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Custom function to generate random password in php

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Release： 2016-07-25 08:51:28
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  2. /*
  3. * php automatically generates new password custom function (with example demonstration)
  4. Applicable environment: PHP5.2.x / mysql 5.0.x
  5. Code author: xujiajay
  6. Contact information: xujiaphp@gmail.com
  7. * */
  8. function genPassword($min = 5, $max = 8)
  9. {
  10. $validchars="abcdefghijklmnopqrstuvwxyz123456789";
  11. $max_char=strlen($validchars)-1;
  12. $length=mt_rand ($min,$max);
  13. $password = "";
  14. for($i=0;$i<$length;$i++ )
  15. {
  16. $password.=$validchars[mt_rand(0,$max_char)] ;
  17. }
  18. return $password;
  19. }
  20. echo "New password:".genPassword()."
    ";
  21. echo "New password:".genPassword(5,10)."
    " ;
  22. ?>
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Related labels：
php生成随机密码的自定义函数
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