remove unused variables

2 files changed, 6 insertions, 14 deletions

diff --git a/lib/user/database.php b/lib/user/database.php
index a48b8357d64..cc27b3ddbfd 100644
--- a/lib/user/database.php
+++ b/lib/user/database.php
@@ -39,7 +39,6 @@ require_once 'phpass/PasswordHash.php';
  * Class for user management in a SQL Database (e.g. MySQL, SQLite)
  */
 class OC_User_Database extends OC_User_Backend {
-	static private $userGroupCache=array();
 	/**
 	 * @var PasswordHash
 	 */
@@ -87,7 +86,7 @@ class OC_User_Database extends OC_User_Backend {
 	public function deleteUser( $uid ){
 		// Delete user-group-relation
 		$query = OC_DB::prepare( "DELETE FROM `*PREFIX*users` WHERE uid = ?" );
-		$result = $query->execute( array( $uid ));
+		$query->execute( array( $uid ));
 		return true;
 	}
 
@@ -104,11 +103,10 @@ class OC_User_Database extends OC_User_Backend {
 			$hasher=$this->getHasher();
 			$hash = $hasher->HashPassword($password.OC_Config::getValue('passwordsalt', ''));
 			$query = OC_DB::prepare( "UPDATE *PREFIX*users SET password = ? WHERE uid = ?" );
-			$result = $query->execute( array( $hash, $uid ));
+			$query->execute( array( $hash, $uid ));
 
 			return true;
-		}
-		else{
+		}else{
 			return false;
 		}
 	}
diff --git a/lib/user/example.php b/lib/user/example.php
index 7f3fd1b8578..77246d8136c 100644
--- a/lib/user/example.php
+++ b/lib/user/example.php
@@ -35,9 +35,7 @@ abstract class OC_User_Example extends OC_User_Backend {
 		* Creates a new user. Basic checking of username is done in OC_User
 		* itself, not in its subclasses.
 		*/
-	public function createUser($uid, $password){
-		return OC_USER_BACKEND_NOT_IMPLEMENTED;
-	}
+	abstract public function createUser($uid, $password);
 
 	/**
 		* @brief Set password
@@ -47,9 +45,7 @@ abstract class OC_User_Example extends OC_User_Backend {
 		*
 		* Change the password of a user
 		*/
-	public function setPassword($uid, $password){
-		return OC_USER_BACKEND_NOT_IMPLEMENTED;
-	}
+	abstract public function setPassword($uid, $password);
 
 	/**
 		* @brief Check if the password is correct
@@ -60,7 +56,5 @@ abstract class OC_User_Example extends OC_User_Backend {
 		* Check if the password is correct without logging in the user
 		* returns the user id or false
 		*/
-	public function checkPassword($uid, $password){
-		return OC_USER_BACKEND_NOT_IMPLEMENTED;
-	}
+	abstract public function checkPassword($uid, $password);
 }