5. Türchen - Was erwartet uns heute?

<?php
header('Content-Type: image/jpeg');
$image  = imagecreatefromjpeg ( 'bild1.jpg' );  $image2 = imagecreatefromjpeg ( 'bild2.jpg' );
$dot = imagecolorallocate ( $image, 255, 0, 0 );
$width=imagesx($image); $height=imagesy($image);
for($y=0;$y<$height;$y++)
   for($x=0;$x<$width;$x++)
   {
	  $farbe1=imagecolorsforindex ($image,imagecolorat($image,$x,$y));
	  $farbe2=imagecolorsforindex ($image2,imagecolorat($image2,$x,$y));
	  $diff1=abs($farbe1[red]-$farbe2[red]);$diff2=abs($farbe1[green]-$farbe2[green]); $diff3=abs($farbe1[blue]-$farbe2[blue]);
	  if($diff1>25||$diff2>25||$diff3>25)	  imagesetpixel ( $image, $x, $y, $dot );   
   }
imagejpeg ( $image );
?>