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 [url]http://www.fairtec.fr/bug.png[/url]

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