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To: David Grudl <david@grudl.com>
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Date: Fri, 26 Dec 2008 02:17:17 +0000
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	Content preview:  On 26 Dec 2008, at 01:46, David Grudl wrote: > This code throws
	*Fatal error*: Method test::__toString() must not > throw an exception >
	> class Test1 > { > public function __toString() > { > throw new Exception;
	> } > } > > The same problem causes throwing exceptions in function __autoload.
	> > I think this behavior is against the logic of exceptions. Excellent >
	feature of PHP 5.3 would be to resolve this errors. > > [...] 
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Subject: Re: [PHP-DEV] Tip for 5.3: exceptions in __toString and __autoload
From: scott@macvicar.net (Scott MacVicar)

On 26 Dec 2008, at 01:46, David Grudl wrote:

> This code throws *Fatal error*: Method test::__toString() must not  
> throw an exception
>
> class Test1
> {
>   public function __toString()
>   {
>       throw new Exception;
>   }
> }
>
> The same problem causes throwing exceptions in function __autoload.
>
> I think this behavior is against the logic of exceptions. Excellent  
> feature of PHP 5.3 would be to resolve this errors.
>
>

This is down to the design of the engine, we perform casting to  
strings in a lot of different places and it couldn't be guaranteed  
that the engine would handle any exceptions correctly.

I'm pretty sure there is something in the internals archives about  
this change.

Scott