The if statement creates the branches and switches of your Xtscript
[...] = optional ... = your value
if not ... or not ...
...
[else
...]
endif
<!--parser:xtscript-->

var $x = call mt_rand $min=1;$max=2
var $y = call mt_rand $min=1;$max=2

# If not ... Or not...
# simulates $x == 1 and $y == 1
if not $x == 1 or not $y == 1
  print One of \$x or \$y is not equal to 1
else
  print Both \$x and \$y are equal to 1
endif

print <br />\$x=$x \$y=$y
<!--/parser:xtscript-->
Show in textarea
Reload
Both $x and $y are equal to 1
$x=1 $y=1