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Editorial Team
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Asked: 2026-05-23T21:02:34+00:00

I’m fairly new to user authentication, but have built some standard user authentication processes

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I’m fairly new to user authentication, but have built some standard user authentication processes in PHP. To get to the point I’ve been tasked to build a system that we can send out a mass e-mail blast to users that includes a link which the user can click on and be directly logged into the system.

I will probably be building this using codeigniter. If anyone could provide some direction on a procedure to follow or some tutorials on this it would be extremely helpful. Note: if they’re not codeigniter specific that is completely fine.

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1 Answer

  1. Editorial Team

    The simplest way to do this would be to generate a hash based on the username and some kind of salt, and then put a link in the email something like http://some.url/loggedin.php?email=<email>&hash=<hash> that way the email can be used to look up the record in the db easily and the hash can be compared.

    Hope that helps

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