Re: PHP 4.0 Bug #2313: PHP4 unserializes a PHP3 serialized object as a boolean

On Thu, Sep 16, 1999 at 03:14:23AM +0000, Manuel Lemos wrote: > Hello Sascha, > > On 16-Sep-99 05:40:02, you wrote: > > >On Thu, Sep 16, 1999 at 12:15:29AM -0000, mlemos@acm.org wrote: > >> From: mlemos@acm.org > >> Operating system: LinuX RH 5.2 > >> PHP version: 4.0 Latest CVS (15/09/1999) > >> PHP Bug Type: Misbehaving function > >> Bug description: PHP4 unserializes a PHP3 serialized object as a boolean > >> > >> Try this example to see the problem. > > > The format is not written in stone and is subject to change. > > But isn't PHP4 going to be able to unserialize PHP3 serialized objects? If PHP4 doesn't support PHP3's format, the answer is no. > It's not my case, but I'm afraid that there is already many people storing > PHP3 serialized data in databases. If PHP4 is not able to unserialize data > serialized by PHP3, people's applications will break in PHP 4 and they > might not want to move to PHP 4 because of that. To do this, you would need to support PHP3's format in PHP4. To differentiate between the formats, one could add a version number to the data stream. Sounds like a project for someone. -- Regards, Sascha Schumann Consultant