StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Check if variable is_undefined in PHP
| Author | Votes | Δ |
|---|---|---|
| cljk | 9 | +4.32 |
| Alain Tiemblo | 4 | +1.28 |
| Crisp | 2 | +0.34 |
| chrislondon | 1 | -0.65 |
| John Yin | 0 | 0.00 |
| GGio | 0 | -1.51 |
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