Merge branch 'develop'

* develop:
  array_merge(): Argument #2 is not an array
  Some typecasting added.
  Missing a parameter.

Author: Michael van de rijt

src/Artisaninweb/SoapWrapper/Service.php

@@ -48,6 +48,14 @@ class Service {
      */
     protected $options;
 
+    /**
+     * The constructor
+     */
+    public function __construct()
+    {
+      $this->options = [];
+    }
+
     /**
      * Set the name of the service
      *

src/Artisaninweb/SoapWrapper/Wrapper.php

@@ -3,6 +3,7 @@
 namespace Artisaninweb\SoapWrapper;
 
 use Exception;
+use Closure;
 
 /**
  * Soap Webservice wrapper
@@ -12,6 +13,11 @@
  */
 Class Wrapper {
 
+    /**
+     * @var array
+     */
+    protected $clients;
+
     /**
      * @var array
      */
@@ -22,7 +28,8 @@
      */
     public function __construct()
     {
-        $this->clients = [];
+        $this->clients  = [];
+        $this->services = [];
     }
 
     /**
@@ -43,7 +50,7 @@ public function services()
      * @return mixed
      * @throws \Exception
      */
-    public function service($name,$callback)
+    public function service($name, Closure $callback)
     {
         if(!empty($this->services[$name]))
         {
@@ -61,7 +68,7 @@ public function service($name,$callback)
      * @return $this
      * @throws \Exception
      */
-    public function add($service)
+    public function add(Closure $service)
     {
         $client = new Service();
 
@@ -85,7 +92,7 @@ public function add($service)
      * @param $service
      * @return $this
      */
-    public function override($service)
+    public function override(Closure $service)
     {
         $client = new Service();