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Bug #40373 calling "print()" on an ArrayObject fails silently.
Submitted: 2007-02-06 16:23 UTC Modified: 2007-02-07 08:25 UTC
From: james at thundermonkey dot net Assigned:
Status: Not a bug Package: SPL related
PHP Version: 5.2.0 OS: WinXP SP2
Private report: No CVE-ID: None
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From: james at thundermonkey dot net
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 [2007-02-06 16:23 UTC] james at thundermonkey dot net 
Description:
------------
When attempting to "print()" an ArrayObject (rather than "print_r()") no ouput is returned, no errors are displayed and the script aborts silently.

Reproduce code:
---------------
<?php
$x = new ArrayObject(array('a', 'b'));
print $x;
print "Reached this point!";
exit();

/* in php.ini: error_reporting  =  E_ALL | E_STRICT */
?>

Expected result:
----------------
*Some kind of error message saying that the ArrayObject couldn't be converted to a string followed by:*

Reached this point!

Actual result:
--------------
(no output at all)

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 [2007-02-06 17:27 UTC] tony2001@php.net 
Catchable fatal error: Object of class ArrayObject could not be converted to string
 [2007-02-06 18:23 UTC] james at thundermonkey dot net 
Running the following code:

<?php
trigger_error("Triggered", E_RECOVERABLE_ERROR);
?>

results in:

Warning: Invalid error type specified in C:\dump\trigger.php on line 2

so E_RECOVERABLE_ERROR is not defined in this version?

PHP 5.2.0, build date: Nov 2 2006 11:50:55
 [2007-02-06 18:27 UTC] tony2001@php.net 
That's right, you cannot use it in userspace.
 [2007-02-06 19:16 UTC] james at thundermonkey dot net 
Ok, so back to the original code snippet - I'm confused why there are no error messages being displayed when it's executed. I don't get anything like "Object of class ArrayObject could not be converted to string", but it is what I'm expecting. It's just horrible blankness. Nothing in error log file either.

Also, it's not actually related to ArrayObject alone, but rather all objects, so the following also fails silently:

<?php
$x = new StdClass();
print $x;
print "OK"; // We don't get this far.
?>
 [2007-02-07 08:25 UTC] james at thundermonkey dot net 
Resolved.

Poking around in a convoluted VirtualHost block, I came across the following:

...
php_value error_reporting 2047
...

Obviously overriding anything in php.ini! Apologies for the bogus report.
 
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