PHP水印制作

<?php
//制造水印
header ("Content-type:image/jpeg");
$arr = imagecreatefromjpeg('2.jpg');
$src = imagecreatefromjpeg('1.jpg');
//创建画布
$back = imagecreatetruecolor(610,1140);
imagecopyresampled($arr,$arr,10,10,100,200,100,100,100,100);
imagejpeg($arr);
imagedestroy($src);
imagedestroy($arr);
?>