edit data using modal php

PHP
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset=UTF-8>
  <meta name=viewport content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">

  <link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin=anonymous>

  <script src=//code.jquery.com/jquery-3.3.1.slim.min.js integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin=anonymous></script>
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  <script src=//stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin=anonymous></script>

  <script
  src=//code.jquery.com/jquery-3.5.1.slim.js
  integrity="sha256-DrT5NfxfbHvMHux31Lkhxg42LY6of8TaYyK50jnxRnM="
  crossorigin=anonymous></script>
   
  <title>Document</title>
</head>
<body>
  <div >
   <div >
     <div ></div>
     <div >
      <table >
        <thead>
         <tr>
          <th>#</th>
          <th>Course Name</th>
          <th>Duration Hours</th>
          <th>Exam Date</th>
          <th>Action</th>
         </tr>
        </thead>
        <tbody>
    
         <tr>
          <th scope="row">1 </th>
          <td>Computer</td>
          <td>255 Hours</td>
          <td>25-04-2020 </td>
          <td><a href="javascript:;" data-toggle="modal" data-target="#addModal" data-id="1" data-name="Computer" data-duration="255" data-date="27-04-2020" > Edit</a></td>
         </tr>
         <tr>
          <th scope="row">2 </th>
          <td>Data Science</td>
          <td>300 Hours</td>
          <td>27-04-2020 </td>
          <td><a href="javascript:;" data-toggle="modal" data-target="#addModal" data-id="2" data-name="Data Science" data-date="27-04-2020" data-duration="300" > Edit</a></td>
         </tr>
         
        </tbody>
       </table>
     </div>
     <div ></div>
   </div>
  </div>




   
<script>
  $('.addAttr').click(function() {
  var id = $(this).data('id');   
  var name = $(this).data('name'); 
  var duration = $(this).data('duration');   
  var date = $(this).data('date');   

  $('#id').val(id); 
  $('#name').val(name); 
  $('#duration').val(duration); 
  $('#date').val(date); 
  } );
 </script>
 <div id="addModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
  <div role="document">
    <div >
     <div >
       <h5 id="exampleModalLabel">Modal Title </h5>
       <button type=button data-dismiss="modal" aria-label="Close">
       <span aria-hidden="true">×</span>
       </button>
     </div>
     <form action="" method="POST">
      
       <div >

        <div >
          <label for="exampleInputEmail1">Course Id</label>
          <input type=text id="id" name=id required>
        </div>
        <div >
          <label for="exampleInputEmail1">Enter Course Name</label>
          <input type=text id="name" name=name required>
        </div>
        <div >
          <label for="exampleInputEmail1">Enter Course Duration <small> (In hours)</small> </label>
          <input type=text id="duration" name=duration value="" required >
        </div>
        <div >
          <label for="exampleInputEmail1">Date </label>
          <input type=text id="date" name=date value="" required >
        </div>
       </div>
       <div >
        <button type=button data-dismiss="modal">Close</button>
        <button type=submit >Save changes</button>
       </div>
     </form>
    </div>
  </div>
 </div>
</body>
</html>
Source

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