Image to image merging in php

>>> Create folder called image/

This is my code
$imgStop = imagecreatefromjpeg("AAKX001003.jpg"); /* Attempt to open */

$imgThumb = imagecreatefromjpeg("AXR001600.jpg");

imagecopy($imgThumb,$imgStop,0,450,0,0,480,50);

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

imagejpeg($imgThumb);

$jothirajan_a= "IMAGE_".date('d').time().".jpg";

imagejpeg ($imgThumb,"image/".$jothirajan_a."");

imagedestroy($imgThumb);

?>