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May 22, 2018 20:49
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Das Plugin "Cookie Notice" für WordPress ermöglicht Opt-In in Facebook-Pixel und Google Analytics ...
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| <?php | |
| /** | |
| * Cookie-abhängiger Tracking-Code: Google Analytics und Facebook-Pixel. | |
| * | |
| * Falls Autoptimze installiert ist, wird der JS-Code | |
| * auch minimiert (empfohlen). | |
| * | |
| * ACHTUNG: FB-Pixel-ID "12345678901234" und Google-Analytics-ID "UA-xxxxxxxxxx" | |
| * müssen unten im Code natürlich angepasst werden!! | |
| */ | |
| add_action( 'wp_footer', function() { | |
| ob_start(); ?> | |
| <script type="text/javascript" id="child-theme-tracking-code"> | |
| function readCookie(k){ return(document.cookie.match('(^|; )'+k+'=([^;]*)')||0)[2]; } | |
| document.addEventListener( "DOMContentLoaded", function() { | |
| if( readCookie( 'divi-child-cookie-notice-hidden' ) === 'true' ) { | |
| console.log('Hiddener runs.'); | |
| var notice = document.getElementById( 'cookie-notice' ); | |
| if( typeof notice !== 'undefined' ) { | |
| notice.style.display = 'none'; | |
| notice.parentNode.removeChild(notice); | |
| } | |
| } | |
| }); | |
| function hideCookieNotice() { | |
| document.cookie = 'divi-child-cookie-notice-hidden=true; max-age=' + 60*60*24*60 + '; path=/'; | |
| location.reload(); | |
| } | |
| function allowTracking() { | |
| document.cookie = 'cookie_notice_accepted=true; max-age=' + 60*60*24*60 + '; path=/'; | |
| location.reload(); | |
| } | |
| function disallowTracking() { | |
| document.cookie = 'cookie_notice_accepted=false; expires=Thu, 01 Jan 1970 00:00:01 GMT; path=/'; | |
| location.reload(); | |
| } | |
| if( readCookie( 'cookie_notice_accepted') === 'true' ) { | |
| <?php /**** Facebook Pixel Code ****/ ?> | |
| !function(f,b,e,v,n,t,s){if(f.fbq)return;n=f.fbq=function(){n.callMethod? | |
| n.callMethod.apply(n,arguments):n.queue.push(arguments)};if(!f._fbq)f._fbq=n; | |
| n.push=n;n.loaed=!0;n.version='2.0';n.queue=[];t=b.createElement(e);t.async=!0; | |
| t.src=v;s=b.getElementsByTagName(e)[0];s.parentNode.insertBefore(t,s)}(window, | |
| document,'script','https://connect.facebook.net/en_US/fbevents.js'); | |
| fbq('init', '12345678901234'); | |
| fbq('track', 'PageView'); | |
| <?php /**** End Facebook Pixel Code ****/ ?> | |
| <?php /**** Google Analytics ****/ ?> | |
| (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ | |
| (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), | |
| m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) | |
| })(window,document,'script','https://www.google-analytics.com/analytics.js','ga'); | |
| ga('create', 'UA-xxxxxxxxxx', 'auto'); | |
| ga('set', 'anonymizeIp', true); | |
| ga('require', 'outboundLinkTracker'); | |
| ga('send', 'pageview'); | |
| <?php /**** Ende GA ****/ ?> | |
| } | |
| </script><?php | |
| $to_minify = ob_get_clean(); | |
| if ( class_exists( 'JSMin' ) && apply_filters( 'autoptimize_js_do_minify' , true ) ) { | |
| if ( @is_callable( array( "JSMin", "minify" ) ) ) { | |
| $minified = trim( JSMin::minify( $to_minify ) ); | |
| } else { | |
| $minified = ''; | |
| } | |
| } | |
| print empty( $minified ) ? $to_minify : $minified; | |
| }, 1001 ); | |
| /** | |
| * Shortcode [decide_tracking] zeigt in der Datenschutzerklärung den aktuellen Status | |
| * des FB- und GA-Trackings an und ermöglicht, diesen per Klick zu ändern. | |
| * | |
| * => Abhängig vom Plugin "Cookie Notice"! | |
| */ | |
| function decide_tracking_shortcode( $content ) { | |
| $out = '<div id="active-track-state"><noscript><p>Da <strong>in diesem Browser JavaScript deaktiviert</strong> ist, '; | |
| $out .= 'findet auf unserer Website ohnehin kein Tracking durch Google Analytics oder das Facebook-Pixel statt.</p></noscript></div>'; | |
| $out .= "\n<script>\n"; | |
| $out .= "function myreadCookie(k){return(document.cookie.match('(^|; )'+k+'=([^;]*)')||0)[2];}\n"; | |
| $out .= "if(myreadCookie('cookie_notice_accepted')==='true'){var tracking=true}else{var tracking=false}\n"; | |
| $out .= "if(tracking){var state = 'aktiviert';var button=' (<a href=\"#\" onclick=\"disallowTracking()\">Deaktivieren</a>';}"; | |
| $out .= "else{var state='deaktiviert';var button=' (<a href=\"#\" onclick=\"allowTracking()\">Aktivieren</a>';}\n"; | |
| $out .= "var msg = 'Das Tracking durch Google Analytics sowie das Setzen des Facebook-Pixels ist in diesem Browser: <strong>' + state + '</strong>.';\n"; | |
| $out .= "if(myreadCookie('cookie_notice_accepted') === 'true' || myreadCookie('divi-child-cookie-notice-hidden') === 'true'){var banner=')';}else{"; | |
| $out .= "var banner=' / <a href=\"#\" onclick=\"hideCookieNotice()\">Cookie-Banner verbergen</a>)';}\n"; | |
| $out .= "msg = '<p>' + msg + button + banner + '</p>';\n"; | |
| $out .= "document.getElementById('active-track-state').innerHTML = msg;\n"; | |
| $out .= '</script>'; | |
| return $out; | |
| } | |
| add_shortcode( 'decide_tracking', 'decide_tracking_shortcode' ); |
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Wahrscheinlich sollte das Ganze besser ein Plugin sein. Aber so wie oben in der functions.php eines Child-Themes funktioniert es jedenfalls und ist getestet.