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Answers and rating deltas for
How do I check whether an environment variable is set in PHP?
| Author | Votes | Δ |
|---|---|---|
| wecsam | 4 | +4.01 |
| Rajeev Ranjan | 3 | +0.79 |
| Sankalp Mishra | 0 | -0.48 |
Last visited: Sep 14, 2014, 5:07:29 AM