Fixes #7860. Shown Text is only splitted if it is a email address.

extension/Classes/Core/Report/Report.php

@@ -24,7 +24,6 @@
 namespace IMATHUZH\Qfq\Core\Report;
 
 use IMATHUZH\Qfq\Core\Database\Database;
- 
 use IMATHUZH\Qfq\Core\Evaluate;
 use IMATHUZH\Qfq\Core\Helper\HelperFile;
 use IMATHUZH\Qfq\Core\Helper\KeyValueStringParser;
@@ -1037,19 +1036,31 @@ class Report {
                         break;
                     }
 
-                    $t1 = explode("@", $mailConfig[0], 2);
-                    $content .= "<script language=javascript><!--" . chr(10);
                     if (empty($mailConfig[1])) {
-                        $mailConfig[1] = $mailConfig[0];
+                        $mailConfig[1] = $mailConfig[0]; // Copy to text shown
+                    }
+
+                    $content .= "<script language=javascript><!--" . chr(10);
+
+                    $toEmail = explode("@", $mailConfig[0], 2);
+                    // Broken data - do not stop, might come from a single database record.
+                    if (count($toEmail) < 2) {
+                        $toEmail[1] = 'broken.email.address';
                     }
+                    $content .= 'var email = "' . $toEmail[0] . '"' . chr(10);
+                    $content .= 'var emailHost = "' . $toEmail[1] . '"' . chr(10);
 
-                    $content .= 'var contact = "' . substr($mailConfig[1], 0, 2) . '"' . chr(10);
-                    $content .= 'var contact1 = "' . substr($mailConfig[1], 2) . '"' . chr(10);
-                    $content .= 'var email = "' . $t1[0] . '"' . chr(10);
-                    $content .= 'var emailHost = "' . $t1[1] . '"' . chr(10);
+                    $toName = explode("@", $mailConfig[1], 2);
 
+                    $secondPart = '';
+                    if (count($toName) > 1) {
+                        $toName[0] .= "@";
+                        $content .= 'var contactHost = "' . $toName[1] . '"' . chr(10);
+                        $secondPart = "<span>\" + contactHost + \"</span>";
+                    }
+                    $content .= 'var contact = "' . $toName[0] . '"' . chr(10);
                     $content .= 'document.write("<a href=" + "mail" + "to:" + email + "@" + emailHost+ "><span>" + contact
-                    + "</span><span>" + contact1 + "</span></a>")' . chr(10);
+                    + "</span>' . $secondPart . '</a>")' . chr(10);
                     $content .= '//--></script>';
                     break;