}
$preview_flag = 1;
// solo lectura de la tarea
$pk_id_student = 0;
$data = array();
if ($_GET['ACTION'] == 'EDIT' && isset($_GET['pk_id_matter_task'])) {
    $pk_id_matter_task = $_GET['pk_id_matter_task'];
    $matter = new MatterTask($registry[$nameDataBase]);
    $datax = $matter->getListMatterTask($pk_id_matter_task);
    if (count($datax) > 0) {
        $data = $datax[0];
    }
}
$studentCourse = new AssignStudentCourseHard($registry[$nameDataBase]);
$data_shc = array($_GET['PK_ID_COURSE_HARD'], $_SESSION['pk_id_student']);
$fk_id_assign_student_course_hd = $studentCourse->getIdStudentCourseHard($data_shc);
?>

<form id="course_data_form" method="POST" action="?page=course/take_care_admin&ACTION=<?php 
echo $action;
?>
&PK_ID_COURSE_HARD=<?php 
echo $_GET['PK_ID_COURSE_HARD'];
?>
&pk_id_matter_task=<?php 
echo $_GET['pk_id_matter_task'];
?>
&fk_id_assign_student_course_hd=<?php 
echo $fk_id_assign_student_course_hd;
?>
" enctype="multipart/form-data" >