Why the following error is generating ? : I am writing PHP code in Netbeans. Program is generating the correct output but the  following notice is generating on the browser.

Notice:
           Notice: Undefined index: name in C:\xampp\htdocs\PhpProject3\index.php
                   on line 2
           Notice: Undefined index: name in C:\xampp\htdocs\PhpProject3\index.php
                   on line 3
           Notice: Undefined index: name in C:\xampp\htdocs\PhpProject3\index.php
                   on line 4
           Notice: Undefined index: name in C:\xampp\htdocs\PhpProject3\index.php
                   on line 5

Here is my code:

           <?php
           echo $name=$_FILES['name']['name'].'<br>';
           echo $size=$_FILES['name']['size'].'<br>'; 
           echo $type=$_FILES['name']['type'].'<br>';
           echo $tmp_name=$_FILES['name']['tmp_name'];
           ?>



          <form action="index.php" method="POST" enctype="multipart/form-data">
          <input type="file" name="name"><br/><br/>
          <input type="submit" value="Submit">
          </form>

[![Screen shot of the output][1]][1]



           


  [1]: https://i.stack.imgur.com/C8vzC.jpg