Re: [PHP4BETA] Catching object instantiation error

On Thu, 25 May 2000, Anh (Ly) Vuong wrote:
> Hello,
> 
> Hope someone out there can help me.
> 
> I am trying to catch error or prevent from instantiate a non existing
> object class. I use:
> 
> class A
> {
>   ...
> }
> 
> $className = "A";
> $obj = new $className;
>  ...
> $className = "B";
> $obj = new $className;
> 
> 
> I would like to catch the error in the second part of the code, is there
> a function to check if the class definition exist before the
> instantiation?

Yes, class_exists($classname) will give you what you want.

-Andrei
* Change is the only constant. *