[PHP-WIN] Secure Login PHP Class

[Parham Doustdar]

Hi there,
I'm a beginner to PHP, and I was wondering if there is a login class that is 
known to be secure. I can build one myself, but I'm not sure what the 
vulnorabilities are. I've read up on more than twenty articles, tutorials, and 
codes so far, but can't quite find out which one is the best -- I'm looking for 
one that is recommended by a few other users.
Thanks!
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Contact info:
Skype: parham-d
MSN: fire_lizard16 at hotmail dot com
email: parham90 at GMail dot com