How to Print Hexadecimal Numbers in PHP or Java

Question

I need to print some data (a little bit strange formatted). I was writing it in PHP with if ($num%10==9) but it was impossible for me to get correct output.

So take

Answer 1

You need to print the numbers 1 to 30 in hexadecimal notation. Try this method for each line:

dechex ( int $number )