Insert Data In Php

 -----------------------Insert data-------------------------
<?php
include("db.php");
error_reporting(0);

if(isset($_REQUEST['submit']))
{
  $name=$_REQUEST['name'];
  $fathername=$_REQUEST['fathername'];
  $mothername=$_REQUEST['mothername'];
  $cource=$_REQUEST['cource'];
  $email=$_REQUEST['email'];
  $password=$_REQUEST['password'];
  $phone=$_REQUEST['phone'];
  $img=$_FILES['img']['name'];
  $location="upload/".$img;
  copy($_FILES['img']['tmp_name'],$location);
  $dob=$_REQUEST['dob'];
  $gender=$_REQUEST['gender'];
  $address=$_REQUEST['address'];
  $query="insert into studentregister(`name`,`fathername`,`mothername`,`cource`,`img`,`email`,`password`,`phone`,`dob`,`gender`,`address`)
    values('$name','$fathername','$mothername','$cource','$img','$email','$password','$phone','$dob','$gender','$address')";
    $result = mysqli_query($conn,$query);

    if($result)
      {
        echo '<div class="alert alert-success">Form Submitted Successfully</div>';
        
      }
      else{
        echo '<div class="alert alert-danger">Error Something Went Erong</div>';
      }
 
}
?>