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
>NULL.)
>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
if(strlen($get_html())>0)
//do something
else
// do nothing
--
-----------------------------------------------------------------------
Greg Donald - http://destiney.com/
http://phprated.com/ | http://phplinks.org/ | http://phptopsites.com/
-----------------------------------------------------------------------
--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php
