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flypaper · Contributor Joined: 19 Oct 2001 Posts: 104

Is there a way to check to see if a group of variables is null all at once?

ShinobiSoft · Posted: Fri Mar 25, 2005 9:01 pm Post subject:

To my knowledge you'll have to write a separate function to do this. You could also, as each variable get "used", add it to a list in a specific order, your chioce, and then periodically check the list for any empty lines.

webdaddy · Posted: Fri Mar 25, 2005 11:45 pm Post subject: Variables

I usually create a loop and then check them all at once using the loop. Dont know if that was what you were referring to or not. But another thought about how you can check a series of variables.

jules · Posted: Sat Mar 26, 2005 9:41 am Post subject:

If you need them all to be null just do:

flypaper · Contributor Joined: 19 Oct 2001 Posts: 104

ShinobiSoft · Posted: Tue Mar 29, 2005 6:24 pm Post subject:

I think that what is happening here, is that if any of the variables included in
the parenthesis have a value, then @null() will return FALSE. It isn't
explicitly checking each variable for NULL.

Nice approach though Jules. Wink

flypaper · Contributor Joined: 19 Oct 2001 Posts: 104

jules · Posted: Wed Mar 30, 2005 8:06 am Post subject:

Ah! You want to test if none of a group of variables is null!

I can't think of an easy way to do this. You have: