#38166 [Opn->Fbk]: Calling PDO::prepare or PDO::query then calling non-existent method crashes PHP

From: Date: Sun, 23 Jul 2006 07:21:11 +0000
Subject: #38166 [Opn->Fbk]: Calling PDO::prepare or PDO::query then calling non-existent method crashes PHP
References: 1  Groups: php.bugs 
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 ID:               38166
 Updated by:       tony2001@php.net
 Reported By:      jerome at macsaresexy dot com
-Status:           Open
+Status:           Feedback
 Bug Type:         PDO related
 Operating System: Ubuntu Linux
 PHP Version:      5.1.4
 New Comment:

Thank you for this bug report. To properly diagnose the problem, we
need a backtrace to see what is happening behind the scenes. To
find out how to generate a backtrace, please read
http://bugs.php.net/bugs-generating-backtrace.php
for *NIX and
http://bugs.php.net/bugs-generating-backtrace-win32.php
for Win32

Once you have generated a backtrace, please submit it to this bug
report and change the status back to "Open". Thank you for helping
us make PHP better.

Can't reproduce.


Previous Comments:
------------------------------------------------------------------------

[2006-07-20 17:41:39] jerome at macsaresexy dot com

Description:
------------
PHP crashes with a seg fault if you try to call a method that 
doesn't exist, on any particular object, after a call from 
PDO::prepare() or PDO::query().

Reproduce code:
---------------
class TestClass {
    static $db;

    function test() {
        $stmt = self::$db->prepare('SELECT * FROM users');
        $this->omg();
    }
}
TestClass::$db = new
PDO('mysql:host=localhost;dbname=mydb','root','');
$test = new TestClass();
$test->test();

Expected result:
----------------
Should produce a call to undefined method TestClass::omg() 
fatal error message.

Actual result:
--------------
What I get instead is a segmentation fault of the child apache 
process seen in the error_log file.  This only happens when 
$db->prepare() is assigned to a variable too, if $stmt = isn't 
there, it won't crash.


------------------------------------------------------------------------


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