Add: method to determine which calculator is in use

jordanbrauer · Feb 3, 2018 · bb8b7d8 · bb8b7d8
1 parent a93b001
commit bb8b7d8
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/src/UnitConverter/UnitConverter.php b/src/UnitConverter/UnitConverter.php
@@ -211,4 +211,18 @@ protected function calculatorExists (): bool
 
         return false;
     }
+
+    /**
+     * Determine which calculator is currently being used
+     *
+     * @internal
+     * @return null|string
+     */
+    protected function whichCalculator ()
+    {
+        if ($this->calculatorExists())
+            return get_class($this->calculator);
+
+        return null;
+    }
 }