note 78552 added to tutorial.firstpage

hi i'm currently trying to learn php on my own. the body of my code currently looks like: <?php // DISPLAYS 'HELLO WORLD' echo '<p>Hello World</p>'; ?> <?php //DISPLAYS COMPUTER INFO phpinfo(); ?> <?php // DISPLAYS BROWSER INFO echo $_SERVER['HTTP_USER_AGENT']; ?> <?php if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') == FALSE) {echo 'You are not using IE.'; } ?> ------------------------ but when i try to preview the output in my browser (Opera), it only shows: Hello World'; ?> all the coding is from this website. am i missing something? ---- Server IP: 209.41.74.194 Probable Submitter: 68.4.78.138 ---- Manual Page -- http://www.php.net/manual/en/tutorial.firstpage.php Edit -- https://master.php.net/note/edit/78552 Del: integrated -- https://master.php.net/note/delete/78552/integrated Del: useless -- https://master.php.net/note/delete/78552/useless Del: bad code -- https://master.php.net/note/delete/78552/bad+code Del: spam -- https://master.php.net/note/delete/78552/spam Del: non-english -- https://master.php.net/note/delete/78552/non-english Del: in docs -- https://master.php.net/note/delete/78552/in+docs Del: other reasons-- https://master.php.net/note/delete/78552 Reject -- https://master.php.net/note/reject/78552 Search -- https://master.php.net/manage/user-notes.php