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1 12th July 02:19
php-bugs
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Posts: 1
Default #40593 : imagecreatefrompng memory using


From: alebec at sita dot fr
Operating system: WIN2000
PHP version: 5.2.1
PHP Bug Type: Performance problem
Bug description: imagecreatefrompng memory using

Description:
------------
Hello, i just update PHP from V4.4.? to V5.2.1 on W2000 iis .

I use GD2 to convert png image file,
since PHP5, i need to set memory_limit=50M to load a png file with
imagecreatefrompng .
With php4 there is no pb with memory_limit=20M

My png file is http://www.fairtec.fr/bug.png

Any explication ?

Reproduce code:
---------------
<?PHP
// error
ini_set( "memory_limit", "20M" );
$image=imagecreatefrompng ("bug.png");
?>

<?PHP
// ok
ini_set( "memory_limit", "50M" );
$image=imagecreatefrompng ("bug.png");
?>


--
Edit bug report at http://bugs.php.net/?id=40593&edit=1
--
Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=40593&r=trysnapshot44
Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=40593&r=trysnapshot52
Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=40593&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=40593&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=40593&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=40593&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=40593&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=40593&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=40593&r=support
Expected behavior: http://bugs.php.net/fix.php?id=40593&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=40593&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=40593&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=40593&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=40593&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=40593&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=40593&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=40593&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=40593&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=40593&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=40593&r=mysqlcfg
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2 12th July 02:19
External User
 
Posts: 1
Default #40593 : imagecreatefrompng memory using


ID: 40593
Updated by: tony2001@php.net
Reported By: alebec at sita dot fr
-Status: Open
+Status: Bogus
Bug Type: Performance problem
Operating System: WIN2000
PHP Version: 5.2.1
New Comment:

GD library converts all images into the internal format.
Yes, this format is quite memory consuming.
But that's something not PHP related.


Previous Comments:
------------------------------------------------------------------------

[2007-02-22 16:05:23] alebec at sita dot fr

Description:
------------
Hello, i just update PHP from V4.4.? to V5.2.1 on W2000 iis .

I use GD2 to convert png image file,
since PHP5, i need to set memory_limit=50M to load a png file with
imagecreatefrompng .
With php4 there is no pb with memory_limit=20M

My png file is http://www.fairtec.fr/bug.png

Any explication ?

Reproduce code:
---------------
<?PHP
// error
ini_set( "memory_limit", "20M" );
$image=imagecreatefrompng ("bug.png");
?>

<?PHP
// ok
ini_set( "memory_limit", "50M" );
$image=imagecreatefrompng ("bug.png");
?>

------------------------------------------------------------------------


--
Edit this bug report at http://bugs.php.net/?id=40593&edit=1
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