diff --git a/htdocs/core/lib/website.lib.php b/htdocs/core/lib/website.lib.php
index 20380e02aab..dbb4f494e51 100644
--- a/htdocs/core/lib/website.lib.php
+++ b/htdocs/core/lib/website.lib.php
@@ -734,6 +734,64 @@ function getStructuredData($type, $data = array())
 	return $ret;
 }
 
+/**
+ * Return HTML content to add as header card for an article, news or Blog Post or home page.
+ *
+ * @param	array	$params					Array of parameters
+ * @return  string							HTML content
+ */
+function getSocialNetworkHeaderCards($params = null)
+{
+	global $conf, $db, $hookmanager, $langs, $mysoc, $user, $website, $websitepage, $weblangs; // Very important. Required to have var available when running inluded containers.
+
+	$out = '';
+
+	if ($website->virtualhost) {
+		$pageurl = $websitepage->pageurl;
+		$title = $websitepage->title;
+		$image = $websitepage->image;
+		$companyname = $mysoc->name;
+		$description = $websitepage->description;
+
+		$pageurl = str_replace('__WEBSITE_KEY__', $website->ref, $pageurl);
+		$title = str_replace('__WEBSITE_KEY__', $website->ref, $title);
+		$image = '/medias'.(preg_match('/^\//', $image) ? '' : '/').str_replace('__WEBSITE_KEY__', $website->ref, $image);
+		$companyname = str_replace('__WEBSITE_KEY__', $website->ref, $companyname);
+		$description = str_replace('__WEBSITE_KEY__', $website->ref, $description);
+
+		$fullurl = $website->virtualhost.'/'.$websitepage->pageurl.'.php';
+		$hashtags = trim(join(' #', array_map('trim', explode(',', $websitepage->keywords))));
+
+		// Twitter
+		$out .= '<meta name="twitter:card" content="summary">'."\n";
+		if (!empty($params) && !empty($params['twitter_account'])) {
+			$out .= '<meta name="twitter:site" content="@'.$params['twitter_account'].'">'."\n";
+			$out .= '<meta name="twitter:creator" content="@'.$params['twitter_account'].'">'."\n";
+		}
+		$out .= '<meta name="twitter:title" content="'.$websitepage->title.'">'."\n";
+		if ($websitepage->description) {
+			$out .= '<meta name="twitter:description" content="'.$websitepage->description.'">'."\n";
+		}
+		if ($websitepage->image) {
+			$out .= '<meta name="twitter:image:src" content="'.$website->virtualhost.$image.'">'."\n";
+		}
+		//$out .= '<meta name="twitter:domain" content="'.getDomainFromURL($website->virtualhost, 1).'">';
+		/*
+		 $out .= '<meta name="twitter:app:name:iphone" content="">';
+		 $out .= '<meta name="twitter:app:name:ipad" content="">';
+		 $out .= '<meta name="twitter:app:name:googleplay" content="">';
+		 $out .= '<meta name="twitter:app:url:iphone" content="">';
+		 $out .= '<meta name="twitter:app:url:ipad" content="">';
+		 $out .= '<meta name="twitter:app:url:googleplay" content="">';
+		 $out .= '<meta name="twitter:app:id:iphone" content="">';
+		 $out .= '<meta name="twitter:app:id:ipad" content="">';
+		 $out .= '<meta name="twitter:app:id:googleplay" content="">';
+		 */
+	}
+
+	return $out;
+}
+
 /**
  * Return HTML content to add structured data for an article, news or Blog Post.
  *