#37457 [NEW]: Crash when an exception is thrown in accept() method of FilterIterator

From: Date: Tue, 16 May 2006 08:00:55 +0000
Subject: #37457 [NEW]: Crash when an exception is thrown in accept() method of FilterIterator
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-97169@lists.php.net to get a copy of this message
From:             jaco at welnet dot nl
Operating system: CentOS 4.3
PHP version:      5.1.4
PHP Bug Type:     SPL related
Bug description:  Crash when an exception is thrown in accept() method of FilterIterator

Description:
------------
Filtering an object which implements Iterator produces the error below,
but an ArrayIterator works fine.





Reproduce code:
---------------
<?
class Collection implements Iterator {
	
	protected $array, $valid = false;
	
	public function __construct(array $a) { $this->array = $a; }
	
	public function current() { return current($this->array); }
	public function key() { return key($this->array); }
	public function next() { $this->valid = (false !== next($this->array));
}
	public function valid() { return $this->valid; }
	public function rewind() { $this->valid = (false !==
reset($this->array)); }
}

class TestFilter extends FilterIterator {
    public function accept() { throw new Exception("Me crash!"); }
}

$test = new TestFilter( new Collection(array(0)) );

foreach ($test as $item) {
	echo $item;
}
?>

Expected result:
----------------
Uncaught exception message.

Actual result:
--------------
From CLI:
Fatal error: Couldn't execute method Collection::next in Unknown on line
0.

As a httpd module it only prints garbage characters on screen.

-- 
Edit bug report at http://bugs.php.net/?id=37457&edit=1
-- 
Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=37457&r=trysnapshot44
Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=37457&r=trysnapshot52
Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=37457&r=trysnapshot60
Fixed in CVS:                 http://bugs.php.net/fix.php?id=37457&r=fixedcvs
Fixed in release:             http://bugs.php.net/fix.php?id=37457&r=alreadyfixed
Need backtrace:               http://bugs.php.net/fix.php?id=37457&r=needtrace
Need Reproduce Script:        http://bugs.php.net/fix.php?id=37457&r=needscript
Try newer version:            http://bugs.php.net/fix.php?id=37457&r=oldversion
Not developer issue:          http://bugs.php.net/fix.php?id=37457&r=support
Expected behavior:            http://bugs.php.net/fix.php?id=37457&r=notwrong
Not enough info:              http://bugs.php.net/fix.php?id=37457&r=notenoughinfo
Submitted twice:              http://bugs.php.net/fix.php?id=37457&r=submittedtwice
register_globals:             http://bugs.php.net/fix.php?id=37457&r=globals
PHP 3 support discontinued:   http://bugs.php.net/fix.php?id=37457&r=php3
Daylight Savings:             http://bugs.php.net/fix.php?id=37457&r=dst
IIS Stability:                http://bugs.php.net/fix.php?id=37457&r=isapi
Install GNU Sed:              http://bugs.php.net/fix.php?id=37457&r=gnused
Floating point limitations:   http://bugs.php.net/fix.php?id=37457&r=float
No Zend Extensions:           http://bugs.php.net/fix.php?id=37457&r=nozend
MySQL Configuration Error:    http://bugs.php.net/fix.php?id=37457&r=mysqlcfg


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