/**
  * This is construct base of the class.
  *
  * A public constructor; initializes the variable $instanceDataBase.
  *
  */
 public function __construct($instanceDataBase)
 {
     parent::__construct($instanceDataBase);
     AssignHolderFamily::setDataOperationBusiness($instanceDataBase);
     AssignHolderFamily::getBusiness();
     AssignHolderFamily::getDescriptionBusiness();
 }
<?php 
$action = 'LIST';
if (isset($_POST['ACTION'])) {
    $action = $_POST['ACTION'];
} else {
    if (isset($_GET['ACTION'])) {
        $action = $_GET['ACTION'];
    }
}
$user = new User($registry[$nameDataBase]);
$catalog = new Student($registry[$nameDataBase]);
$holder = new Holder($registry[$nameDataBase]);
$family = new Family($registry[$nameDataBase]);
$assHolderStudent = new AssignHolderStudent($registry[$nameDataBase]);
$assStudentFamily = new AssignStudentFamily($registry[$nameDataBase]);
$assHolderFamily = new AssignHolderFamily($registry[$nameDataBase]);
// Simplificar la ruta de propiedades
$v_label = $property["pages"]["course/student_admin"];
$v_label_list = $property["pages"]["general_list"];
// Simplificar el ruteo de edicion/visualizacion
$v_route_edit_preview = 'index.php?page=course/student';
// Simplificar el ruteo de insert
$v_route_insert = '?page=course/student';
// Simplificar el ruteo de lista
$v_route_list = 'index.php?page=course/student_admin';
switch ($action) {
    case 'INSERT':
        $transaction = new Transaction($registry[$nameDataBase]);
        Student::setDataOperationBusiness($registry[$nameDataBase]);
        $idTransaction = $transaction->insertTransaction(array(Student::$business, Student::$insert, Student::$descriptionBusiness));
        $query = null;