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php-md5变换算法之附加字符串干涉

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PHP中文网Original
2016-05-25 17:14:421383browse

php代码

<?php 
//附加字符串在原数据的尾部 
function md5_3_1($data, $append) 
{ 
return md5($data.$append); 
} 

//附加字符串在原数据的头部 
function md5_3_2($data, $append) 
{ 
return md5($append.$data); 
} 

//附加字符串在原数据的头尾 
function md5_3_3($data, $append) 
{ 
return md5($append.$data.$append); 
} 
?>
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