checking if all are set
if(
isset($var1) &&
isset($var2) &&
isset($var3)
){}
can be re-written as
if(isset($var1,$var2,$var3)){}
but what's the syntax for if any are set?
if(
isset($var1) ||
isset($var2) ||
isset($var3)
){}
Looks ugly; is there any better way to write this?