b1rdex · May 22, 2013 00:14 · May 22, 2013
diff --git a/gistfile1.php b/gistfile1.php
@@ -0,0 +1,16 @@
+static public function build($formula, $isCalculable = self::CALCULABLE)
+{
+    return new Formula($formula, $isCalculable);
+}
+
+public function setVars(array $vars)
+{
+    $this->parameterBag->datas = array_merge($this->parameterBag->datas, $vars);
+
+    return $this;
+}
+
+public function evaluate()
+{
+    return $this->render();
+}