title: Will not echo the new user welcome paragraph
body: <p>Please any suggestion or comments here:</p>
  
  <p>Login.php</p>
  
  <pre><code>&lt;td width="65%" align="left"&gt;
      &lt;input name="student_id" 
             type="text" 
             id="student_id" action="Student_Home.php" method="post"&gt;
  &lt;/td&gt;
  </code></pre>
  
  <p>Student_Home.php</p>
  
  <pre><code>&lt;p&gt;Welcome &lt;?php echo $_POST["student_id"];?&gt; &lt;/p&gt;
  </code></pre>
  
  <p>OUTPUT: </p>
  
  <blockquote>
    <p>Welcome Notice: Undefined index: student_id in
    C:\xampp\htdocs\a\Student_Home.php on line 44</p>
  </blockquote>
  
  <p>DESIRED OUTPUT: Welcome "student_id" !!! </p>