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Bug #19487 ImageCreateFromGD2Part() don't accept some vars
Submitted: 2002-09-18 20:42 UTC Modified: 2002-09-19 20:29 UTC
From: sprice at wisc dot edu Assigned:
Status: Closed Package: GD related
PHP Version: 4.2.3 OS: Darwin 6 (Mac OS 10.2)
Private report: No CVE-ID: None
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 [2002-09-18 20:42 UTC] sprice at wisc dot edu 
When I was working on a different bug (http://bugs.php.net/bug.php?id=19418) I noticed that if I used this line:

$img = ImageCreateFromGD2Part( $medimg, 1, 1, 800, 600 );

The script workedfine , but if I put single quotes around some vars like this:

$img = ImageCreateFromGD2Part( $medimg, 1, 1, '800', '600' );

the httpd proccess was thrown into some loop that used 100% of CPU time.

While checking this out further, I noticed that these programs run the second that I requested the file (taken from top):

 9233 c++filt3     0.0%  0:00.00   1     9    14    48K   400K   268K  1.37M
 9232 crashdump   99.3%  0:02.12   2    15   404  25.2M  27.9M  33.2M  59.7M 

and then the httpd proccess goes wild:

 9235 httpd       56.9%  0:00.64   1     8  2179   576K+ 13.7M+ 2.65M+ 3.49G-
 
(next second)

 9235 httpd       99.1%  0:01.74   1     8  2179   600K+ 13.7M  2.67M+ 3.49G 
 
I am not much of a C hacker, so I really have no clue as to what is going on.

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 [2002-09-18 20:55 UTC] sprice at wisc dot edu 
Just FYI, I was having problems with some vars that I got from $HTTP_GET_VARS[]. I had to add a few lines to cast the vars as ints to get it to work.

example

$x = (int) $x;
$y = (int) $y;
$medimg = ImageCreateFromGD2Part( $medimg, $x, $y, 800, 600 );
 [2002-09-19 20:29 UTC] iliaa@php.net 
This bug has been fixed in CVS.

In case this was a PHP problem, snapshots of the sources are packaged
every three hours; this change will be in the next snapshot. You can
grab the snapshot at http://snaps.php.net/.
 
In case this was a documentation problem, the fix will show up soon at
http://www.php.net/manual/.

In case this was a PHP.net website problem, the change will show
up on the PHP.net site and on the mirror sites in short time.
 
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