Re: Returning error code from a function

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/ -----------------------------------------------------------------------