1. ';
   
   /**
    * Disallow these attributes/prefix within a tag
    */
   $stripAttrib = 'javascript:|onclick|ondblclick|onmousedown|onmouseup|onmouseover|onmousemove|onmouseout|onkeypress|onkeydown|onkeyup|style|class';
   
   /**
    * @return string
    * @param string
    * @desc Strip forbidden tags and delegate tag-source check to removeEvilAttributes()
    */
   function removeEvilTags($source)
   {
       global $allowedTags;
   
       $source = preg_replace('/(.*)<\/head>/sm', '', $source);
   
       $source = strip_tags($source, $allowedTags);
       $source = preg_replace('/<(.*?)>/ie', "'<'.removeEvilAttributes('\\1').'>'", $source);
   
       $source = preg_replace('//i', '', $source);
       $source = preg_replace('/<\/b>/i', '', $source);
       $source = preg_replace('//i', '', $source);
       $source = preg_replace('/<\/i>/i', '', $source);
   
       $source = preg_replace('/^\s*$/', '', $source);
       $source = preg_replace('/\n\n+/', "\n\n", $source);
       $source = preg_replace('/^\n/', '', $source);
   
       return $source;
   }
   
   /**
    * @return string
    * @param string
    * @desc Strip forbidden attributes from a tag
    */
   function removeEvilAttributes($tagSource)
   {
       global $stripAttrib;
       return trim(preg_replace("/($stripAttrib)=(\"|')?([^\"]+)(\"|')?/", '', stripslashes($tagSource)));
   }
   
   print removeEvilTags($text);
   
   ?>