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Answers and rating deltas for
How do I prevent the same (upper/lowercase in-sensitive) usernames in PHP?
| Author | Votes | Δ |
|---|---|---|
| LetsSeo | 12 | +4.16 |
| Francesco de Guytenaere | 10 | +1.62 |
| Ashwini G. | 3 | -2.61 |
| Ravi Hirani | 3 | -0.29 |
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