StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
How to make function argument optional in PHP?
| Author | Votes | Δ |
|---|---|---|
| acf | 3 | +3.87 |
| Piotr Olaszewski | 0 | -0.48 |
Last visited: Jan 2, 2016, 1:09:32 AM