watermark.php ve error.log

<?php

/*
 * This script places a watermark on a given jpeg, png or gif image.
 *
 * Use the script as follows in your HTML code:
 * <img src="watermark.php?image=image.jpg&watermark=watermark.png" />
 *
 * Visit http://www.htmlguard.com for more great scripts!
 */

  // loads a png, jpeg or gif image from the given file name
  function imagecreatefromfile($image_path) {
    // retrieve the type of the provided image file
    list($width, $height, $image_type) = getimagesize($image_path);

    // select the appropriate imagecreatefrom* function based on the determined
    // image type
    switch ($image_type)
    {
      case IMAGETYPE_GIF: return imagecreatefromgif($image_path); break;
      case IMAGETYPE_JPEG: return imagecreatefromjpeg($image_path); break;
      case IMAGETYPE_PNG: return imagecreatefrompng($image_path); break;
      default: return ''; break;
    }
  }

  // load source image to memory
  $image = imagecreatefromfile($_GET['image']);
  if (!$image) die('Unable to open image');

  // load watermark to memory
  $watermark = imagecreatefromfile($_GET['watermark']);
  if (!$image) die('Unable to open watermark');

  // calculate the position of the watermark in the output image (the
  // watermark shall be placed in the lower right corner)
  $watermark_pos_x = imagesx($image) - imagesx($watermark) - 8;
  $watermark_pos_y = imagesy($image) - imagesy($watermark) - 1;

  // merge the source image and the watermark
  imagecopy($image, $watermark,  $watermark_pos_x, $watermark_pos_y, 0, 0,
    imagesx($watermark), imagesy($watermark));

  // output watermarked image to browser
  header('Content-Type: image/jpeg');
  imagejpeg($image, '', 100);  // use best image quality (100)

  // remove the images from memory
  imagedestroy($image);
  imagedestroy($watermark);

?>

PHP Warning:  getimagesize(deneme/deneme1/185a0b9b737cd1fa44991b6c77a.jpg) [<a href='function.getimagesize'>function.getimagesize</a>]: failed to open stream: No such file or directory in /home/gamertest/public_html/watermark.php on line 15
PHP Warning:  getimagesize(3d2b5d33cd41c31bc23004ae11a.jpg) [<a href='function.getimagesize'>function.getimagesize</a>]: failed to open stream: No such file or directory in /home/gamertest/public_html/watermark.php on line 15
PHP Warning:  getimagesize(deneme/deneme1/185a0b9b737cd14a44991b6c77a.jpg) [<a href='function.getimagesize'>function.getimagesize</a>]: failed to open stream: No such file or directory in /home/gamertest/public_html/watermark.php on line 15