PHP_SELF: /~u30/examples_php_annotated/system_web_info/test_SERVER.php
HTTP_HOST: ps.cs.smu.ca


Warning:  Undefined array key "HTTP_REFERER" in /home/course/u30/public_html/examples_php_annotated/system_web_info/test_SERVER.php on line 22

HTTP_REFERER: 
CONTEXT_DOCUMENT_ROOT: /home/course/u30/public_html
DOCUMENT_ROOT: /var/www/html
CONTEXT_PREFIX: /~u30
REQUEST_URI: /~u30/examples_php_annotated/system_web_info/test_SERVER.php
SCRIPT_NAME: /~u30/examples_php_annotated/system_web_info/test_SERVER.php
REQUEST_METHOD: GET
QUERY_STRING: 
SCRIPT_FILENAME: /home/course/u30/public_html/examples_php_annotated/system_web_info/test_SERVER.php