<h1>MD5 해쉬 적용</h1>

md5 문자열 (32) : <?=md5($poi)?><br>
sha1  문자열 (40) : <?=sha1($poi)?><br>
crc32 문자열 : <?printf("%u ", crc32($poi));?><br><br>
iconv : <?
$iconv1 = iconv("ISO-8859-1","UTF-8",$poi);
$iconv2 = iconv("UTF-8","ISO-8859-1",$poi);
print("인코딩 : $iconv1 , 디코딩 : $iconv2 " );
?><br>

<hr>
bin2hex : <?
$bin2hex =base_convert($poi,2 ,16);
print($bin2hex);
?><br>
bindec : <?
$bindec =bindec($poi);
print($bindec);
?><br>
binoct : <?
$binoct =base_convert($poi,2 ,8);
print($binoct);
?><br>

<hr>
oct2bin : <?
$oct2bin =base_convert($poi,8 ,2);
print($oct2bin);
?><br>
oct2dec : <?
$oct2dec  =base_convert($poi,8 ,10);
print($oct2dec);
?><br>
oct2hex : <?
$oct2hex =base_convert($poi,8 ,16);
print($oct2hex);
?><br>

<hr>
hexbin : <?
$hexbin =base_convert($poi,16,2);
print($hexbin);
?><br>

base_convert(16,2) : <?
$base_convert = base_convert($bin2hex,16,2);
print($base_convert);
?><br>
sprintf : <?
$sprintf = sprintf("%s",intval($poi,16));
print($sprintf);
?><br>
<? print(intval($poi,16)) ?><br>

sprintf : <?
$sprintf = sprintf("%d",$poi);
print($sprintf);
?><br>

utf8_decode ( hex to str ) : <?=utf8_decode($base_convert)?><br>
utf8_encode : <?=utf8_encode($poi)."[".bin2hex(utf8_encode($poi))."]"?><br>
iconv : <?printf(iconv("ISO-8859-1","UTF-8",$poi));?><br>
<form action="<?=$_SERVER['PHP_SELF']?>" method="get">
  <p>적용할 문자열 :
    <input name="poi" type="text" value="<?=$poi?>">
<input type="submit" name="Submit" value="해쉬값 계산">
</p>
  </form>