#37675 [NEW]: OOP -> Maximum function nesting error

From: Date: Fri, 02 Jun 2006 10:46:40 +0000
Subject: #37675 [NEW]: OOP -> Maximum function nesting error
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-97968@lists.php.net to get a copy of this message 
From:             thomas at ecommerce dot com
Operating system: SuSE Linux 10,0
PHP version:      5.1.4
PHP Bug Type:     Reproducible crash
Bug description:  OOP -> Maximum function nesting error

Description:
------------
PHP 5.1.4 seams like running an endless loop here with this code. When
running the bottom code, i get following error message:

Fatal error: Maximum function nesting level of '100' reached, aborting! in
/home/Thomas/test.php on line 11

Its not possibe, that this cause an endless loop. $this is setted, when
created with 'new', so checkthis() should only be called 2 times.

Reproduce code:
---------------
<?php

class Test1
{
    public $anyVar = "Setted";

    public static function checkThis($var = null)
    {
       if (!isset($this) || !isset($this->anyVar)) {
            $obj = new Test1();
            return $obj->checkThis($var);
        }

        echo "$var\n";
    }
}

$return = Test1::checkThis("Works!");

var_dump($return);

Expected result:
----------------
Output of script should be:

Works!
NULL

Actual result:
--------------
Fatal error: Maximum function nesting level of '100' reached, aborting! in
/home/Thomas/test.php on line 11

-- 
Edit bug report at http://bugs.php.net/?id=37675&edit=1
-- 
Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=37675&r=trysnapshot44
Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=37675&r=trysnapshot52
Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=37675&r=trysnapshot60
Fixed in CVS:                 http://bugs.php.net/fix.php?id=37675&r=fixedcvs
Fixed in release:             http://bugs.php.net/fix.php?id=37675&r=alreadyfixed
Need backtrace:               http://bugs.php.net/fix.php?id=37675&r=needtrace
Need Reproduce Script:        http://bugs.php.net/fix.php?id=37675&r=needscript
Try newer version:            http://bugs.php.net/fix.php?id=37675&r=oldversion
Not developer issue:          http://bugs.php.net/fix.php?id=37675&r=support
Expected behavior:            http://bugs.php.net/fix.php?id=37675&r=notwrong
Not enough info:              http://bugs.php.net/fix.php?id=37675&r=notenoughinfo
Submitted twice:              http://bugs.php.net/fix.php?id=37675&r=submittedtwice
register_globals:             http://bugs.php.net/fix.php?id=37675&r=globals
PHP 3 support discontinued:   http://bugs.php.net/fix.php?id=37675&r=php3
Daylight Savings:             http://bugs.php.net/fix.php?id=37675&r=dst
IIS Stability:                http://bugs.php.net/fix.php?id=37675&r=isapi
Install GNU Sed:              http://bugs.php.net/fix.php?id=37675&r=gnused
Floating point limitations:   http://bugs.php.net/fix.php?id=37675&r=float
No Zend Extensions:           http://bugs.php.net/fix.php?id=37675&r=nozend
MySQL Configuration Error:    http://bugs.php.net/fix.php?id=37675&r=mysqlcfg

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