{"id":322375,"date":"2019-11-15T09:40:37","date_gmt":"2019-11-15T09:40:37","guid":{"rendered":"https:\/\/www.knowband.com\/blog\/?p=322195\/"},"modified":"2024-06-05T13:09:16","modified_gmt":"2024-06-05T13:09:16","slug":"qr-code-mit-php-generieren","status":"publish","type":"post","link":"https:\/\/www.knowband.com\/blog\/de\/ecommerce-blog\/qr-code-mit-php-generieren\/","title":{"rendered":"Generate QR Code Using PHP"},"content":{"rendered":"<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">QR-Code ist eine Art zweidimensionaler Barcode, der abgek\u00fcrzt wird <\/span><\/span><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Quick Response-Code<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> . <\/span><span style=\"vertical-align: inherit;\">Es handelt sich um ein optisches Etikett, das Informationen \u00fcber den Artikel enth\u00e4lt. <\/span><span style=\"vertical-align: inherit;\">Es wird einfach am Artikel befestigt. <\/span><span style=\"vertical-align: inherit;\">Es enth\u00e4lt schwarze Quadrate, die in einem Quadratgitter mit wei\u00dfem Hintergrund angeordnet sind.<\/span><\/span><\/p>\n<p class=\"gt-block alignnone\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">In diesem Blog erfahren wir Schritt f\u00fcr Schritt, wie man QR-Code mit PHP generiert. <\/span><span style=\"vertical-align: inherit;\">Mit Hilfe eines einfachen PHP-Skripts k\u00f6nnen Sie QR-Code f\u00fcr Text, Telefon, URL, E-Mail und SMS generieren.<\/span><\/span><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/11\/Infographic-Main-QR-Code.png\"><br \/>\n<\/a><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/11\/QR-Code-generieren-f\u00fcr.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-823210 size-full\" src=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/11\/QR-Code-generieren-f\u00fcr.png\" alt=\"QR-Code generieren f\u00fcr - Knowband\" width=\"800\" height=\"793\" srcset=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/11\/QR-Code-generieren-f\u00fcr.png 800w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/11\/QR-Code-generieren-f\u00fcr-150x150.png 150w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/11\/QR-Code-generieren-f\u00fcr-300x297.png 300w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/11\/QR-Code-generieren-f\u00fcr-768x761.png 768w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/11\/QR-Code-generieren-f\u00fcr-60x60.png 60w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/11\/Infographic-Main-QR-Code-1.png\"><br \/>\n<\/a><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">In diesem Projekt m\u00fcssen Sie zwei Dateien erstellen:<\/span><\/span><\/p>\n<ol>\n<li><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">qrcode.php<\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">index.php<\/span><\/span><\/strong><\/li>\n<\/ol>\n<p><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/11\/In-this-Project-You-Need-To-Follow-These-Steps-4.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-823212 size-full\" src=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/11\/In-this-Project-You-Need-To-Follow-These-Steps-4.png\" alt=\"Generieren Sie Schritt f\u00fcr Schritt QR-Code mit PHP - Knowband\" width=\"700\" height=\"480\" srcset=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/11\/In-this-Project-You-Need-To-Follow-These-Steps-4.png 700w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/11\/In-this-Project-You-Need-To-Follow-These-Steps-4-300x206.png 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<h3><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">SCHRITT 1: Klasse QrCode in qrcode.php definieren:<\/span><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">1. Erstellen Sie eine QrCode-Klasse. <\/span><span style=\"vertical-align: inherit;\">In diesem Kurs definieren wir die URL f\u00fcr die GOOGLE CHART API und Funktionen zum Generieren des QR-Codes f\u00fcr Text, Telefon, URL, E-Mail und SMS.<\/span><\/span><\/p>\n<pre class=\"brush: actionscript3; gutter: true\">Klasse QrCode { }<\/pre>\n<h3><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">SCHRITT 2: Definieren Sie die URL der Google-Chart-API in der QrCode-Klasse:<\/span><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">1. Wir erstellen Variablen, um die URL der Google Chart-API und Daten zu speichern, die zum Erstellen des QR-Codes verwendet werden.<\/span><\/span><\/p>\n<pre class=\"brush: actionscript3; gutter: true\">class QrCode { \/\/URL DER GOOGLE CHART API private $apiUrl = &#039;https:\/\/chart.apis.google.com\/chart&#039;; \/\/ DATEN ZUM ERSTELLEN DES QR-CODES private $data; }<\/pre>\n<h3><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">SCHRITT 3: Definieren Sie Funktionen zum Generieren von QR-Code verschiedener Typen in der QrCode-Klasse:<\/span><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Daf\u00fcr stehen uns folgende Typen und Funktionen zur Verf\u00fcgung, mit denen wir den QR-Code generieren k\u00f6nnen:<\/span><\/span><\/p>\n<p><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">1.URL<\/span><\/span><\/strong><\/p>\n<pre class=\"brush: actionscript3; gutter: true\">\/\/ Funktion, die zum Generieren des URL-Typs des QR-Codes verwendet wird. \u00f6ffentliche Funktion URL($url = null) { $this-&gt;data = preg_match(&quot;#^https?\\:\\\/\\\/#&quot;, $url) ? $url: \u201ehttps:\/\/{$url}\u201c; }<\/pre>\n<p><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">2.Text<\/span><\/span><\/strong><\/p>\n<pre class=\"brush: actionscript3; gutter: true\">\/\/ Funktion, die zum Generieren des TEXT-Typs des QR-Codes verwendet wird. \u00f6ffentliche Funktion TEXT($text) { $this-&gt;data = $text; }<\/pre>\n<p><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3. E-MAIL<\/span><\/span><\/strong><\/p>\n<pre class=\"brush: actionscript3; gutter: true\">\/\/ Funktion, die zum Generieren des QR-Codes vom Typ EMAIL verwendet wird. \u00f6ffentliche Funktion EMAIL($email = null, $subject = null, $message = null) { $this-&gt;data = &quot;MATMSG:TO:{$email};SUB:{$subject};BODY:{$message}; ;&quot;; }<\/pre>\n<p><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">4. TELEFON<\/span><\/span><\/strong><\/p>\n<pre class=\"brush: actionscript3; gutter: true\">\/\/ Funktion, die zum Generieren des PHONE-Typs von QR-Code verwendet wird. \u00f6ffentliche Funktion PHONE($phone) { $this-&gt;data = &quot;TEL:{$phone}&quot;; }<\/pre>\n<p><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">5.SMS<\/span><\/span><\/strong><\/p>\n<pre class=\"brush: actionscript3; gutter: true\">\/\/ Funktion, die zum Generieren des SMS-Typs des QR-Codes verwendet wird. \u00f6ffentliche Funktion SMS($phone = null, $msg = null) { $this-&gt;data = &quot;SMSTO:{$phone}:{$msg}&quot;; }<\/pre>\n<p><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">6. KONTAKT<\/span><\/span><\/strong><\/p>\n<pre class=\"brush: actionscript3; gutter: true\">\/\/ Funktion, die zum Generieren des QR-Codes vom Typ CONTACT verwendet wird. \u00f6ffentliche Funktion CONTACT($name = null, $address = null, $phone = null, $email = null) { $this-&gt;data = &quot;MECARD:N:{$name};ADR:{$address};TEL: {$phone};EMAIL:{$email};;&quot;; }<\/pre>\n<h3><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">SCHRITT 4: Definieren Sie Funktionen zum Speichern des QR-Code-Bildes in der QrCode-Klasse:<\/span><\/span><\/h3>\n<pre class=\"brush: actionscript3; gutter: true\">\/\/Funktion, die zum Speichern der QRcode-Bilddatei verwendet wird. \u00f6ffentliche Funktion QRCODE($size = 400, $filename = null) { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $this-&gt;apiUrl); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, &quot;chs={$size}x{$size}&amp;cht=qr&amp;chl=&quot; .<\/pre>\n<h3><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">SCHRITT 5: Erstellen Sie eine neue Datei index.php.<\/span><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">1. In dieser Datei rufen wir die Funktion zum Generieren des QR-Codes verschiedener Typen auf, die wir in qrcode.php definiert haben.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">2. Um die zu generieren <\/span><\/span><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Text-QR-Code<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> Sie m\u00fcssen die TEXT-Funktion in Ihrer index.php-Datei aufrufen.<\/span><\/span><\/p>\n<pre class=\"brush: actionscript3; gutter: true\">&lt;?php \/\/ qrcode.php-Datei einschlie\u00dfen. \u201eqrcode.php\u201c einschlie\u00dfen; \/\/ Objekte erstellen $qc = new QRCODE(); \/\/ Textcode erstellen $qc-&gt;TEXT(&quot;Knowband&quot;); \/\/ QR-Code speichern $qc-&gt;QRCODE(400,&quot;Knowband_text.png&quot;); ?&gt;<\/pre>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3. Um den URL-QR-Code zu generieren, m\u00fcssen Sie die URL-Funktion in Ihrer index.php-Datei aufrufen.<\/span><\/span><\/p>\n<pre class=\"brush: actionscript3; gutter: true\">&lt;?php \/\/ qrcode.php-Datei einschlie\u00dfen. \u201eqrcode.php\u201c einschlie\u00dfen; \/\/ Objekte erstellen $qc = new QRCODE(); \/\/ URL-Code erstellen $qc-&gt;URL(&quot;Knowband.com&quot;); \/\/ QR-Code speichern $qc-&gt;QRCODE(400,&quot;Knowband_url.png&quot;); ?&gt;<\/pre>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">4. Um den EMAIL-QR-Code zu generieren, m\u00fcssen Sie die EMAIL-Funktion in Ihrer index.php-Datei aufrufen.<\/span><\/span><\/p>\n<pre class=\"brush: actionscript3; gutter: true\">&lt;?php \/\/ qrcode.php-Datei einschlie\u00dfen. \u201eqrcode.php\u201c einschlie\u00dfen; \/\/ Objekte erstellen $qc = new QRCODE(); \/\/ EMAIL-Code erstellen $qc-&gt;EMAIL(&quot;Knowband@test.com&quot;,&quot;Subject&quot;,&quot;Message&quot;); \/\/ QR-Code speichern $qc-&gt;QRCODE(400,&quot;Knowband_email.png&quot;); ?&gt;<\/pre>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">5. Um den PHONE-QR-Code zu generieren, m\u00fcssen Sie die PHONE-Funktion in Ihrer index.php-Datei aufrufen.<\/span><\/span><\/p>\n<pre class=\"brush: actionscript3; gutter: true\">&lt;?php \/\/ qrcode.php-Datei einschlie\u00dfen. \u201eqrcode.php\u201c einschlie\u00dfen; \/\/ Objekte erstellen $qc = new QRCODE(); \/\/ PHONE-Code erstellen $qc-&gt;PHONE(&quot;1234567890&quot;); \/\/ QR-Code speichern $qc-&gt;QRCODE(400,&quot;Knowband_phone.png&quot;); ?&gt;<\/pre>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">6. Um den SMS-QR-Code zu generieren, m\u00fcssen Sie die SMS-Funktion in Ihrer index.php-Datei aufrufen.<\/span><\/span><\/p>\n<pre class=\"brush: actionscript3; gutter: true\">&lt;?php \/\/ qrcode.php-Datei einschlie\u00dfen. \u201eqrcode.php\u201c einschlie\u00dfen; \/\/ Objekte erstellen $qc = new QRCODE(); \/\/ SMS-Code erstellen $qc-&gt;SMS(&quot;1234567890&quot;); \/\/ QR-Code speichern $qc-&gt;QRCODE(400,&quot;Knowband_sms.png&quot;); ?&gt;<\/pre>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">7. Um den CONTACT-QR-Code zu generieren, m\u00fcssen Sie die CONTACT-Funktion in Ihrer index.php-Datei aufrufen.<\/span><\/span><\/p>\n<pre class=\"brush: actionscript3; gutter: true\">&lt;?php \/\/ qrcode.php-Datei einschlie\u00dfen. \u201eqrcode.php\u201c einschlie\u00dfen; \/\/ Objekte erstellen $qc = new QRCODE(); \/\/ KONTAKT-Code erstellen $qc-&gt;CONTACT(&quot;knowband&quot;,&quot;Address&quot;,&quot;1234567890&quot;,&quot;knowband@test.com&quot;); \/\/ QR-Code speichern $qc-&gt;QRCODE(400,&quot;Knowband_contact.png&quot;); ?&gt;<\/pre>\n<h3><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">SCHRITT 6: F\u00fchren Sie die Skriptdatei (index.php) in Ihrer Umgebung aus:<\/span><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Wenn alles gut geht, hei\u00dft die Datei \u201eknowband_text.png\u201c und andere Dateien, die Sie herunterladen und auf Ihrem Computer speichern m\u00f6chten.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">HINWEIS: Sie k\u00f6nnen jeweils nur einen Typ von QR-Code generieren.<\/span><\/span><\/p>\n<p><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2019\/11\/Downloads.zip\" target=\"_blank\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Hier geht es weiter.<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> um den vollst\u00e4ndigen Code herunterzuladen.<\/span><\/span><\/p>\n<p><span style=\"font-weight: 400;\">Mit mehr als 13 Jahren Erfahrung in der Informationstechnologie bieten wir Web- und App-Entwicklungstechnologien auf verschiedenen Frameworks an. Sie k\u00f6nnen auch eine gro\u00dfe Auswahl an gebrauchsfertigen E-Commerce-Erweiterungen f\u00fcr Prestashop, Opencart, WooCommerce, Shopify und Magento 2 erkunden.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Wenn Sie Fragen\/Anregungen haben, k\u00f6nnen Sie sich unter unserer E-Mail-Adresse an unser technisches Support-Portal wenden <\/span><a href=\"mailto:support@knowband.com\"><span style=\"font-weight: 400;\">support@knowband.com<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p>Schauen Sie sich unser Bestseller-Modul an <a href=\"https:\/\/www.knowband.com\/prestashop-one-click-checkout\">One Page Supercheckout f\u00fcr Prestashop<\/a> <span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Opencart Android and iOS Mobile App Builder Plugin&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:513,&quot;3&quot;:{&quot;1&quot;:0},&quot;12&quot;:0}\">war<\/span>hier:<\/p>\n<div class=\"module_in_content_container\">\n<div class=\"module_content\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"module_image\" src=\"https:\/\/www.knowband.com\/image\/cache\/data\/Plugin%20Logo\/one-page-checkout-740x740.png\" alt=\"Knowband - Prestashop One Page Checkout Addon\" width=\"100\" height=\"100\" \/><\/p>\n<div class=\"module_content_part\">\n<h3 class=\"title\">Prestashop One Page Checkout Add-on<\/h3>\n<p class=\"module_content_text\">Der Prestashop One Page Checkout von Knowband vereinfacht den Checkout-Prozess, verbessert das Benutzererlebnis und steigert die Conversions f\u00fcr Ihren Online-Shop.<\/p>\n<p><a class=\"link_2_to_module\" style=\"display: inline-block; color: #f36!important;\" href=\"https:\/\/www.knowband.com\/prestashop-one-page-supercheckout\" target=\"_blank\" rel=\"noopener\"><span class=\"read-more\">Besuche hier<\/span><\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<style>\n.module_in_content_container { display: flex; flex-direction: column; padding: 20px; border: 1px solid #ccc; font-size: 16px; line-height: 26px; box-shadow: 0 3px 0 #ebebeb; -webkit-box-shadow: 0 3px 0 #ebebeb; position: relative; margin-bottom: 1.5em; } .module_in_content_container>a { position: absolute; left: 0; top: 0; width: 100%; height: 100%; } .module_content { display: flex; align-items: flex-start; } .module_content img { max-width: 100px; margin-right: 20px; } .module_content_part p.module_content_text { margin-bottom: 10px; margin-top: 0; font-size: 18px; color: #000; } .module_content h3 { font-size: 24px; font-weight: 700; line-height: 1.5em; padding-left: 0; padding-top: 0; margin: 0; } .read-more { font-size: 18px; font-weight: 700; line-height: 1.5em; position: relative; display: inline-block; text-transform: uppercase; color: #f36; } .read-more:after { position: absolute; content: ''; width: 1.5em; height: 1.5em; top: -1px; right: -1.5em; background: url(https:\/\/knowband.com\/mobile-app\/wp-content\/uploads\/images\/readmore-arrow.svg) no-repeat center \/ .75em; transition: all .2s; } .read-more:focus, .read-more:hover { text-decoration: none; cursor: pointer; } .read-more:hover:after { right: -2em; transition: all .2s; } @media (max-width: 600px) { .module_content { flex-direction: column; align-items: center; text-align: center; } .module_content img { margin: 0 auto 20px auto; max-width: 100%; } .module_content .title { flex-basis: auto; margin-top: 20px; } .module_content_part p.module_content_text { font-size: 16px; line-height: 24px; } .read-more { font-size: 16px;}}<\/style>\n<p><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1yLcXToR6-g\" width=\"660\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>QR-Code ist eine Art zweidimensionaler Barcode, der abgek\u00fcrzt wird Quick Response-Code . Es handelt sich um ein optisches Etikett, das Informationen \u00fcber den Artikel enth\u00e4lt. Es wird einfach am Artikel befestigt. Es enth\u00e4lt schwarze Quadrate, die in einem Quadratgitter mit wei\u00dfem Hintergrund angeordnet sind. In diesem Blog erfahren wir Schritt f\u00fcr Schritt, wie man QR-Code [&hellip;]<\/p>\n","protected":false},"author":29,"featured_media":823209,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kbui_enabled":"","footnotes":""},"categories":[4,2338],"tags":[34170,18510,7509,18509,18511,28212],"class_list":["post-322375","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ecommerce-blog","category-tipps","tag-einseitiger-supercheckout-fr-prestashop","tag-generieren-sie-qr-code-mit-php","tag-php","tag-qr-code-generierung","tag-tipps-zum-generieren-von-qr-code","tag-tipps-zum-generieren-von-qr-codes"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Generate QR Code Using PHP - Knowband Blog | Ecommerce Modules<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.knowband.com\/blog\/de\/ecommerce-blog\/qr-code-mit-php-generieren\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Generate QR Code Using PHP - Knowband Blog | Ecommerce Modules\" \/>\n<meta property=\"og:description\" content=\"QR-Code ist eine Art zweidimensionaler Barcode, der abgek\u00fcrzt wird Quick Response-Code . 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