Your start \"$start\" is not a number.\n";
$start_the_count=0;
}
// if the end input is there and not a number
if($end and ! is_numeric($end)) {
print "
Your end \"$end\" is not a number.\n";
$start_the_count=0;
}
if($end < $start) {
print "
Your start is higher than your end.\n";
$start_the_count=0;
}
// if there is no input, usually when the page is first loaded
if(! $start and ! $end) {
$start_the_count=0;
}
if($start_the_count) {
print "
This is the count.
";
$count=$start;
while($count<=$end) {
print "$count\n";
$count++;
}
print "
";
}
else {
print "
Please enter start and end numbers. I will count from start to end.
\n";
}
?>
