<?php 
   defined('C5_EXECUTE') or die("Access Denied.");
   $content = $controller->getContent();
 
   // Obfuscate email addresses in href links
   $content = preg_replace_callback('/(<a[^>]*href=")(mailto:)([^"]+)/',create_function('$matches','return $matches[1] . "NOSPAM:" . strrev($matches[3]);'),$content);
   // Obfuscate email adresses in text
   // found athttps://pureform.wordpress.com/2008/01/04/matching-a-word-characters...
   $content = preg_replace_callback('/\b[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]+\b(?!([^<]+)?>)/i', create_function('$matches','return "<span style=\"unicode-bidi:bidi-override; direction: rtl;\" class=\"transparent-email-obfuscation-unreverse\">" . strrev($matches[0]) . "</span>";'),$content);
   print $content;
?>
<script>
// restore mailto: links
$("a[href^='NOSPAM:']").each(function(){
   var email = $(this).attr("href").substr(7);
   email = email.split("").reverse().join("");
   $(this).attr("href","mailto:" + email);         
}); 
 
// restore other email addresses
$(".transparent-email-obfuscation-unreverse").each(function() {
   $(this).replaceWith($(this).text().split("").reverse().join(""));
});
</script>