[support] PHP 5.3 upgrade problems

[andy baxter]

Earnie Boyd wrote:
> Quoting andy baxter <andy at earthsong.free-online.co.uk>:
>
>   
>> I have seen it suggested just to remove the & in cases where the
>> function is expecting an object. Does this make sense in PHP terms?
>>
>>     
>
> Unless the function is defined incorrectly and doesn't use the purpose  
> of pass by reference then it is absolutely incorrect to remove the &  
> from the parameter.  A pass by reference parameter allows changes to  
> the external data.  If you remove & then the changes become local to  
> the function and the resultant change is not seen externally.
>   

OK. thanks.