<?php

header('content-type: image/jpeg');

list($watermark_width, $watermark_height) = getimagesize('watermark.png');
$watermark = imagecreatetruecolor($watermark_width, $watermark_height);
imagealphablending($watermark, false);
imagesavealpha($watermark, true);
$watermark = imagecreatefrompng('watermark.png');

list($original_width, $original_height) = getimagesize('2007-03-01.png');
$image = imagecreatetruecolor($original_width, $original_height);
imagealphablending($image, false);
imagesavealpha($image, true);
$image = imagecreatefrompng('2007-03-01.png');

//$size = getimagesize('2007-03-01.png');
$dest_x = 0;//$size[0] - $watermark_width - 5;
$dest_y = 0;//$size[1] - $watermark_height - 5;

imagecopymerge($image, $watermark, $dest_x, $dest_y, 0, 0, $watermark_width, $watermark_height, 50);
imagepng($image);
imagedestroy($image);
imagedestroy($watermark);

?>