diff --git a/lib/Cron/Workers/Scheduler.php b/lib/Cron/Workers/Scheduler.php
index d1083050d4..258556833a 100644
--- a/lib/Cron/Workers/Scheduler.php
+++ b/lib/Cron/Workers/Scheduler.php
@@ -154,7 +154,7 @@ class Scheduler {
       $queue->delete();
       return false;
     }
-    $wp_user = (array) get_userdata($subscriber->wp_user_id);
+    $wp_user = (array)get_userdata($subscriber->wp_user_id);
     if($newsletter->role !== \MailPoet\Newsletter\Scheduler\Scheduler::WORDPRESS_ALL_ROLES
       && !in_array($newsletter->role, $wp_user['roles'])
     ) {
diff --git a/lib/Cron/Workers/SendingQueue/SendingQueue.php b/lib/Cron/Workers/SendingQueue/SendingQueue.php
index d2ddf7ac17..02eae97ebd 100644
--- a/lib/Cron/Workers/SendingQueue/SendingQueue.php
+++ b/lib/Cron/Workers/SendingQueue/SendingQueue.php
@@ -181,8 +181,8 @@ class SendingQueue {
         $newsletter->setStatus(NewsletterModel::STATUS_SENT);
       }
     }
-    $queue->subscribers = serialize((array) $queue->subscribers);
+    $queue->subscribers = serialize((array)$queue->subscribers);
     $queue->save();
     return $queue;
   }
-}
\ No newline at end of file
+}
diff --git a/lib/Cron/Workers/SendingQueue/Tasks/Mailer.php b/lib/Cron/Workers/SendingQueue/Tasks/Mailer.php
index c07ada3aea..6c81b1aff0 100644
--- a/lib/Cron/Workers/SendingQueue/Tasks/Mailer.php
+++ b/lib/Cron/Workers/SendingQueue/Tasks/Mailer.php
@@ -84,9 +84,9 @@ class Mailer {
 
   function checkSendingLimit() {
     if($this->mta_config['method'] === 'MailPoet') return;
-    $frequency_interval = (int) $this->mta_config['frequency']['interval'] * 60;
-    $frequency_limit = (int) $this->mta_config['frequency']['emails'];
-    $elapsed_time = time() - (int) $this->mta_log['started'];
+    $frequency_interval = (int)$this->mta_config['frequency']['interval'] * 60;
+    $frequency_limit = (int)$this->mta_config['frequency']['emails'];
+    $elapsed_time = time() - (int)$this->mta_log['started'];
     if($this->mta_log['sent'] === $frequency_limit &&
       $elapsed_time <= $frequency_interval
     ) {
@@ -100,4 +100,4 @@ class Mailer {
       Setting::setValue('mta_log', $this->mta_log);
     }
   }
-}
\ No newline at end of file
+}
diff --git a/lib/Cron/Workers/SendingQueue/Tasks/Newsletter.php b/lib/Cron/Workers/SendingQueue/Tasks/Newsletter.php
index da22e508b0..ec22e4b2a7 100644
--- a/lib/Cron/Workers/SendingQueue/Tasks/Newsletter.php
+++ b/lib/Cron/Workers/SendingQueue/Tasks/Newsletter.php
@@ -18,7 +18,7 @@ class Newsletter {
   public $tracking_image_inserted;
 
   function __construct() {
-    $this->tracking_enabled = (boolean) Setting::getValue('tracking.enabled');
+    $this->tracking_enabled = (boolean)Setting::getValue('tracking.enabled');
     $this->tracking_image_inserted = false;
   }
 
@@ -103,4 +103,4 @@ class Newsletter {
       )
     );
   }
-}
\ No newline at end of file
+}
diff --git a/lib/Newsletter/Shortcodes/Categories/Date.php b/lib/Newsletter/Shortcodes/Categories/Date.php
index dfa7ef9dda..4c77d1456e 100644
--- a/lib/Newsletter/Shortcodes/Categories/Date.php
+++ b/lib/Newsletter/Shortcodes/Categories/Date.php
@@ -14,4 +14,4 @@ class Date {
     );
     return (isset($actions[$action])) ? $actions[$action] : false;
   }
-}
\ No newline at end of file
+}
diff --git a/lib/Newsletter/Shortcodes/Categories/Link.php b/lib/Newsletter/Shortcodes/Categories/Link.php
index 1f9e88e525..b6564ccdf1 100644
--- a/lib/Newsletter/Shortcodes/Categories/Link.php
+++ b/lib/Newsletter/Shortcodes/Categories/Link.php
@@ -90,7 +90,7 @@ class Link {
   }
 
   static function processUrl($action, $url, $queue) {
-    return ($queue !== false && (boolean) Setting::getValue('tracking.enabled')) ?
+    return ($queue !== false && (boolean)Setting::getValue('tracking.enabled')) ?
       self::getShortcode($action) :
       $url;
   }
@@ -101,7 +101,7 @@ class Link {
     switch($shortcode_action) {
       case 'subscription_unsubscribe_url':
         // track unsubscribe event
-        if((boolean) Setting::getValue('tracking.enabled')) {
+        if((boolean)Setting::getValue('tracking.enabled')) {
           $unsubscribe = new Unsubscribes();
           $unsubscribe->track($newsletter['id'], $subscriber['id'], $queue['id']);
         }
@@ -131,4 +131,4 @@ class Link {
   private static function getShortcode($action) {
     return sprintf('[link:%s]', $action);
   }
-}
\ No newline at end of file
+}
diff --git a/lib/Newsletter/Shortcodes/Categories/Newsletter.php b/lib/Newsletter/Shortcodes/Categories/Newsletter.php
index 576369b777..c58c89bfef 100644
--- a/lib/Newsletter/Shortcodes/Categories/Newsletter.php
+++ b/lib/Newsletter/Shortcodes/Categories/Newsletter.php
@@ -59,4 +59,4 @@ class Newsletter {
       $posts->posts[0]->to_array() :
       false;
   }
-}
\ No newline at end of file
+}
diff --git a/lib/Newsletter/ViewInBrowser.php b/lib/Newsletter/ViewInBrowser.php
index 4ff32123ad..0b43e27dfb 100644
--- a/lib/Newsletter/ViewInBrowser.php
+++ b/lib/Newsletter/ViewInBrowser.php
@@ -58,7 +58,7 @@ class ViewInBrowser {
       $queue
     );
     $rendered_newsletter = $shortcodes->replace($newsletter_body['html']);
-    if($queue && (boolean) Setting::getValue('tracking.enabled')) {
+    if($queue && (boolean)Setting::getValue('tracking.enabled')) {
       $rendered_newsletter = Links::replaceSubscriberData(
         $newsletter->id,
         $subscriber->id,
@@ -73,4 +73,4 @@ class ViewInBrowser {
     header('HTTP/1.0 404 Not Found');
     exit;
   }
-}
\ No newline at end of file
+}
diff --git a/lib/Segments/WP.php b/lib/Segments/WP.php
index 8bef25eaea..483780bc9f 100644
--- a/lib/Segments/WP.php
+++ b/lib/Segments/WP.php
@@ -62,7 +62,7 @@ class WP {
           if($schedule_welcome_newsletter === true) {
             Scheduler::scheduleWPUserWelcomeNotification(
               $subscriber->id,
-              (array) $wp_user,
+              (array)$wp_user,
               $old_wp_user_data
             );
           }
@@ -88,4 +88,4 @@ class WP {
 
     return true;
   }
-}
\ No newline at end of file
+}
diff --git a/lib/Util/Helpers.php b/lib/Util/Helpers.php
index 31f97767d1..e30dc5d465 100644
--- a/lib/Util/Helpers.php
+++ b/lib/Util/Helpers.php
@@ -10,13 +10,13 @@ class Helpers {
     switch(substr($maxPostSize, -1)) {
       case 'M':
       case 'm':
-        return (int) $maxPostSize * 1048576;
+        return (int)$maxPostSize * 1048576;
       case 'K':
       case 'k':
-        return (int) $maxPostSize * 1024;
+        return (int)$maxPostSize * 1024;
       case 'G':
       case 'g':
-        return (int) $maxPostSize * 1073741824;
+        return (int)$maxPostSize * 1073741824;
       default:
         return $maxPostSize;
     }
@@ -67,13 +67,13 @@ class Helpers {
       return false;
     }
     $paramsInput = $params[0];
-    $paramsColumnKey = ($params[1] !== null) ? (string) $params[1] : null;
+    $paramsColumnKey = ($params[1] !== null) ? (string)$params[1] : null;
     $paramsIndexKey = null;
     if(isset($params[2])) {
       if(is_float($params[2]) || is_int($params[2])) {
-        $paramsIndexKey = (int) $params[2];
+        $paramsIndexKey = (int)$params[2];
       } else {
-        $paramsIndexKey = (string) $params[2];
+        $paramsIndexKey = (string)$params[2];
       }
     }
     $resultArray = array();
@@ -82,7 +82,7 @@ class Helpers {
       $keySet = $valueSet = false;
       if($paramsIndexKey !== null && array_key_exists($paramsIndexKey, $row)) {
         $keySet = true;
-        $key = (string) $row[$paramsIndexKey];
+        $key = (string)$row[$paramsIndexKey];
       }
       if($paramsColumnKey === null) {
         $valueSet = true;
@@ -123,4 +123,4 @@ class Helpers {
   static function splitObject($object = array()) {
     return explode(self::DIVIDER, $object);
   }
-}
\ No newline at end of file
+}