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php-md5变换算法之循环MD5

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Release: 2016-05-25 17:14:43
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php代码

<?php 
//迭代算法 
function md5_1_1($data, $times = 32) 
{ 
//循环使用MD5 
for ($i = 0; $i < $times; $i++) { 
$data = md5($data); 
} 
return $data; 
} 

//递归算法 
function md5_1_2($data, $times = 32) 
{ 
if ($times > 0) { 
$data = md5($data); 
$times--; 
return md5_1_2($data, $times); //实现递归 
} else { 
return $data; 
} 
} 
?>
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