On Sat, 2 Mar 2002, Anas Mughal wrote:

>I am wondering if someone could shed some light on
>this aspect of PHP. It might be something obvious, but
>I am not able to figure it out.
>I have a function that returns a dynamically generated
>HTML string. However, I need a way to let the caller
>know if that function has failed. One way I thought
>of, is to have an empty return:
>  return;
>hoping that I could check for isset(). However, isset
>reports "1". (In the C world, I could easily check for
>Is there a way in PHP to return a failure flag back to
>the caller? (Of course, I could use an argument as a
>success flag. But, I am wondering if there is a way to
>do it in the return variable.)

i would use something like

        //do something
        // do nothing

Greg Donald - http://destiney.com/
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