Hi, On Wed, Nov 23, 2011 at 4:09 AM, mmhan <[email protected]> wrote:
> I was just curiously checking out some of the core code in github and > stumbled upon this.. I'm just wondering the reasoning behind it.In PHP4... Yes, in PHP4... $obj2 = $obj; ... would assign a copy of $obj to $obj2. i.e. an entirely different object which is a copy of $obj. So in PHP4, &= is need to assign a reference to $obj to $obj2. In PHP5... $obj2 = $obj; ... assigns $obj2 as a reference of $obj by default so &= is not required. Cheers, Andy -- Andy Gale http://andy-gale.com http://twitter.com/andygale -- Our newest site for the community: CakePHP Video Tutorials http://tv.cakephp.org Check out the new CakePHP Questions site http://ask.cakephp.org and help others with their CakePHP related questions. To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/cake-php
