php生成一个安全随机的密码程序
php生成一个随机的密码,方便快捷,可以随机生成安全可靠的密码,希望此文章对大家会有所帮助。
例
代码如下 | 复制代码 |
header("Content-type:text/html;charset=utf-8"); function getRandPass($length = 6){ $password = ''; //将你想要的字符添加到下面字符串中,默认是数字0-9和26个英文字母 $chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; $char_len = strlen($chars); for($i=0;$i $loop = mt_rand(0, ($char_len-1)); //将这个字符串当作一个数组,随机取出一个字符,并循环拼接成你需要的位数 $password .= $chars[$loop]; } return $password; } echo getRandPass(12); //随机生成一个12位数的密码
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生成密码哪下
例2,与第一个有一点像
1、预置一个的字符串 $chars ,包括 a – z,A – Z,0 – 9,以及一些特殊字符
2、在 $chars 字符串中随机取一个字符
3、重复第二步 n 次,可得长度为 n 的密码
代码如下 | 复制代码 |
function generate_password( $length = 8 ) { $password = ''; return $password; |

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