diff --git a/examples/block_list.php b/examples/block_list.php
index 1eeb58a..f8c4ecb 100755
--- a/examples/block_list.php
+++ b/examples/block_list.php
@@ -24,12 +24,12 @@ require_once('vendor/autoload.php');
  * see the config.template.php file for an example
  */
 require_once('config.php');
-
 $debug = false;
+
 /**
  * the MAC address(es) of the device(s) to block
  */
-$macs_to_block = explode(',',$argv[1]);
+$macs_to_block = explode(',', $argv[1]);
 
 /**
  * The site to authorize the device with
@@ -49,7 +49,7 @@ $loginresults     = $unifi_connection->login(); // always true regardless of sit
 
 foreach ($macs_to_block as &$mac) {
     // block_result is always true even if mac address does not exist :(
-    $block_result   = $unifi_connection->block_sta($mac);
+    $block_result = $unifi_connection->block_sta($mac);
 
     /**
      * NOTE:
@@ -61,7 +61,7 @@ foreach ($macs_to_block as &$mac) {
      */
     sleep(1);
 
-    $getid_result   = $unifi_connection->stat_client($mac);
+    $getid_result = $unifi_connection->stat_client($mac);
 
     if (property_exists($getid_result[0], "oui")) {
         // this field(manufacturer) seems to exist on valid mac addresses
diff --git a/examples/change_super_mgmt.php b/examples/change_super_mgmt.php
index 31d4a69..95347e1 100755
--- a/examples/change_super_mgmt.php
+++ b/examples/change_super_mgmt.php
@@ -33,10 +33,10 @@ $site_settings    = $unifi_connection->list_settings();
 $super_mgmt_settings = [];
 $super_mgmt_settings_id = '';
 
-if(!empty($site_settings)) {
+if (!empty($site_settings)) {
     foreach($site_settings as $section) {
         echo 'section key: ' . $section->key . PHP_EOL;
-        if($section->key === 'super_mgmt') {
+        if ($section->key === 'super_mgmt') {
             $super_mgmt_settings = $section;
             $super_mgmt_settings_id = $section->_id;
         }
diff --git a/examples/extend_guest_auth.php b/examples/extend_guest_auth.php
index a49d017..dec301e 100755
--- a/examples/extend_guest_auth.php
+++ b/examples/extend_guest_auth.php
@@ -17,7 +17,9 @@ require_once('vendor/autoload.php');
  */
 require_once('config.php');
 
-// must be adapted to your site!
+/**
+ * must be adapted to your site!
+ */
 $site_id   = "default";
 $site_name = "*enter your site name*";
 
@@ -29,18 +31,39 @@ if ($loginresults === 400) {
     print "UniFi controller login failure, please check your credentials in config.php.\n";
 } else {
     $guestlist = $unifi_connection->list_guests();
-    // loop thru all known guests
+
+    /**
+     * loop thru all known guests
+     */
     foreach ($guestlist as $guest) {
         print "<pre>" . $guest->_id . " (" . $guest->mac . "), valid until " . date(DATE_ATOM, $guest->end) . " (" . $guest->end . ")</pre>";
 
-        // just a sample: only extend validity of guests which have end date after 2017-04-02
+        /**
+         * just a sample: only extend validity of guests which have end date after 2017-04-02
+         */
         if ($guest->end > 1491166482) {
-            // extend clients five times = five days
-            if (!$unifi_connection->extend_guest_validity($guest->_id)) print "Extend failed for guest with id " . $guest->_id . "\n";
-            if (!$unifi_connection->extend_guest_validity($guest->_id)) print "Extend failed for guest with id " . $guest->_id . "\n";
-            if (!$unifi_connection->extend_guest_validity($guest->_id)) print "Extend failed for guest with id " . $guest->_id . "\n";
-            if (!$unifi_connection->extend_guest_validity($guest->_id)) print "Extend failed for guest with id " . $guest->_id . "\n";
-            if (!$unifi_connection->extend_guest_validity($guest->_id)) print "Extend failed for guest with id " . $guest->_id . "\n";
+            /**
+             * extend clients five times = five days
+             */
+            if (!$unifi_connection->extend_guest_validity($guest->_id)) {
+                print "Extend failed for guest with id " . $guest->_id . "\n";
+            }
+
+            if (!$unifi_connection->extend_guest_validity($guest->_id)) {
+                print "Extend failed for guest with id " . $guest->_id . "\n";
+            }
+
+            if (!$unifi_connection->extend_guest_validity($guest->_id)) {
+                print "Extend failed for guest with id " . $guest->_id . "\n";
+            }
+
+            if (!$unifi_connection->extend_guest_validity($guest->_id)) {
+                print "Extend failed for guest with id " . $guest->_id . "\n";
+            }
+
+            if (!$unifi_connection->extend_guest_validity($guest->_id)) {
+                {print "Extend failed for guest with id " . $guest->_id . "\n";
+            }
         }
     }
 
diff --git a/examples/unblock_list.php b/examples/unblock_list.php
index 0b04a0e..eef89d1 100755
--- a/examples/unblock_list.php
+++ b/examples/unblock_list.php
@@ -24,8 +24,8 @@ require_once('vendor/autoload.php');
  * see the config.template.php file for an example
  */
 require_once('config.php');
+$debug = false;
 
-$debug=false;
 /**
  * the MAC addresses of the device(s) to unblock
  */