token php

PHP: Generate cryptographically secure token

Intro

Sometimes we need to create a random string or token using PHP. For example, it’s quite common that when we want to reset our password on some website a message is sent to the mail we registered.

Probably the message have a link like this:

site.com/reset-pass?token=123

Where 123 is the token. Today we will see how to create a token cryptographically secure using PHP. We can use this token as a password or as random string to reset something.

This works for PHP 5 and for PHP 7.

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