hex.php

   1 <?php
   2 function tohex($data){
   3   $ret = array();
   4   $offset = 0;
   5   $len = strlen($data);
   6
   7   $ascii = '';
   8   $hex = array();
   9   for ($i = $j = 0; $i < $len; $i++){
  10     $hex[] = sprintf("%02x", ord($data[$i]));
  11
  12     if ((ord($data[$i]) >= ord(' ') && ord($data[$i]) <= ord('~')) || (ord($data[$i]) >= 0xa0 && ord($data[$i]) <= 0xa7)){
  13       $ascii .= utf8_encode(htmlentities($data[$i]));
  14     } else {
  15       $ascii .= '.';
  16     }
  17
  18     if ($j == 7) $ascii .= ' ';
  19
  20     if (++$j == 16 || $i == $len - 1){
  21       $ret[] = array(sprintf("%04x",$offset),$hex,$ascii);
  22
  23       $ascii = '';
  24       $hex = array();
  25
  26       $offset += 16;
  27       $j = 0;
  28     }
  29   }
  30   return $ret;
  31 }
  32 ?>