diff --git a/app/code/Transport/Email.php b/app/code/Transport/Email.php
index 1ce2b4b..9691bf4 100644
--- a/app/code/Transport/Email.php
+++ b/app/code/Transport/Email.php
@@ -157,6 +157,11 @@ class Email extends TransportAbstract
         $this->encoding = $this->config['encoding'];
     }
 
+	/**
+	 * @param array $files
+	 * 
+	 * @return $this
+	 */ 
     private function setFiles($files = array())
     {
         if (is_array($files) && !empty($files)) {
@@ -165,6 +170,11 @@ class Email extends TransportAbstract
         return $this;
     }
 
+	/**
+	 * @param array $streams
+	 * 
+	 * @return $this
+	 */ 
     private function setStreams($streams = array())
     {
         if (is_array($streams) && !empty($streams)) {
@@ -240,5 +250,3 @@ Content-Disposition: attachment; filename=" . $name . "
     }
 
 }
-
-?>
diff --git a/app/code/Transport/FTP.php b/app/code/Transport/FTP.php
index 9957bd9..6a909db 100644
--- a/app/code/Transport/FTP.php
+++ b/app/code/Transport/FTP.php
@@ -51,6 +51,9 @@ class Ftp extends TransportAbstract
         return $this;
     }
     
+    /**
+     * @return bool
+     */
     public function send()
     {
         $sent = true;
@@ -82,6 +85,8 @@ class Ftp extends TransportAbstract
         if (!$sent) {
             throw new \Exception('At least an upload didnt work.');
         }
+        
+        return $sent;
     }
     
     public function __destruct()
diff --git a/app/code/Transport/Folder.php b/app/code/Transport/Folder.php
index bc761c6..d167727 100644
--- a/app/code/Transport/Folder.php
+++ b/app/code/Transport/Folder.php
@@ -7,7 +7,7 @@ use Shikiryu\Backup\Backup\BackupAbstract;
 
 class Folder extends TransportAbstract
 {
-
+	/** @var string */
     protected $folder;
 
     public function __construct(BackupAbstract $backup, array $config = array())
@@ -21,6 +21,7 @@ class Folder extends TransportAbstract
 
     /**
      * @return bool
+     * 
      * @throws \Exception
      */
     public function send()
diff --git a/app/code/Transport/SFTP.php b/app/code/Transport/SFTP.php
index 0a444a0..2adb348 100644
--- a/app/code/Transport/SFTP.php
+++ b/app/code/Transport/SFTP.php
@@ -6,13 +6,17 @@ use phpseclib\Net\SFTP as LibSFTP;
 
 class Sftp extends TransportAbstract
 {
-
+	/** @var string */
     protected $host;
+    /** @var int */
     protected $port = 22;
+    /** @var string */
     protected $login;
+    /** @var string */
     protected $password;
+    /** @var string */
     protected $folder;
-
+	/** @var LibSFTP */
     private $connection;
 
     /**
@@ -32,6 +36,7 @@ class Sftp extends TransportAbstract
 
     /**
      * @return bool
+     * 
      * @throws \Exception
      */
     public function send()
diff --git a/app/code/Transport/TransportAbstract.php b/app/code/Transport/TransportAbstract.php
index ebefe7f..00cedf3 100644
--- a/app/code/Transport/TransportAbstract.php
+++ b/app/code/Transport/TransportAbstract.php
@@ -7,7 +7,9 @@ use Shikiryu\Backup\Backup\BackupAbstract;
 abstract class TransportAbstract
 {
 
+	/** @var BackupAbstract */
     protected $backup;
+    /** @var array */
     protected $config;
 
     public function __construct(BackupAbstract $backup, array $config)
diff --git a/app/code/backup/BackupAbstract.php b/app/code/backup/BackupAbstract.php
index d00d7cf..69b623f 100644
--- a/app/code/backup/BackupAbstract.php
+++ b/app/code/backup/BackupAbstract.php
@@ -4,7 +4,7 @@ namespace Shikiryu\Backup\Backup;
 
 abstract class BackupAbstract
 {
-
+	/** @var array */
     protected $options;
     /** @var string[] */
     protected $_filesToBackup = [];
@@ -75,6 +75,9 @@ abstract class BackupAbstract
         return true;
     }
 
+	/**
+	 * Initialize everything
+	 */
     protected function init()
     {
         $this->preBuild();
@@ -82,10 +85,24 @@ abstract class BackupAbstract
         $this->postBuild();
         $this->applyOptions();
     }
-
+	
+	/**
+	 * Function that can be used to initialize the backup
+	 */
     abstract protected function preBuild();
+    /**
+	 * Function that can be used after the backup
+	 */
     abstract protected function postBuild();
+    /**
+	 * Mandatory function doing the backup
+	 */
     abstract protected function build();
+    /**
+	 * Check if the backup is valid
+	 * 
+	 * @return bool
+	 */
     abstract public function isValid();
 
     /**
@@ -204,7 +221,10 @@ abstract class BackupAbstract
 
     /**
      * @param $name
+     * 
      * @throws \Exception
+     * 
+     * @SuppressWarnings("unused")
      */
     protected function setOptionName($name)
     {
@@ -214,5 +234,3 @@ abstract class BackupAbstract
     }
 
 }
-
-?>
diff --git a/app/code/backup/Files.php b/app/code/backup/Files.php
index ff01b2d..a2b3b70 100644
--- a/app/code/backup/Files.php
+++ b/app/code/backup/Files.php
@@ -21,6 +21,13 @@ class Files extends BackupAbstract
         parent::__construct($config);
     }
 
+	/**
+	 * Check if the backup is valid
+	 * 
+	 * @return bool
+	 * 
+	 * @SuppressWarnings("unused")
+	 */
     public function isValid()
     {
         $result = true;
@@ -32,17 +39,26 @@ class Files extends BackupAbstract
         }
         return $result;
     }
-
+	
+	/**
+	 * Function that can be used to initialize the backup
+	 */
     protected function preBuild()
     {
         // TODO: Implement preBuild() method.
     }
 
+	 /**
+	 * Function that can be used after the backup
+	 */
     protected function postBuild()
     {
         // TODO: Implement postBuild() method.
     }
 
+	/**
+	 * Mandatory function doing the backup
+	 */
     protected function build()
     {
         // TODO: Implement build() method.
diff --git a/app/code/backup/Folder.php b/app/code/backup/Folder.php
index f68e8e0..a36a4b5 100644
--- a/app/code/backup/Folder.php
+++ b/app/code/backup/Folder.php
@@ -18,16 +18,25 @@ class Folder extends BackupAbstract
         // TODO: Implement isValid() method.
     }
 
+	/**
+	 * Function that can be used to initialize the backup
+	 */
     protected function preBuild()
     {
         // TODO: Implement preBuild() method.
     }
 
+	 /**
+	 * Function that can be used after the backup
+	 */
     protected function postBuild()
     {
         // TODO: Implement postBuild() method.
     }
 
+	/**
+	 * Mandatory function doing the backup
+	 */
     protected function build()
     {
         // TODO: Implement build() method.
diff --git a/app/code/backup/Mysql.php b/app/code/backup/Mysql.php
index 897dafb..b0cd461 100644
--- a/app/code/backup/Mysql.php
+++ b/app/code/backup/Mysql.php
@@ -100,16 +100,25 @@ class Mysql extends BackupAbstract
         return !empty($this->_streamsToBackup);
     }
 
+	/**
+	 * Function that can be used to initialize the backup
+	 */
     protected function preBuild()
     {
         $this->pdo = new \PDO('mysql:host='.$this->host.';dbname='.$this->database, $this->login, $this->pwd);
     }
 
+	 /**
+	 * Function that can be used after the backup
+	 */
     protected function postBuild()
     {
         // TODO: Implement postBuild() method.
     }
 
+	/**
+	 * Mandatory function doing the backup
+	 */
     protected function build()
     {
         empty($this->tables) || $this->tables == '*' ? $this->everything() : $this->fromTables($this->tables);