public static function GetSubString($string, $maxCharlength = "") { if (!$maxCharlength) { if (Common::isMobile()) { $maxCharlength = Constants::$maxCharcterToDisplayDefaultForMobile; } else { $maxCharlength = Constants::$maxCharcterToDisplayDefault; } } if (isset($string) && strlen($string) > $maxCharlength) { $string = substr($string, 0, $maxCharlength) . "..."; } return $string; }