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php生成强密码的程序

时间:2021-07-01 10:21:17 帮助过:2人阅读

  1. /**

  2. php生成强密码
  3. linK:bbs.it-home.org 2013/3/2
  4. */
  5. $password_length = 9;

  6. function make_seed() {

  7. list($usec, $sec) = explode(’ ‘, microtime());
  8. return (float) $sec + ((float) $usec * 100000);
  9. }

  10. srand(make_seed());

  11. $alfa = “1234567890qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM”;

  12. $token = “”;
  13. for($i = 0; $i < $password_length; $i ++) {
  14. $token .= $alfa[rand(0, strlen($alfa))];
  15. }
  16. echo $token;

  17. //方法2

  18. // Create Password
  19. $totalChar = 8; // number of chars in the password
  20. $salt = “abcdefghijklmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ123456789″; // salt to select chars from
  21. srand((double)microtime()*1000000); // start the random generator
  22. $Spass=””; // set the inital variable
  23. for ($i=0;$i<$totalChar;$i++) // loop and create password
  24. $Spass = $Spass . substr ($salt, rand() % strlen($salt), 1);

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