Here is a list of all documented variables with links to the documentation:

- n -

• NAVIGATION_CACHE_NAME : navigationlib.php
• NO_CUSTOM_CHECK_FOUND : environmentlib.php
• NO_DATABASE_SECTION_FOUND : environmentlib.php
• NO_DATABASE_VENDOR_MYSQL_FOUND : environmentlib.php
• NO_DATABASE_VENDOR_POSTGRES_FOUND : environmentlib.php
• NO_DATABASE_VENDOR_VERSION_FOUND : environmentlib.php
• NO_DATABASE_VENDORS_FOUND : environmentlib.php
• NO_ERROR : environmentlib.php
• NO_MOODLE_COOKIES : service-nologin.php
• NO_PHP_EXTENSIONS_NAME_FOUND : environmentlib.php
• NO_PHP_EXTENSIONS_SECTION_FOUND : environmentlib.php
• NO_PHP_SECTION_FOUND : environmentlib.php
• NO_PHP_SETTINGS_NAME_FOUND : environmentlib.php
• NO_PHP_VERSION_FOUND : environmentlib.php
• NO_UNICODE_SECTION_FOUND : environmentlib.php
• NO_VERSION_DATA_FOUND : environmentlib.php
• NOGROUPS : grouplib.php
• NOTES_SHOW_FULL : lib.php
• NOTES_STATE_DRAFT : lib.php
• NULL_ALLOWED : moodlelib.php
• NULL_NOT_ALLOWED : moodlelib.php