diff --git a/system/libs/usage_statistics.php b/system/libs/usage_statistics.php
index beae5ce1..0002c1c7 100644
--- a/system/libs/usage_statistics.php
+++ b/system/libs/usage_statistics.php
@@ -11,10 +11,10 @@ defined('MYAAC') or die('Direct access not allowed!');
 
 class Usage_Statistics {
 	private static $report_url = 'https://my-aac.org/report_usage.php';
-	
+
 	public static function report() {
 		$data = json_encode(self::getStats());
-		
+
 		$options = array(
 			'http' => array(
 				'header'  => 'Content-type: application/json' . "\r\n"
@@ -22,7 +22,7 @@ class Usage_Statistics {
 				'content' => $data
 			)
 		);
-		
+
 		$context  = stream_context_create($options);
 		$result = file_get_contents(self::$report_url, false, $context);
 
@@ -31,12 +31,12 @@ class Usage_Statistics {
 
 	public static function getStats() {
 		global $config, $db;
-		
+
 		$ret = array();
-		
+
 		$ret['unique_id'] = hash('sha1', $config['server_path']);
 		$ret['server_os'] = php_uname('s') . ' ' . php_uname('r');
-		
+
 		$ret['myaac_version'] = MYAAC_VERSION;
 		$ret['myaac_db_version'] = DATABASE_VERSION;
 
@@ -47,17 +47,17 @@ class Usage_Statistics {
 				$ret['otserv_db_version'] = $query['value'];
 			}
 		}
-		
+
 		$ret['client_version'] = $config['client'];
-		
+
 		$ret['php_version'] = phpversion();
-		
+
 		$query = $db->query('SELECT VERSION() as `version`;');
 		if($query->rowCount() == 1) {
 			$query = $query->fetch();
 			$ret['mysql_version'] = $query['version'];
 		}
-		
+
 		$query = $db->query('SELECT SUM(ROUND(((DATA_LENGTH + INDEX_LENGTH) / 1024 ), 0)) AS "size"
 FROM INFORMATION_SCHEMA.TABLES
 WHERE TABLE_SCHEMA = "' . $config['database_name'] . '";');
@@ -66,33 +66,33 @@ WHERE TABLE_SCHEMA = "' . $config['database_name'] . '";');
 			$query = $query->fetch();
 			$ret['database_size'] = $query['size'];
 		}
-		
+
 		$ret['views_counter'] = getDatabaseConfig('views_counter');
-		
+
 		$query = $db->query('SELECT COUNT(`id`) as `size` FROM `accounts`;');
 		if($query->rowCount() == 1) {
 			$query = $query->fetch();
 			$ret['accounts_size'] = $query['size'];
 		}
-		
+
 		$query = $db->query('SELECT COUNT(`id`) as `size` FROM `players`;');
 		if($query->rowCount() == 1) {
 			$query = $query->fetch();
 			$ret['players_size'] = $query['size'];
 		}
-		
+
 		$query = $db->query('SELECT COUNT(`id`) as `size` FROM `' . TABLE_PREFIX . 'monsters`;');
 		if($query->rowCount() == 1) {
 			$query = $query->fetch();
 			$ret['monsters_size'] = $query['size'];
 		}
-		
+
 		$query = $db->query('SELECT COUNT(`id`) as `size` FROM `' . TABLE_PREFIX . 'spells`;');
 		if($query->rowCount() == 1) {
 			$query = $query->fetch();
 			$ret['spells_size'] = $query['size'];
 		}
-		
+
 		$ret['locales'] = get_locales();
 		$ret['plugins'] = array();
 		foreach(get_plugins() as $plugin) {
@@ -105,15 +105,15 @@ WHERE TABLE_SCHEMA = "' . $config['database_name'] . '";');
 			}
 		}
 		$ret['templates'] = get_templates();
-		
+
 		$ret['date_timezone'] = $config['date_timezone'];
 		$ret['backward_support'] = $config['backward_support'];
-		
+
 		$cache_engine = strtolower($config['cache_engine']);
 		if($cache_engine == 'auto') {
 			$cache_engine = Cache::detect();
 		}
-		
+
 		$ret['cache_engine'] = $cache_engine;
 		return $ret;
 	}