Coding question

[Tim Skellett]

Hi,
pardon this question (actually two); I'm a complete newbie when it comes to coding.

I would like to modify the following in a vB 3.5.4 template:

<if condition="$show['foo']">

and I would like to modify the above like so:

<if condition="$show['foo']" EXCEPT WHEN [if condition ="$A[X]" AND if condition"$[Y]"]>

or in other words do the operation as normal except when two other conditions are simultaneously met. How best do I code that?

Sorry if I sound painfully dumb; I am indeed a newbie.
______

That's the one question; my next question also refers to the above.
In the above, [Y] has a range of values, so I am looking at some kind of array, I suppose like so:

<if condition="$show['foo']" EXCEPT WHEN [if condition ="$A[X]" AND if condition"$[ARRAY(Y)]"]>

How best do I code that?

______

Many thanks in advance, and please pardon my ignorance.

It occurs to me it would be easier to do a nested "if" set, like so:

<if condition ="$A[X]" AND if condition"$[ARRAY(Y)]" AND if condition="$show"] show 'alternate'>
     else
             <if condition="$show['foo']" show 'foo'>
             </if>
</if>

Is my coding above correct?

Many thanks in advance for help and patience.