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标题:md5 16位二进制与32位字符串相互转换的例子
正文:

代码如下:
<?php$str = 'test';
$cm = md5($str);
$bm = md5($str, true);$cstr = implode(unpack('H*', $bm));
$bstr = pack('H*', $cm);
echo 'str:'. $str . "<br >\n";
echo 'cm :' . $cm . "<br >\n";
echo 'cstr:' . $cstr . "<br >\n";
echo 'urlencode(bm) :' . urlencode($bm) . "<br >\n";
echo 'urlencode(bstr):' . urlencode($bstr) . "<br >\n";

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