A simpler way to get the $_SERVER parameters:
<?php
echo "<pre>";
print_r($_SERVER);
echo "</pre>";
----
Server IP: 69.147.83.197
Probable Submitter: 65.199.223.2
----
Manual Page -- http://www.php.net/manual/en/reserved.variables.server.php
Edit -- https://master.php.net/note/edit/102345
Del: integrated -- https://master.php.net/note/delete/102345/integrated
Del: useless -- https://master.php.net/note/delete/102345/useless
Del: bad code -- https://master.php.net/note/delete/102345/bad+code
Del: spam -- https://master.php.net/note/delete/102345/spam
Del: non-english -- https://master.php.net/note/delete/102345/non-english
Del: in docs -- https://master.php.net/note/delete/102345/in+docs
Del: other reasons-- https://master.php.net/note/delete/102345
Reject -- https://master.php.net/note/reject/102345
Search -- https://master.php.net/manage/user-notes.php
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