NYCPHP Meetup

[Dan Cech]

> I'm want the parameters for a function to be passed by reference.  
> Normally, that's accomplished by placing a & in front of the variable. 
> Trick is, the argument in question needs to be optional.  Placing a & in 
> front of an optional parameter creates a parse error.
> 
> CODE:
>     function &execute($stmt, &$data = array()) {
>     }
> 
> ERROR:
>     Parse error: parse error, unexpected '=', expecting ')'
> 
> Removing the "= array()" makes it parse fine.
> 
> So, is there a way to do this, please?

Looking here: <http://www.php.net/zend-engine-2.php>

It appears this syntax is supported in PHP5.

Dan