PHP: How to generate a random, unique, alphanumeric string for use in a secret link?

Question

How would it be possible to generate a random, unique string using numbers and letters for use in a verify link? Like when you create an account on a website, and it sends y

Answer 1

If you want to generate a unique string in PHP, try following.

md5(uniqid().mt_rand());

In this,

uniqid() - It will generate unique string. This function returns timestamp based unique identifier as a string.

mt_rand() - Generate random number.

md5() - It will generate the hash string.