Corrected error that occured after splitting config into separate file.

phpInterface/shoppingList.php

@@ -1,16 +1,16 @@
 <?php
 
+	require_once("shoppingListConfig.php");
+	
 	class DBLink
 	{
-		require_once("shoppingListConfig.php");
-	
 		static $sqlLink = null;
 
 		public static function getDbLink()
 		{
 			if(DBLink::$sqlLink == null)
 			{
-				DBLink::$sqlLink = new mysqli(DBLink::$mysqlserver, DBLink::$mysqluser, DBLink::$mysqlpw, DBLink::$mysqldb, DBLink::$mysqlPort);
+				DBLink::$sqlLink = new mysqli(Configuration::$mysqlserver, Configuration::$mysqluser, Configuration::$mysqlpw, Configuration::$mysqldb, Configuration::$mysqlPort);
 
 				// Verbindung überprüfen
 				if (mysqli_connect_errno())

phpInterface/shoppingListConfig.php

@@ -1,9 +1,11 @@
 <?php
 
-	static $mysqlserver = 'mysql.mydomain';    //Host
-	static $mysqluser = 'shoppingList';           //User [It's recommended to not use root]
-	static $mysqlpw = 'somePassword';                 //Password
-	static $mysqldb = 'shoppingList';       //Database                               
-	static $mysqlPort = 3306;
-
+	class Configuration
+	{
+		public static $mysqlserver = 'mysql.mydomain';    //Host
+		public static $mysqluser = 'shoppingList';           //User [It's recommended to not use root]
+		public static $mysqlpw = 'somePassword';                 //Password
+		public static $mysqldb = 'shoppingList';       //Database                               
+		public static $mysqlPort = 3306;
+	}
 ?>