/**
  * Generate CC or BCC recipients from comma separated string
  *
  * @param string $strRecipients
  * @param array  $arrTokens
  *
  * @return array
  */
 public static function compileRecipients($strRecipients, $arrTokens)
 {
     // Replaces tokens first so that tokens can contain a list of recipients.
     $strRecipients = \Haste\Util\StringUtil::recursiveReplaceTokensAndTags($strRecipients, $arrTokens, static::NO_TAGS | static::NO_BREAKS);
     $arrRecipients = array();
     foreach ((array) trimsplit(',', $strRecipients) as $strAddress) {
         if ($strAddress != '') {
             list($strName, $strEmail) = \String::splitFriendlyEmail($strAddress);
             // Address could become empty through invalid insert tag
             if ($strAddress == '' || !\Validator::isEmail($strEmail)) {
                 continue;
             }
             $arrRecipients[] = $strAddress;
         }
     }
     return $arrRecipients;
 }