how to upload display image using session in php

Question

sir how to display image using session my code is not working the database connectivity is okey its in php i don't know whats the problem here is my code.

 

login.php

 

$_SESSION["profile-pic"]=$res[17];

header("Content-type: image/jpeg");

redirect_to('profile.php');

 

and the code of user profile is:

 

<div class="follow-ava">

<img alt="picture" src="<?php echo $_SESSION['profile-pic'];?> ">

</div>

 

the output of this code is in binary image is save in database in long blob format.