implemented login.php

Config.txt

@@ -30,3 +30,7 @@
 = highscores.php =
 15101 - User ID not specified
 15102 - User ID not existing
+
+= login.php =
+16101 - User ID not specified
+16102 - User ID not existing

Database.php

@@ -66,6 +66,7 @@ class Database
             case 13101:
             case 14102:
             case 15101:
+            case 16101:
                 return 'User ID not specified. This is an internal error.';
             case 12102:
                 return 'A game without a question is not possible. Please select new game length.';
@@ -73,6 +74,7 @@ class Database
                 return 'Sorry, we only have '.$values[0].' questions. Please try again.';
             case 12104:
             case 15102:
+            case 16102:
                 return 'The specified user name does not exist. This is an internal error.';
             case 13102:
                 return 'No valid time specified. This is an internal error.';

login.php

@@ -0,0 +1,25 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: leanderschmedemann
+ * Date: 29/03/2017
+ * Time: 20:54
+ */
+
+require_once('includes.inc.php');
+$data = '';
+$error = 0;
+$uid = isset($_GET['uid']) ? $_GET['uid'] : '';
+$db = new Database();
+
+if($uid == '') {
+    $error = 16101;
+} else {
+    $uid_exists = $db->query('SELECT EXISTS FROM "Users" WHERE "ID" = $1', array($uid))['data'][0]['exists'];
+    if ($uid_exists == 't') {
+        $error = 16102;
+    } else {
+        $name = $db->query('SELECT "name" FROM "Users" WHERE "ID" = $1', array($uid))['data'][0]['name'];
+    }
+}
+?>