if( !preg_match("/HTTPS/", $_SERVER['SERVER_PROTOCOL']) ){ .... } That's what I have been using. HTH -- Ray Hauge Programmer/Systems Administrator American Student Loan Services http://www.americanstudentloan.com 1.800.575.1099 On Friday 13 January 2006 04:05 pm, James Benson wrote: > What is the most reliable way to test if a connection is already using > the https protocol, is their a PHP constant or something builtin already? > > > > Thanks, > James -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php