#22120 [NEW]: GetImageSize seems confused on certain JPGs from certain hosts

[1413]

From:             [EMAIL PROTECTED]
Operating system: Linux 2.2.19 (Debian)
PHP version:      4.3.0
PHP Bug Type:     GetImageSize related
Bug description:  GetImageSize seems confused on certain JPGs from certain hosts

GetImageSize() seems confused on certain JPGs from freeservers.  The JPG is
valid (you can load it from your web-browser).

Script to reproduce:
<?

$res = GetImageSize("http://guildprime.8m.net/bug.jpg";);
if($res == FALSE)
{
  print("Erk! GetImageSize returned FALSE!");
} else {
  print_r($res);
}

print("<br><br>");

$res = GetImageSize("http://guildprime.8m.net/notbug.jpg";);
if($res == FALSE)
{
  print("Erk! GetImageSize returned FALSE!");
} else {
  print_r($res);
}

?>

The script SHOULD report:
Array ( [0] => 396 [1] => 178 [2] => 2 [3] => width="396" height="178"
[bits] => 8 [channels] => 3 ) 
Array ( [0] => 800 [1] => 600 [2] => 2 [3] => width="800" height="600"
[bits] => 8 [channels] => 3 ) 

And it does when I copy the file to my local Apache web server and change
the script to point there instead.  It also works on a second server I
have running PHP 4.1.2.

However, with the URL listed, under PHP 4.3.0, it reports:
Erk! GetImageSize returned FALSE!
Array ( [0] => 800 [1] => 600 [2] => 2 [3] => width="800" height="600"
[bits] => 8 [channels] => 3 [mime] => image/jpeg ) 

Configuration options:
./configure  --with-apxs --with-zlib --with-bz2 --with-gd=/usr
--enable-gd-native-ttf --with-mysql=/usr --enable-sockets --prefix=/usr
--with-ttf --enable-ftp

Troubleshooting steps already taken:
- I tried copying the image to my local web server, changed the script to
look there, and it works.
- Dozens of other JPGs on freeservers work as well.
- It seems this combination of server and image file is causing
GetImageSize() to fail.  When I point my web browser at the same URL, the
picture comes up. 
- I tried putting the picture into GIMP and resaving out - the re-saved
image also has the same problems.  (This file is bug2.jpg at the same
site.)
- Running 'identify -verbose' on the files shows perhaps the difference of
Resolution (notbug.jpg is 300x300 pixels/inch, as are most of the other
pictures, while bug.jpg and bug2.jpg are at72x72 pixels/inch) may be part
of what's triggering it.
- I have re-downloaded the source, re-compiled and re-installed with the
above options, with no change in results.
- Running the script from the command line has no change in results.

All-in-all, quite strange...

-- 
Edit bug report at http://bugs.php.net/?id=22120&edit=1
-- 
Try a CVS snapshot:         http://bugs.php.net/fix.php?id=22120&r=trysnapshot
Fixed in CVS:               http://bugs.php.net/fix.php?id=22120&r=fixedcvs
Fixed in release:           http://bugs.php.net/fix.php?id=22120&r=alreadyfixed
Need backtrace:             http://bugs.php.net/fix.php?id=22120&r=needtrace
Try newer version:          http://bugs.php.net/fix.php?id=22120&r=oldversion
Not developer issue:        http://bugs.php.net/fix.php?id=22120&r=support
Expected behavior:          http://bugs.php.net/fix.php?id=22120&r=notwrong
Not enough info:            http://bugs.php.net/fix.php?id=22120&r=notenoughinfo
Submitted twice:            http://bugs.php.net/fix.php?id=22120&r=submittedtwice
register_globals:           http://bugs.php.net/fix.php?id=22120&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=22120&r=php3
Daylight Savings:           http://bugs.php.net/fix.php?id=22120&r=dst
IIS Stability:              http://bugs.php.net/fix.php?id=22120&r=isapi
Install GNU Sed:            http://bugs.php.net/fix.php?id=22120&r=gnused