Here's the problem I have:
I have $action which can be anyone of a1, a2, a3, a4.
I tried

if ($action!='a1' || $action!='a3') //tried == also
{
//do stuff
}
else
{
//do other stuff
}

Problem is that if() only seems to take one option so my construct
above doesn't work. 
What function can I use to do something like:
if ($action is among the items of 'a2,a4') kind of construct?
I tried strpos('a1a2a3',$action) but with the same results.
TIA

-- 
Regards, Andu Novac

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