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In PHP, if a variable does not have a value, why does isset() still return TRUE?
| Author | Votes | Δ |
|---|---|---|
| Kevin Evans | 5 | +4.07 |
| Manto | 3 | +1.06 |
| JCOC611 | 3 | +0.88 |
| tobyodavies | 3 | +0.08 |
| miki725 | 0 | -3.04 |
| ShoeLace1291 | 0 | -3.12 |
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