public function setEmail($string = '')
 {
     if ($this->isValidMail($string) == TRUE) {
         return parent::setVar($string, 'email', 'string');
     }
     // end if
 }
 public function setURLlang($string = '')
 {
     if (parent::isLanguage($string) == FALSE) {
         return FALSE;
     }
     // END IF
     return parent::setVar($string, 'url_lang', 'string');
 }
 public function setContentType($string = '')
 {
     if (in_array($string, $this->allowed_types) == TRUE) {
         return parent::setVar($string, 'type', 'string');
     }
     // end if
     return FALSE;
 }
 public function setID($string = '')
 {
     return parent::setVar($string, 'id', 'string');
 }
 public function setUpdated($datetime = '1970-01-01T00:00:00Z')
 {
     if (parent::isvalidDate($datetime) == TRUE) {
         return parent::setVar($datetime, 'updated', 'string');
     }
     // end if
     return FALSE;
 }
 public function setLabel($string = '')
 {
     return parent::setVar($string, 'label', 'string');
 }