#28863 [Opn]: Weird Bug with imagepng (including special chars)

[jsgoupil at lookstrike dot com]

 ID:               28863
 User updated by:  jsgoupil at lookstrike dot com
 Reported By:      jsgoupil at lookstrike dot com
 Status:           Open
 Bug Type:         GD related
 Operating System: WinXP
 PHP Version:      5.0.0RC3
 New Comment:

the reproduce code... supposed to be the same test file... so Open
"test1.php"... and include("test1.php");

:)


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

[2004-06-21 08:53:01] jsgoupil at lookstrike dot com

Description:
------------
You will say that i'm really weird to do that, but i don't know how
that happen :

I check into one file, i found the following chars :
chr(239) + chr(187) + chr(191)
Keep the order ! it's important !
(I found that in one of my file, but dont ask me why !)

If you try to include this kind of file before doing a PNG image, you
will get a WRONG png format. (Starting with "?PNG"...)

The chars above can't be read under Notepad, neither under IE (perhaps
because i'm under WinXP). It can't be deleted from NotePad (if you
clear the file completly, the file will still have 3bytes undeletable)
but you can delete it with wordpad...

I search really a lot of time to found that problem... because I was
including a file that had that kind of chars...

Reproduce code:
---------------
VBScript to put chr into file

Open "test1.php" For Output As #1
Print #1, Chr(239) + Chr(187) + Chr(191)
Close #1


PHP Script :
<?php
include("test3.php");
$im = imagecreate(1024, 1024)
or die("Can't Initialize the GD Libraty");
imagecolorallocate($im,255,255,255);
imagepng($im);
?>

Expected result:
----------------
Supposed return some chars in IE and after the PNG format like : "�PNG
".....

Because normally, if you do a
echo "a";
imagepng($im);
You will receive the "a" and after the PNG format in text.

Actual result:
--------------
Under WinXP I receive directly the wrong PNG format... like : "?PNG 
IHDR
E&#1273;?PLTE?&#283;&#512;?IDATx?&#53313;
?
[EMAIL PROTECTED]&#61828;
?!&#1190;IEND?B`?"

(Without ")


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Edit this bug report at http://bugs.php.net/?id=28863&edit=1