CONTEXT_DOCUMENT_ROOT: /home/course/u90/public_html
DOCUMENT_ROOT: /home/course/u90/public_html
CONTEXT_PREFIX:
REQUEST_URI: /examples_php_general/web/test_SERVER.php?a=b
SCRIPT_NAME: /examples_php_general/web/test_SERVER.php
REQUEST_METHOD: GET
QUERY_STRING: a=b
Warning: Undefined array key "HTTP_REFERER" in /home/course/u90/public_html/examples_php_general/web/test_SERVER.php on line 35
HTTP_REFERER:
PHP_SELF: /examples_php_general/web/test_SERVER.php
SCRIPT_FILENAME: /home/course/u90/public_html/examples_php_general/web/test_SERVER.php