| $base_path | developer/globals.php | The base path of the Drupal installation. |
| $base_root | developer/globals.php | The root URL of the host, excluding the path. |
| $base_theme_info | developer/globals.php | An array of objects that represent the base theme. |
| $base_url | developer/globals.php | The base URL of the Drupal installation. |
| $channel | developer/globals.php | An associative array containing title, link, description and other keys. |
| $conf | ./authorize.php | |
| $conf | developer/globals.php | Array of persistent variables stored in 'variable' table. |
| $cookie_domain | developer/globals.php | The domain to be used for session cookies. |
| $databases | developer/globals.php | Array of database connections. |
| $drupal_test_info | modules/simpletest/drupal_web_test_case.php | Global variable that holds information about the tests being run. |
| $element | developer/globals.php | Structured array describing the data to be rendered. |
| $forum_topic_list_header | developer/globals.php | An array of forum topic header information. |
| $image | developer/globals.php | Current image tag used by aggregator parsing. |
| $installed_profile | developer/globals.php | The name of the profile that has just been installed. |
| $is_https | developer/globals.php | Boolean indicating whether or not the current request is secured by HTTPS. |
| $item | developer/globals.php | General string or array. |
| $items | developer/globals.php | Array of items used by aggregator. |
| $language | developer/globals.php | An object containing the information for the active interface language. |
| $language_content | developer/globals.php | An object containing the information for the active content language. |
| $language_url | developer/globals.php | An object containing the information for the active URL language. |
| $menu_admin | developer/globals.php | Boolean indicating that a menu administrator is running a menu access check. |
| $multibyte | developer/globals.php | The current multibyte mode. |
| $pager_limits | developer/globals.php | Array of the number of items per page for each pager. |
| $pager_page_array | developer/globals.php | Array of current page numbers for each pager. |
| $pager_total | developer/globals.php | Array of the total number of pages for each pager. |
| $pager_total_items | developer/globals.php | Array of the total number of items for each pager. |
| $tag | developer/globals.php | Active tag name. |
| $theme | developer/globals.php | Name of the active theme. |
| $theme_engine | developer/globals.php | The theme engine related to the active theme. |
| $theme_info | developer/globals.php | Active theme object. |
| $theme_key | developer/globals.php | Name of the active theme. |
| $theme_path | developer/globals.php | The path to the active theme. |
| $timers | developer/globals.php | Timers that have been created by timer_start(). |
| $update_free_access | developer/globals.php | Allows the update.php script to be run when not logged in as administrator. |
| $user | developer/globals.php | An object representing the currently logged-in user. |