PHP Grade::get_by_id Examples

Example #1

File: update_grade.php Project: NemOry/OnlineSubjectEvaluationSystem

if (!$session->is_logged_in()) {
    redirect_to("index.php");
}
$id = $_POST['id'];
$subject_id = $_POST['subject_id'];
$student_id = $_POST['student_id'];
$grades = $_POST['grade'];
$operator = $_POST['oper'];
if ($operator == 'add') {
    $rows = Grade::get_by_sql("SELECT * FROM " . T_STUDENT_GRADES . " WHERE " . C_GRADE_SUBJECT_ID . "=" . $subject_id . " AND " . C_GRADE_STUDENT_ID . "=" . $student_id);
    if (count($rows) > 0) {
        die("exists");
    }
    $grade = new Grade();
    $grade->grade = $grades;
    $grade->subject_id = $subject_id;
    $grade->student_id = $student_id;
    $grade->create();
} else {
    if ($operator == 'edit') {
        $grade = Grade::get_by_id($id);
        $grade->grade = $grades;
        $grade->subject_id = $subject_id;
        $grade->student_id = $student_id;
        $grade->update();
    } else {
        if ($operator == 'del') {
            Grade::get_by_id($id)->delete();
        }
    }
}