I will tell you steps how you can insert data in ajax using PHP
AJAX Code
PHP Code:
prepare("INSERT INTO
student(student_name,student_roll_no,student_class)
VALUES(:student_name, :student_roll_no,:student_class)");
$stmt->bindparam(':student_name', $student_name);
$stmt->bindparam(':student_roll_no', $student_roll_no);
$stmt->bindparam(':student_class', $student_class);
if($stmt->execute())
{
$res="Data Inserted Successfully:";
echo json_encode($res);
}
else {
$error="Not Inserted,Some Probelm occur.";
echo json_encode($error);
}
?>
You can customize it according to your needs. you can also check complete steps of AJAX Insert Data PHP