added const for WIN, DRAW and LOST values, update readme.

Chovanec · Jun 23, 2017 · 1cbe069 · 1cbe069
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commit 1cbe069
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -10,14 +10,14 @@ A PHP class which implements the [Elo rating system](http://en.wikipedia.org/wik
     // player A lost
     // player B win
 
-    $rating = new Rating(1000, 2000, 0, 1);
+    $rating = new Rating(1000, 2000, Rating::LOST, Rating::WIN);
 
     // player A elo = 1000
     // player B elo = 2000
     // player A draw
     // player B draw
 
-    $rating = new Rating(1000, 2000, .5, .5);
+    $rating = new Rating(1000, 2000, Rating::DRAW, Rating::DRAW);
 
     $results = $rating->getNewRatings();
 

diff --git a/src/Rating/Rating.php b/src/Rating/Rating.php
@@ -18,6 +18,10 @@ class Rating
      */
     const KFACTOR = 16;
 
+    const WIN = 1;
+    const DRAW = 0.5;
+    const LOST = 0;
+
     /**
      * Protected & private variables.
      */