interested in is [PHP_SELF].
Array ( [HTTP_HOST] => localhost:81 [HTTP_USER_AGENT] => Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 [HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 [HTTP_ACCEPT_LANGUAGE] => en-us,en;q=0.5 [HTTP_ACCEPT_ENCODING] => gzip, deflate [HTTP_ACCEPT_CHARSET] => ISO-8859-1,utf-8;q=0.7,*;q=0.7 [HTTP_CONNECTION] => keep-alive [HTTP_REFERER] => http://localhost:81/PHP/test.php [HTTP_COOKIE] => PHPSESSID=ehgui3cnkcfjgjk2ats8aajk75 [HTTP_CACHE_CONTROL] => max-age=0 [CONTENT_TYPE] => application/x-www-form-urlencoded [CONTENT_LENGTH] => 32 [PATH] => C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files\PC-Doctor for Windows\services;C:\Program Files\Common Files\Lenovo;C:\Program Files\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\DTS\Binn\ [SystemRoot] => C:\WINDOWS [COMSPEC] => C:\WINDOWS\system32\cmd.exe [PATHEXT] => .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH [WINDIR] => C:\WINDOWS [SERVER_SIGNATURE] => [SERVER_SOFTWARE] => Apache/2.2.8 (Win32) PHP/5.2.6 [SERVER_NAME] => localhost [SERVER_ADDR] => 127.0.0.1 [SERVER_PORT] => 81 [REMOTE_ADDR] => 127.0.0.1 [DOCUMENT_ROOT] => C:/wamp/www/ [SERVER_ADMIN] => admin@localhost [SCRIPT_FILENAME] => C:/wamp/www/PHP/test.php [REMOTE_PORT] => 17635 [GATEWAY_INTERFACE] => CGI/1.1 [SERVER_PROTOCOL] => HTTP/1.1 [REQUEST_METHOD] => POST [QUERY_STRING] => [REQUEST_URI] => /PHP/test.php [SCRIPT_NAME] => /PHP/test.php [PHP_SELF] => /PHP/test.php [REQUEST_TIME] => 1310501950 )PHP_SELF can be extremely useful if you want to know the address of the page from which the current
page was redirected. eg:
Consider that we have 3 pages. page1.php, page2.php and page3.php. Page1 submits a form to both
page2 and page3 and we want to redirect page1 correctly to page2 or 3 depending on which page
initiated the submission.
page2.php --------- <?php include 'page1.php; ?> <html> <p>This is page 2</p> </html> page3.php --------- <?php include 'page1.php'; ?> <html> <p>This is page 3</p> </html> page1.php --------- <html> <body> <form method="post" action="<?php echo $_SERVER['PHP_SELF'] ?>"> <input type="text" name="name" /> <input type="submit" name="submit"/> </form> </body> </html>
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