<?php
$image_height = 100;
$image_width = 300;

$image = imagecreate($image_width, $image_height);

$back_color = imagecolorallocate($image, 200, 200, 200);

header('Content-Type: image/jpeg');
imagejpeg($image);

imagedestroy($image);

?>


mi dà errore....perchè?
dove ho errato?

Grazie
Stefano