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Custom function to generate random password in php

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2016-07-25 08:51:28894browse
  1. /*
  2. * php automatically generates new password custom function (with example demonstration)
  3. Applicable environment: PHP5.2.x / mysql 5.0.x
  4. Code author: xujiajay
  5. Contact information: xujiaphp@gmail.com
  6. * */
  7. function genPassword($min = 5, $max = 8)
  8. {
  9. $validchars="abcdefghijklmnopqrstuvwxyz123456789";
  10. $max_char=strlen($validchars)-1;
  11. $length=mt_rand ($min,$max);
  12. $password = "";
  13. for($i=0;$i<$length;$i++ )
  14. {
  15. $password.=$validchars[mt_rand(0,$max_char)] ;
  16. }
  17. return $password;
  18. }
  19. echo "New password:".genPassword()."
    ";
  20. echo "New password:".genPassword(5,10)."
    " ;
  21. ?>
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