$num is divisible by 2. That means it is even.
"; } } function is_divisible_by_3($num) { if ($num % 3 == 0) { echo "$num is divisible by 3.
"; } } function is_divisible_by_4($num) { if ($num % 4 == 0) { echo "$num is divisible by 4. It is double-even!
"; } } function is_divisible_by_5($num) { if ($num % 5 == 0) { echo "$num is divisible by 5. It ends in a 0 or a 5.
"; } } for ($i = 5; $i > 0; $i--) { $var = 'is_divisible_by_' . $i; $var(2000); } ?>