HTTP_REFERER 与 HTTP_USER_AGENT的使用方法_PHP教程

 

            if (isset($_SERVER['HTTP_REFERER'])) {
                    print "The page you were on previously was {$_SERVER['HTTP_REFERER']}
";
            } else {
                    print "You didn't click any links to get here
";
            }
    ?>

    Click me!

http://www.bkjia.com/PHPjc/445349.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/445349.htmlTechArticleif (isset($_SERVER[HTTP_REFERER])) { print The page you were on previously was {$_SERVER[HTTP_REFERER]} ; } else { print You didnt click any links to get here ; } ? Click me!...