static function cleanTextArea($string, $cleanHtml = false)
 {
     $string = self::mb_trim($string);
     if (!self::vazio($string)) {
         if ($cleanHtml) {
             $string = Strings_UTF8::cleanTextHtml($string);
         }
         return self::compactaTexto($string);
         #$newString = $string;
         $newString = preg_replace('/[ ]*$/ms', '', $newString);
         $newString = preg_replace('/(<br \\/>|<br>)\\z/m', '', $newString);
         $newString = preg_replace('/[\\r\\t]/m', '', $newString);
         #/[\\n\\r\\t]/
         return $newString;
     }
     return null;
 }