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Old 2014-12-28, 06:53 PM
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Default Php生成自定义长度随机字符串的函数分享

这篇文章主要介绍了PHP生成自定义长度随机字符串的函数分享,需要的朋友可以参考下

php随机生成字符串可以自己定义自己所需要的长度,在实际应用开发中,经常遇到。


Code:
//随机生成字符串
function random($length) {
     srand(date("s"));
     $possible_charactors = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
     $string = "";
     while(strlen($string)<$length) {
          $string .= substr($possible_charactors,(rand()%(strlen($possible_charactors))),1);
     }
     return($string);
}
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