I have a problem figuring this out. How to implement cookie in processing uploaded picture name ?

I have 2 files :

index.php (where you can set your profile picture).

 <form action="setPicture.php" method="post" enctype="multipart/form-data" >
    Select image to upload:
    <input type="file" name="fileToUpload" id="fileToUpload">
    <input type="submit" value="Upload Image" name="submit">

setPicture.php

 if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)) {
        echo "The file ". basename( $_FILES["fileToUpload"]["name"]). " has been uploaded.";
    } else {
        echo "Sorry, there was an error uploading your file.";
    }

If a user upload's a profile picture it will be saved in data/img/admin , i must use that source to save it inside the cookie and then get redirected to the main page index.php with the profile picture is set .

Can someone helps me to understand the implementation ?

Here is the complete code of my work. https://jsfiddle.net/u5c4sz6u/1/

PHP cookie和'JS'cookie是一样的吗？

dongsonghen9931

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