static public function keywords($value=null)
    {
        if ($value) {
            $value = StringHelper::str_cut(strip_tags($value), 100);
        }
        
        return static::input(trim($value));
    }
static public function keywords($value=null)
    {
        if ($value) {
            $value = StringHelper::str_cut(strip_tags($value), 100);
        }
        
        return static::input(trim($value));
    }
static public function keywords ( $ value = null ) { if ( $ value ) { $ value = StringHelper :: str_cut ( strip_tags ( $ value ) , 100 ) ; } return static :: input ( trim ( $ value ) ) ; }
keywords field input handle
@param  string $value
@return string
keywords field input handle