php - Can I use CodeIgniter form validation class to log a user in -

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i know how write custom form validation's codeigniter , considering writing login validation function form validation call function. theory is easy way use codeigniter form validation class feedback user login failed.

i can't see wrong , work there inherently bad in approach? add potential weakness in security of web apps login?

you can surely use codeigniter's form validation library purpose.

however, advise against writing own authentication system , use existing 1 such tank auth or ion auth.


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