Select Checkbox Live Saving

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <link rel="stylesheet" href="css/style.css">


</head>
<body>


    <div class="maindiv">

        <div class="leftselect">

            <form name="submit" action="job.php" method="get">

                <input type="checkbox" name="job[]" value="IT_PROG"> I have a bike<br>
                <input type="checkbox" name="job[]" value="FI_ACCOUNT" > I have a car<br>
                <input type="checkbox" name="job[]" value="PU_CLERK"> I have a bike<br>
                <input type="checkbox" name="job[]" value="ST_MAN" > I have a car<br>


                <input type="submit" name="submit" value="Submit">

            </form>


        </div>
        <div class="maincontent">

        </div>


    </div>

</body>
</html>


<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <link rel="stylesheet" href="css/style.css">


</head>
<body>


<?php
/**
 * Created by PhpStorm.
 * User: apelmahmud
 * Date: 02/04/2017
 * Time: 3:24 PM
 */

//echo  $_GET['it'];

$serverName = 'localhost';
$dbName = 'abc';
$uName = 'root';
$pass = '';

/*$itProg = $_GET['it'];

echo  $itProg."</br>";*/


/*
for ($_GET['job'] as $key->$val){

    //echo
}*/

$jobArray =  $_GET['job']; /*Select checkbox */


foreach ($jobArray as  $key => $val) /* array convert*/
    $arr2[$key] = $val;


$in = join("','", $arr2); //join array

//echo $in."<br>";


$con =  new  mysqli($serverName,$uName,$pass,$dbName);

if($con->connect_error)
    die("connect fail".$con->connect_error);


$sql  = "SELECT * FROM employees where  job_id in('$in')";

$result = $con->query($sql);


print_r( $result->fetch_assoc());
echo "<br>";
print_r( $result->fetch_assoc());


echo  $result->num_rows;

echo "<table border='1px solid gray'>

        <tr>
        <th> Employees_id </th>
        <th>First Name </th>
        <th>Email </th>
        <th>Phone Number </th>
        <th>Job ID </th>
        <th>Salary </th>
        <th>Manager ID </th>
        <th>Department ID </th>
</tr>";

while ($row = $result->fetch_assoc()){


    echo "<tr>

      <td>".$row['EMPLOYEE_ID']."</td>
      <td>".$row['FIRST_NAME']."</td>
      <td>".$row['EMAIL']."</td>
      <td>".$row['PHONE_NUMBER']."</td>
      <td>".$row['JOB_ID']."</td>
      <td>".$row['SALARY']."</td>
      <td>".$row['MANAGER_ID']."</td>
      <td>".$row['DEPARTMENT_ID']."</td>


    </tr>";
}


echo "</table>";


$con->close();


?>

</body>
</html>