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±ÛÀÚ ±úÁü ¾øÀÌ ¹®ÀÚ¿­ ÀÚ¸£±â(hex2bin ÇÔ¼ö ÀÌ¿ë)
13³â Àü
<?

echo "<form action=$PHP_SELF>
      ÀÚ¸¦ ¹®ÀÚ¿­ : <input type=text size=35 name=start value="$start"><br>
      ÀÚ¸¦ ±æÀÌ : <input type=text size=5 name=end value=$end><input type=submit value="^___^"></form>";


echo "ÀÚ¸¦¹®ÀÚ¿­ : $start<br>
      ÀÚ¸¦ ±æÀÌ : $end<br><br>
      <b>ÀÚ¸£°í ³­ ¹®ÀÚ¿­ : ".cut_str($start,$end)."</b>";
    
function cut_str($str,$length)  {
  $temp = "";
  $ret_str = "";
  if(strlen($str) > $length) $dot = "....";
  
  for($i=0;$i<$length;$i++) {
       $b = bin2hex(substr($str,$i,1));
       if(hexdec($b) < 127 && $temp == "") $ret_str .= chr(hexdec($b));
       else {
          if($temp == "") $temp = $b;
          else {
              $temp .= $b;
              $ret_str .= hex2bin($temp);
              $temp = "";
              }
          }
       }
   return $ret_str.$dot;
   }

function hex2bin($str)  {      //-- bin2hex ÀÇ ¿ªÇÔ¼ö
    $ret_str = "";
    for($i=0;$i<strlen($str);$i+=2)  {
        $ge_str = substr($str,$i,2);
        $ret_str .= chr(hexdec($ge_str));
        }
    return $ret_str;
    }
    
?>
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