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Answers and rating deltas for
what does this php expression regarding session variables mean?
| Author | Votes | Δ |
|---|---|---|
| Sarfraz | 2 | +1.00 |
| Gordon | 1 | -0.61 |
| Corith Malin | 0 | -1.57 |
| petervaz | 0 | -1.54 |
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