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Bug #32923 Try and catch strange behaviour
Submitted: 2005-05-03 11:34 UTC Modified: 2005-05-13 01:00 UTC
Votes:2
Avg. Score:3.0 ± 0.0
Reproduced:0 of 1 (0.0%)
From: m dot cappelleri at xaos dot it Assigned:
Status: No Feedback Package: Scripting Engine problem
PHP Version: 5.0.4 OS: Debian
Private report: No CVE-ID: None
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From: m dot cappelleri at xaos dot it
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 [2005-05-03 11:34 UTC] m dot cappelleri at xaos dot it 
Description:
------------
In a try and catch syntax,
when an Exception is thrown a variable strangely disappears.

Reproduce code:
---------------
		$this->_images = array();
		
		while ($r = $q->fetchRow()){
			
			
			try {
				$tmp = NULL;
				echo "Adding element ... <br/>";
				$tmp = Attachment::Attachment($r['attachment_id'], $r['type_id']);
				if (!isNull($tmp)) {
					$this->_images[] = $tmp;
				}
			} catch (xException $e) {
				
				echo "<b>EX</b>";
				
			}
		}
		
		echo "<pre>Ora lo printo...";
		print_r($this->_images);
		echo "</pre>";

Expected result:
----------------
$this->_images SHOULD ALWAYS be an array, no matter when or if an exception is thrown.

Actual result:
--------------
In this case when the exception is thrown in the last cycle the print_r gives a null result.

Even more strangely, $this->_images is still there and correctly populated when requested after that (from a different method).

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 [2005-05-03 11:37 UTC] m dot cappelleri at xaos dot it 
Sorry, the code example was already a workaround,
the code that generates the error is:


		$this->_images = array();
		
		while ($r = $q->fetchRow()){
			
			
			try {
				echo "Adding element ... <br/>";
				$this->_images[] = Attachment::Attachment($r['attachment_id'], $r['type_id']);
			} catch (xException $e) {
				
				echo "<b>EX</b>";
				
			}
		}
		
		echo "<pre>Ora lo printo...";
		print_r($this->_images);
		echo "</pre>";

Sorry about that.
 [2005-05-05 20:25 UTC] tony2001@php.net 
Thank you for this bug report. To properly diagnose the problem, we
need a short but complete example script to be able to reproduce
this bug ourselves. 

A proper reproducing script starts with <?php and ends with ?>,
is max. 10-20 lines long and does not require any external 
resources such as databases, etc.

If possible, make the script source available online and provide
an URL to it here. Try to avoid embedding huge scripts into the report.
 [2005-05-13 01:00 UTC] php-bugs at lists dot php dot net 
No feedback was provided for this bug for over a week, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".
 
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