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Answers and rating deltas for
How can I make sure that a user cannot login twice with the same account in PHP?
| Author | Votes | Δ |
|---|---|---|
| David Fells | 1 | -0.05 |
| Stijn Leenknegt | 1 | +0.19 |
| John | 1 | +0.21 |
Last visited: Sep 14, 2014, 5:07:29 AM