Hey all,
I'm having a strange problem with objects that I'm hoping someone out there can
help me track down. I'll give a run down of the setup here, please note that
register_globals is off.
A page creates two objects.
$document - this is always a new object and uses the ob_ functions to control
the output. ob_start is called with a customer callback that writes the output
to a file based on $_SERVER variables.
$session - this is an object that gets serialized whenever a request finishes
and unserialized when the request begins.
Each object uses register_shutdown_function(array($this, "desconstructor")) to
set a hook to clean up after itself which works without problems.
The following is then set.
$document->session =& $session;
$session->document =& $document;
Everything works fine through out the page all properties of the session can be
accessed and set via $session->whatever or $document->session->whatever and vice
versa for the $document object.
The problem arises when the $document->deconstructor function is called. As
described above the ob_ callback fires and properly writes the captured output
to a file then calls ob_end_clean() to dump the buffer and returns nothing, then
right after the deconstructor function is called which does the following:
include("a header file.php");
include("the temp file from ob_");
include("a footer file.php");
unlink("the temp file from ob_");
Now this works beautifully, except that some of the object properties get
destoryed. For instance since the includes are called from
$document->deconstructor it makes sense that $this should reference the document
object and that $this->session should reference the session object, but the
following happens. In the file I have this:
$this is a <?=get_class($this)?><br>
$tihs->session is a <?get_class($this->session)?><br>
Which returns:
$this is a rj_document
$this->session is a
Now I thought that it might be because the session object is destroyed before
the document object fires its deconstructor call so when the objects are
associated I changed the document line to be:
$document->session = $session
But I get the same results.
Anyone have any insight?
Thanks,
Evan
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