diff --git a/mainwp-example-extension.php b/mainwp-example-extension.php
index 848c95a..d0fa74a 100644
--- a/mainwp-example-extension.php
+++ b/mainwp-example-extension.php
@@ -6,17 +6,17 @@
 Version: 1.0
 Author: MainWP
 Author URI: https://mainwp.com
-Icon URI: 
+Icon URI:
 */
 class MainWPExampleExtension
 {
-  
+
     public function __construct()
     {
         add_action('init', array(&$this, 'init'));
         add_action('admin_init', array(&$this, 'admin_init'));
     }
-	
+
     public function init()
     {
 
@@ -26,17 +26,17 @@ public function init()
     * Create your extension page
     */
 
-    public function renderPage() {
+    public static function renderPage() {
         global $mainWPExampleExtensionActivator;
 
-        // Fetch all child-sites 
-        $websites = apply_filters('mainwp-getsites', $mainWPExampleExtensionActivator->getChildFile(), $mainWPExampleExtensionActivator->getChildKey(), null);              
-        
+        // Fetch all child-sites
+        $websites = apply_filters('mainwp-getsites', $mainWPExampleExtensionActivator->getChildFile(), $mainWPExampleExtensionActivator->getChildKey(), null);
+
         // Location to open on child site
-        $location = "admin.php?page=mainwp_child_tab";                 
-        
+        $location = "admin.php?page=mainwp_child_tab";
+
         if (is_array($websites)) {
-            ?>      
+            ?>
             <div class="postbox">
                 <div class="inside">
                     <p><?php _e('MainWP Hello World! Extension is an example extension. This extension provides two examples for calling MainWP Actions and Hooks. Purpose of this extension is to give you a start point in developing your first custom extension for the MainWP Plugin.'); ?></p>
@@ -54,71 +54,71 @@ public function renderPage() {
                     <div id="mainwp_example_links">
                         <?php
                         //Display a list of your child site with a secure link to child site WP Admin (login not required)
-                        foreach($websites as $site) { 
+                        foreach($websites as $site) {
                             // Create link to open $location on child site
                             $open_url = "admin.php?page=SiteOpen&newWindow=yes&websiteid=". $site['id'] . "&location=" . base64_encode($location) ;
                             echo $site['name'] .": ";
                             ?>
-                            <a href="<?php echo $open_url; ?>" class="queue" target="_blank"><?php _e("Open location", "mainwp");?></a>.                        
-                            <br/>              
-                        <?php            
+                            <a href="<?php echo $open_url; ?>" class="queue" target="_blank"><?php _e("Open location", "mainwp");?></a>.
+                            <br/>
+                        <?php
                         }
                         ?>
-                    </div>  
+                    </div>
                 </div>
             </div>
-            
+
             <div class="postbox">
                 <h3 class="mainwp_box_title"><?php _e('Get Posts From Child Sites'); ?></h3>
                 <div class="inside">
-                    <em><?php _e('List all posts from your child site'); ?></em>           
+                    <em><?php _e('List all posts from your child site'); ?></em>
                         <?php $site = $websites[0]; ?>
                         <p><?php _e('Get posts from child site:'); ?> <?php echo $site['url'] ?> <a href="admin.php?page=Extensions-Mainwp-Example-Extension&siteid=<?php echo $site['id']; ?>" class="button button-primary"><?php _e('Click Here!'); ?></a></p>
-                        <?php            
+                        <?php
                         if (isset($_GET['siteid']) && !empty($_GET['siteid'])) {
-                            $websiteId = $_GET['siteid'];         
-                            //fetch information of one child-site                 
-                            $website = apply_filters('mainwp-getsites', $mainWPExampleExtensionActivator->getChildFile(), $mainWPExampleExtensionActivator->getChildKey(), $websiteId);            
+                            $websiteId = $_GET['siteid'];
+                            //fetch information of one child-site
+                            $website = apply_filters('mainwp-getsites', $mainWPExampleExtensionActivator->getChildFile(), $mainWPExampleExtensionActivator->getChildKey(), $websiteId);
                             if ($website && is_array($website)) {
                                 $website = current($website);
-                            }  
+                            }
 
                             if (!$website) {
                                 echo "<p><strong>ERROR</strong>: ". __('Child Site Not Found') ."</p>";
                             } else {
 
                                 // Example to call function get_all_posts on child-plugin to get posts on child site
-                                $post_data = array(               
+                                $post_data = array(
                                     'status' => 'publish',
                                     'maxRecords' => 10
                                 );
 
                                 // hook to call the function get_all_posts
-                                $information = apply_filters('mainwp_fetchurlauthed', $mainWPExampleExtensionActivator->getChildFile(), $mainWPExampleExtensionActivator->getChildKey(), $websiteId, 'get_all_posts', $post_data);			                            
-                                
+                                $information = apply_filters('mainwp_fetchurlauthed', $mainWPExampleExtensionActivator->getChildFile(), $mainWPExampleExtensionActivator->getChildKey(), $websiteId, 'get_all_posts', $post_data);
+
                                 if (is_array($information)) {
                                     if (isset($information['error'])) {
                                         echo "<p><strong>ERROR</strong>: " . $information['error'] . "</p>";
-                                    } else {                                                 
+                                    } else {
                                         echo "<h3>"._('List of posts: ')."</h3>";
                                         echo "<ol>";
                                         foreach($information as $post) {
                                             echo "<li>";
                                             echo $post['title'];
-                                            ?>                        
+                                            ?>
                                             <a href="<?php echo $website['url'] . (substr($website['url'], -1) != '/' ? '/' : '') . '?p=' . $post['id']; ?>"
-                                               target="_blank" 
-                                               title="View '<?php echo $post['title']; ?>'" 
+                                               target="_blank"
+                                               title="View '<?php echo $post['title']; ?>'"
                                                rel="permalink"><?php _e('View Post'); ?></a>
-                                            <?php 
+                                            <?php
                                             echo "</li>";
                                         }
                                         echo "</ol>";
                                     }
-                                }                  
+                                }
                             }
-                        } 
-                    
+                        }
+
                     } else {
                             echo "Child Sites Not Found";
                     }
@@ -127,10 +127,10 @@ public function renderPage() {
             </div>
         <?php
     }
-    
+
     public function admin_init()
     {
-       
+
     }
 }
 
@@ -141,7 +141,7 @@ public function admin_init()
 register_activation_hook(__FILE__, 'mainwp_example_extension_activate');
 
 function mainwp_example_extension_activate()
-{   
+{
     update_option('mainwp_example_extension_activated', 'yes');
 }
 
@@ -160,7 +160,7 @@ public function __construct()
     {
         $this->childFile = __FILE__;
         add_filter('mainwp-getextensions', array(&$this, 'get_this_extension'));
-        
+
         // This filter will return true if the main plugin is activated
         $this->mainwpMainActivated = apply_filters('mainwp-activated-check', false);
 
@@ -170,8 +170,8 @@ public function __construct()
         }
         else
         {
-            //Because sometimes our main plugin is activated after the extension plugin is activated we also have a second step, 
-            //listening to the 'mainwp-activated' action. This action is triggered by MainWP after initialisation. 
+            //Because sometimes our main plugin is activated after the extension plugin is activated we also have a second step,
+            //listening to the 'mainwp-activated' action. This action is triggered by MainWP after initialisation.
             add_action('mainwp-activated', array(&$this, 'activate_this_plugin'));
         }
         add_action('admin_init', array(&$this, 'admin_init'));
@@ -184,9 +184,9 @@ function admin_init() {
             delete_option('mainwp_example_extension_activated');
             wp_redirect(admin_url('admin.php?page=Extensions'));
             return;
-        }        
+        }
     }
-    
+
     function get_this_extension($pArray)
     {
         $pArray[] = array('plugin' => __FILE__,  'api' => 'mainwp-example-extension', 'mainwp' => false, 'callback' => array(&$this, 'settings'));
@@ -195,7 +195,7 @@ function get_this_extension($pArray)
 
     function settings()
     {
-        //The "mainwp-pageheader-extensions" action is used to render the tabs on the Extensions screen. 
+        //The "mainwp-pageheader-extensions" action is used to render the tabs on the Extensions screen.
         //It's used together with mainwp-pagefooter-extensions and mainwp-getextensions
         do_action('mainwp-pageheader-extensions', __FILE__);
         if ($this->childEnabled)
@@ -208,17 +208,17 @@ function settings()
         }
         do_action('mainwp-pagefooter-extensions', __FILE__);
     }
-    
-    //The function "activate_this_plugin" is called when the main is initialized. 
+
+    //The function "activate_this_plugin" is called when the main is initialized.
     function activate_this_plugin()
     {
         //Checking if the MainWP plugin is enabled. This filter will return true if the main plugin is activated.
         $this->mainwpMainActivated = apply_filters('mainwp-activated-check', $this->mainwpMainActivated);
-        
-        // The 'mainwp-extension-enabled-check' hook. If the plugin is not enabled this will return false, 
-        // if the plugin is enabled, an array will be returned containing a key. 
+
+        // The 'mainwp-extension-enabled-check' hook. If the plugin is not enabled this will return false,
+        // if the plugin is enabled, an array will be returned containing a key.
         // This key is used for some data requests to our main
-        $this->childEnabled = apply_filters('mainwp-extension-enabled-check', __FILE__);       
+        $this->childEnabled = apply_filters('mainwp-extension-enabled-check', __FILE__);
 
         $this->childKey = $this->childEnabled['key'];