StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
PHP - determine whether the variable is undefined or NULL
Author | Votes | Δ |
---|---|---|
OzzyCzech | 5 | +4.12 |
ArtisticPhoenix | 1 | +1.42 |
Rick James | 0 | -0.22 |
deceze | 0 | -1.42 |
Tschallacka | 0 | -0.30 |
Last visited: Jun 20, 2018, 6:45:27 PM