How do I display the image after I upload it?

        <!-- Start PHP Code For Image Upload -->
<?php
            //define a maxim size for the uploaded images in Kb
             define ("MAX_SIZE","5060");

            //This function reads the extension of the file. It is used to determine if the file is an image by checking the extension.
             function getExtension($str) {
                 $i = strrpos($str,".");
                 if (!$i) { return ""; }
                 $l = strlen($str) - $i;
                 $ext = substr($str,$i+1,$l);
                 return $ext;
             }
    
            //This variable is used as a flag. The value is initialized with 0 (meaning no error found) 
            //and it will be changed to 1 if an errro occures. 
            //If the error occures the file will not be uploaded.
             $errors=0;
            //checks if the form has been submitted
             if(isset($_POST['Submit']))
             {
                 //reads the name of the file the user submitted for uploading
                 $image=$_FILES['image']['name'];
                 //if it is not empty
                 if ($image)
                 {
                 //get the original name of the file from the clients machine
                     $filename = stripslashes($_FILES['image']['name']);
                 //get the extension of the file in a lower case format
                     $extension = getExtension($filename);
                     $extension = strtolower($extension);
                 //if it is not a known extension, we will suppose it is an error and will not upload the file, 
                //otherwise we will do more tests
             if (($extension != "jpg") && ($extension != "jpeg") && ($extension != "png") && ($extension != "gif"))
                     {
                    //print error message
                         echo '<h2>Unknown extension!</h2>';
                         $errors=1;
                     }
                     else
                     {
           //get the size of the image in bytes
             //$_FILES['image']['tmp_name'] is the temporary filename of the file
             //in which the uploaded file was stored on the server
             $size=filesize($_FILES['image']['tmp_name']);

            //compare the size with the maxim size we defined and print error if bigger
            if ($size > MAX_SIZE*1024)
            {
                echo '<h2>You have exceeded the file size limit! Please reduce the image size to 100 Kb or less!</h2>';
                $errors=1;
            }

            //we will give an unique name, for example the time in unix time format
            $image_name=$filename;
            //the new name will be containing the full path where will be stored (images folder)
            $newname="../images/".$image_name;
            //we verify if the image has been uploaded, and print error instead
            $copied = copy($_FILES['image']['tmp_name'], $newname);
            if (!$copied)
            {
                echo '<h2>Copy unsuccessful!</h2>';
                $errors=1;
            }}}}

            //If no errors registred, print the success message
             if(isset($_POST['Submit']) && !$errors)
             {
                 echo "<h2>File Uploaded Successfully!</h2><br /><h2>File Location: http://localhost/images/$image_name</h2>";
             }
?>
<!-- End PHP Code For Image Upload -->
        <!-- Start Image Upload Form -->
        <form name="newad" method="post" enctype="multipart/form-data" action="">
        <input type="file" name="image">&nbsp;<input name="Submit" type="submit" value="Upload image">    
        </form>
        <!-- End Image Upload Form -->