Merge pull request #46 from fcastilloes/add-has-variable

Add Api::hasVariable()

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ##Upcoming
 ## Fixed
 - Fix meta byte for communicating calls
+- Add `Api:hasVariable()`
 
 ## [1.1.5] - 2017-07-02
 ## Fixed

src/Api/Api.php

@@ -141,6 +141,15 @@ public function getVariables(): array
         return $this->variables;
     }
 
+    /**
+     * @param string $name
+     * @return bool
+     */
+    public function hasVariable(string $name): bool
+    {
+        return isset($this->variables[$name]);
+    }
+
     /**
      * @param string $name
      * @return string

src/Api/ApiInterface.php

@@ -44,6 +44,12 @@ public function getFrameworkVersion(): string;
      */
     public function getVariables(): array;
 
+    /**
+     * @param string $name
+     * @return string
+     */
+    public function hasVariable(string $name): bool;
+
     /**
      * @param $name
      * @return string