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Bug #33897 Incorrect error handling in case of method cals from inside of php engine
Submitted: 2005-07-28 10:32 UTC Modified: 2005-08-09 01:00 UTC
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:0 (0.0%)
From: kpisman at gmail dot com Assigned:
Status: No Feedback Package: Scripting Engine problem
PHP Version: 5.0.4 OS: FreeBSD 5.4-STABLE #1: Sat Jul
Private report: No CVE-ID: None
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 [2005-07-28 10:32 UTC] kpisman at gmail dot com
 When php code impliments standart interface (iterator in my case) and there is errors in methods called from inside of php engine (in my case key() ) i got error message with no usefull info: "Error on  line 0", so on. If i will call class->key() i got normal backtrace.

Expected result:
 I  expected to see the same results in both cases.


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 [2005-07-28 11:30 UTC]
Not enough information was provided for us to be able
to handle this bug. Please re-read the instructions at

If you can provide more information, feel free to add it
to this bug and change the status back to "Open".

Thank you for your interest in PHP.

 [2005-08-01 12:32 UTC] kpisman at gmail dot com
Sample code:
class bullshit implements iterator{
  function curent(){
  function next(){
  function current(){
    echo "current";
    throw new exception('bullshit');
  function key(){
  function rewind(){
  function valid(){
    return (true); 
  function __destruct(){
  echo "destructor";
$f=new bullshit;
  foreach($f as $thisF){
catch (exception $e){
  echo "catch !!!";

Run results:

php test-zend.php
Fatal error: Couldn't execute method bullshit::key in Unknown on line 0
(shell returned 255)


 So, it's clean that this appearance is incorrect. I think this is result of the same  bug in Zend engine, that troubles described in first comment. Also first trouble is exists to: error is appears in unknown module at line zero.
 [2005-08-01 12:36 UTC]
Please try using this CVS snapshot:
For Windows:

 [2005-08-01 12:40 UTC]
I can't reproduce it with both 5.0.x CVS and 5.1 CVS.
 [2005-08-09 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".
 [2005-09-28 22:17 UTC] marrone_mike at hotmail dot com
I am having this same problem. The iterator was working and the error seems to have popped up out of nowhere. I am using version 5.0.4.
My CollectionIterator class looks like this:

class CollectionIterator implements Iterator {

  private $_collection;
  private $_currIndex = 0;
  private $_keys;
  function __construct( Collection $objCol ) {
    $this->_collection = $objCol;
    $this->_keys = $this->_collection->getKeys();
  function rewind() {
    $this->_currIndex = 0;	
  function valid() {  
    return $this->_currIndex < 
  function key() {
    return $this->_keys[$this->_currIndex];	
  function current() {
    return $this->_collection->getItem( 
       $this->_keys[$this->_currIndex] );	
  function next() {

This is the error:
Fatal error: Couldn't execute method CollectionIterator::key in Unknown on line 0

The __construct(), rewind(), and current(), methods are all called without error leading up to the call of the key() method.
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