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Answers and rating deltas for
How to tell whether a variable is null or undefined in php
Author
Votes
Δ
Andrew
2
+4.35
zzzzBov
1
+0.22
Phil
1
-0.02
23JUL
0
-2.76
Dan Simon
0
-3.22
Last visited: Sep 14, 2014, 5:07:29 AM