PHP/Data Type/Hexadecimal Number

dechex: convert decimal to hexadecimal

   <source lang="html4strict">

<?php $orig_dec = 255; $dec2hex = dechex($orig_dec); $hex2dec = hexdec($dec2hex); echo "original decimal number: $orig_dec
"; echo "new hexadecimal number: $dec2hex
"; echo "back to decimal: $hex2dec
"; ?>

      </source>
   
  

hexdec: convert hexadecimal to decimal

   <source lang="html4strict">

<?php $orig_dec = 255; $dec2hex = dechex($orig_dec); $hex2dec = hexdec($dec2hex); echo "original decimal number: $orig_dec
"; echo "new hexadecimal number: $dec2hex
"; echo "back to decimal: $hex2dec
"; ?>

      </source>