Bug #51938 [NEW]: serializing an object that implements serializable

From: Date: Thu, 27 May 2010 22:37:55 +0000
Subject: Bug #51938 [NEW]: serializing an object that implements serializable
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-150892@lists.php.net to get a copy of this message 
From:             
Operating system: CentOS kernel 2.6.18-164.11.1
PHP version:      5.3.2
Package:          SPL related
Bug Type:         Bug
Bug description:serializing an object that implements serializable

Description:
------------
Hello,

Create a class and implement Serializable, then use the serialize function
to return the value of serialize($this), apache crashes with an internal
server error, the apache error log reports a Premature end of script
headers error.

If line 17 is commented then the apache server does not crash.

Test script:
---------------
<?php
/**Simple class that is serializable and implements the serializable
interface */
class ImplementsSerializable implements Serializable {
    /** returns the serialization of itself */
    public function serialize() {
        return serialize($this);
    }
    /** returns unserialized object passed in $serialized */
    public function unserialize($serialized) {
        return unserialize($serialized);
    }
}
/** Create a new ImplementSerializable object */
$serializable = new ImplementsSerializable();
/** Store the serialized value in $serialized, this causes apache to crash,
with a
 *  Premature end of script headers error in the apache error log */
$serialized = $serializable->serialize();
/**point of execution does not reach here */
$unserialized = $serializable->unserialize($serialized);
echo "finished!";
?>


Expected result:
----------------
return value equal to the object serialized using the serialize function.

Actual result:
--------------
Apache crashes with internal server error and a Premature end of script
headers error.

-- 
Edit bug report at http://bugs.php.net/bug.php?id=51938&edit=1
-- 
Try a snapshot (PHP 5.2):            http://bugs.php.net/fix.php?id=51938&r=trysnapshot52
Try a snapshot (PHP 5.3):            http://bugs.php.net/fix.php?id=51938&r=trysnapshot53
Try a snapshot (trunk):              http://bugs.php.net/fix.php?id=51938&r=trysnapshottrunk
Fixed in SVN:                        http://bugs.php.net/fix.php?id=51938&r=fixed
Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=51938&r=needdocs
Fixed in release:                    http://bugs.php.net/fix.php?id=51938&r=alreadyfixed
Need backtrace:                      http://bugs.php.net/fix.php?id=51938&r=needtrace
Need Reproduce Script:               http://bugs.php.net/fix.php?id=51938&r=needscript
Try newer version:                   http://bugs.php.net/fix.php?id=51938&r=oldversion
Not developer issue:                 http://bugs.php.net/fix.php?id=51938&r=support
Expected behavior:                   http://bugs.php.net/fix.php?id=51938&r=notwrong
Not enough info:                     http://bugs.php.net/fix.php?id=51938&r=notenoughinfo
Submitted twice:                     http://bugs.php.net/fix.php?id=51938&r=submittedtwice
register_globals:                    http://bugs.php.net/fix.php?id=51938&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=51938&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=51938&r=dst
IIS Stability:                       http://bugs.php.net/fix.php?id=51938&r=isapi
Install GNU Sed:                     http://bugs.php.net/fix.php?id=51938&r=gnused
Floating point limitations:          http://bugs.php.net/fix.php?id=51938&r=float
No Zend Extensions:                  http://bugs.php.net/fix.php?id=51938&r=nozend
MySQL Configuration Error:           http://bugs.php.net/fix.php?id=51938&r=mysqlcfg

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