silent html2text conversion

Author: maskas

Ip/Internal/Email/Module.php

@@ -186,7 +186,12 @@ function send()
                         $mail->IsHTML(true); // send as HTML
 
                         $mail->MsgHTML($email['email']);
-                        $mail->AltBody = \Ip\Internal\Text\Html2Text::convert($email['email']);
+                        try {
+                            $altBody = \Ip\Internal\Text\Html2Text::convert($email['email']);
+                        } catch (\Ip\Internal\Text\Html2TextException $e) {
+                            $altBody = $email['email'];
+                        }
+                        $mail->AltBody = $altBody;
                     } else {
                         /*$h2t = new \Ip\Internal\Text\Html2Text($content, false);
                          $mail->Body  =  $h2t->get_text();*/

Ip/Internal/Text/Html2Text.php

@@ -47,11 +47,18 @@ class Html2Text
      */
     public static function convert($html)
     {
+        if ($html == '') {
+            return '';
+        }
         $html = self::fix_newlines($html);
 
         $doc = new \DOMDocument();
-        if (!$doc->loadHTML($html))
+        $prevValue = libxml_use_internal_errors(true);
+        $loaded = $doc->loadHTML($html);
+        libxml_use_internal_errors($prevValue);
+        if (!$loaded) {
             throw new Html2TextException("Could not load HTML - badly formed?", $html);
+        }
 
         $output = self::iterate_over_node($doc);