ID:               31492
 User updated by:  csaba at alum dot mit dot edu
 Reported By:      csaba at alum dot mit dot edu
-Status:           Feedback
+Status:           Open
 Bug Type:         COM related
 Operating System: Win XP Pro
 PHP Version:      5.0.3
 New Comment:

This is now working pretty spiffy.
The reason that I've taken so long to come back is because of
http://bugs.php.net/bug.php?id=32109&edit=1
Until this bug was fixed, my Apache web server was useless.

Unfortunately, it is now experiencing random intermittent problems
(which is why I don't file a separate problem).  The behaviour that I
observe is that apache will report that it has to shut down (Apache
HTTP Server has encountered a problem and needs to close.  We are sorry
for the inconvenience.) and ask whether I want to submit a report to
Microsoft.  However, I don't actually observe a little red dot in the
icon with the feather in the bottom right of screen and as near as I
can tell apache doesn't die.

The point is that there is some difference between the Feb 19 version
and versions from the Feb 28 onwards that causes the nasty dialog to
appear on my screen.  The pages that I'm running are too big, and I
don't have a reliable test case for you at this point.

But anyway, I'm glad to see this bug worked out.  Thanks.


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

[2005-02-28 21:08:35] [EMAIL PROTECTED]

Please try using this CVS snapshot:

  http://snaps.php.net/php5-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php5-win32-latest.zip



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

[2005-01-11 17:50:53] csaba at alum dot mit dot edu

Done.  This time, I got as far as navigating to Google.com (there were
no additional title has changed lines).  Just as I was getting ready to
enter something to search for I got the dreaded error with locations
07c911629 and 006f0044
Clicking OK produced one more error alert with 07c911e58 and 00000000

I forgot to mention that the INI file that I used in both cases was the
5.0.3 ini-dist where the only thing I did with it was to uncomment the
first 4 COM entries.

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

[2005-01-11 16:19:05] [EMAIL PROTECTED]

Please try using this CVS snapshot:

  http://snaps.php.net/php5-STABLE-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php5.0-win32-latest.zip

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

[2005-01-11 16:12:30] csaba at alum dot mit dot edu

Description:
------------
If I run the code below (essentially lifted from
http://www.zend.com/php5/articles/php5-dotnet.php and
http://at2.php.net/manual/en/ref.com.php (superzouz entry from 11 Oct
2003)) then I get the started and com_event_sink lines printed and then
two identical title has changed lines:
title has changed: PHP: Hypertext Preprocessor

So far so good.
If I now go to the IE window and put google.com<enter> into the
location bar, and then have it search for something, I may or may not
get additional title has changed messages (sometimes the next one is
even the original php title bar.  Ie. when I navigate to Google.com,
the third title has changed line might still be PHP: Hypertext
Preprocessor.  But in any case, if I close the window, I will
definitely get an error dialog:

Title: php.exe - Application Error
Text: The instruction at "0x7c911629" referenced memory at
"0x00000000".  The memory could not be "written".

Click on OK to terminate the program
Click on CANCEL to debug the program

The actual first location varies, but it has always started with
"0x7c91  The second one is usually all 0s though occasionally it has
low numbers.  I have changed the message pump time, and sometimes it
seems like this affects how soon I might get an error, but I haven't
seen anything definitive yet.  The problem does not happen if I comment
out the com_event_sink line and the while loop.

I am on Win XP Pro SP2 using IE 6
My antivirus definitions are up to date and Norton Antivirus has found
a clean machine.

If there are other tests that I can do to facilitate tracking this
problem down, please let me know.

My php.ini file is in the same directory as php.exe (I do not have
Apache installed yet and I am running php.exe (from a directory outside
where php.exe lives) from a CMD box.

Possibly related to http://bugs.php.net/bug.php?id=31040&edit=2 ?

Sincerely,
Csaba Gabor from Vienna

Reproduce code:
---------------
<?php 
class IESink { 
   public $terminated = false; 
   public function TitleChange($text) { 
         echo("title has changed: $text \n"); 
         } 
    public function OnQuit() { 
        $this->terminated = true; 
        echo ("Quitting\n");
    } 
} 
$ie = new COM("InternetExplorer.Application"); 
$ie->Visible = true; 
$ie->Navigate("http://www.php.net/";); 
$sink = new IESink; 
print "started\n";
com_event_sink($ie, $sink, "DWebBrowserEvents2"); 
print "com_event_sink called\n";
while (!$sink->terminated) { 
    com_message_pump(1000); 
} 
print "finished!\n"; 
?>



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


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