Billder

Kode 

You should destroy the $img too...
So it would be :
$img = @imagecreatefromjpeg("http://www.mysite.com/my_image.jpg");

if ($img) {
 $img_height = imagesy($img);
 ImageDestroy($img);
}

echo "My height is " . $img_height;

Det er ikke det store problem selv at lave.

http://dk2.php.net/manual/da/function.imagesx.php
og tilsvarende for y-værdien:
http://dk2.php.net/manual/da/function.imagesy.php

Se evt. noterne:

Kode 

You should destroy the $img too...
So it would be :
$img = @imagecreatefromjpeg("http://www.mysite.com/my_image.jpg");

if ($img) {
 $img_height = imagesy($img);
 ImageDestroy($img);
}

echo "My height is " . $img_height;

[Redigeret d. 22/08-05 17:17:03 af Simon Jensen]

Kode 

while ($data =mysql_fetch_array($vis)) {
$bil =$data['img'];
echo imagesy($bil);

Kode 

while ($data =mysql_fetch_array($vis)) {
$img = @imagecreatefromjpeg($data['img']);

$hej =imagesx($img);
$hh =($hej / 2);
$hejh =imagesy($img);
$hhh =($hejh / 2);