[teknomage1]

why not write something like this

<?php
if( rand(0,1) ) {
     $roll = rand(2,6);
     print "You rolled a $roll";
  }
  else {
     print "You rolled a 1";
  }
?>

That way you're mathematically garunteed to roll 1 fifty percent of the time, thanks to the first if statement. But taking 1-3 out of a six sided roll is also 50%.