PHP generates a random string with specified number of digits (length)

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Release: 2016-07-25 08:55:26
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  1. /**
  2. * Generate a string of specified length
  3. * by bbs.it-home.org
  4. */
  5. function create_random_string($random_length) {
  6. $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
  7. $random_string = '';
  8. for ($i = 0; $ i < $random_length; $i++) {
  9. $random_string .= $chars [mt_rand(0, strlen($chars) - 1)];
  10. }
  11. return $random_string;
  12. }
Copy code

Write It's a bit simpler. The value range of the random string is random{0-9,A-Z,a-z}.

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