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In PHP,How to decrement quantity by 1 each time an item is ordered?
| Author | Votes | Δ |
|---|---|---|
| Avinash Ware | 0 | +0.31 |
| Daniel W. | 0 | +0.01 |
| Alexander | 0 | +0.20 |
| Wayne Whitty | 0 | -0.07 |
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