$typeof
Returns the internal data type of a variable
Usage
<string> $typeof(<data:variant>)
Description
Returns the internal data type of the <data>.
Examples

echo $typeof("test")
%a = "test"
echo $typeof(%a)
%a = 1
echo $typeof(%a)
%a = $(1 + 2)
echo $typeof(%a)
echo $typeof($typeof(%a))

Index, Functions