//轉16進位制
<?php
  $mybit = '001000000100000001000111110011110010101101011000000100001011100111000110001000100011101000010110000000110011000001001010001100001000001011100000000101001100111100111001110100010001000010011000111011010011101111001100011101101001000100100010';
  $_32hexa = "";
  $index = -4;
  while (abs($index) <= 240) {
      $a = substr($mybit,$index,4);
      $index = $index-4;
      $_32hexa = base_convert($a, 2, 16).$_32hexa;
  }
  echo($_32hexa);
  return;
?>
//轉32進位制
<?php
  $mybit = '001000000100000001000111110011110010101101011000000100001011100111000110001000100011101000010110000000110011000001001010001100001000001011100000000101001100111100111001110100010001000010011000111011010011101111001100011101101001000100100010';
  $_32hexa = "";
  $index = -5;
  while (abs($index) <= 240) { //多少位 ，預設240位
      $a = substr($mybit,$index,4);
      $index = $index-5;
      $_32hexa = base_convert($a, 2, 32).$_32hexa;
  }
  echo($_32hexa);
  return;
?>