php自定义hash函数实例
本文实例讲述了php自定义hash函数实现方法。分享给大家供大家参考。具体分析如下:
这里演示php实现的一个简单hash算法,可以用来加密,不过这个函数过于简单,不能用来解密
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function SimpleHash($str){ $n = 0; // The magic happens here: // I just loop trough all letters and add the // ASCII value to a integer variable. for ($c=0; $c $n += ord($str[$c]); // After we went trough all letters // we have a number that represents the // content of the string return $n; } |
调用方法:
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$TestString = 'www.jb51.net'; print SimpleHash($TestString); // returns: 1082 |
希望本文所述对大家的php程序设计有所帮助。

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