
drupal/ |
Compares the memory required for an operation to the available memory. | 4 |