CONTEXT_DOCUMENT_ROOT: /home/course/u30/public_html
DOCUMENT_ROOT: /var/www/html
CONTEXT_PREFIX: /~u30
REQUEST_URI: /~u30/examples_php_general/web/t1/t2/t3/test_location.php
SCRIPT_NAME: /~u30/examples_php_general/web/t1/t2/t3/test_location.php