From dea40f389aea393210a4b92ee06ccbeb25fa6f6d Mon Sep 17 00:00:00 2001
From: Leander <leander.schmedemann@gmail.com>
Date: Mon, 3 Apr 2017 11:01:03 +0200
Subject: [PATCH] T201704031100

---
 Database.php | 4 ++--
 start.php    | 6 ++----
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/Database.php b/Database.php
index 175de4e..02c3ba3 100644
--- a/Database.php
+++ b/Database.php
@@ -21,12 +21,12 @@ class Database
     function query($sql, $params = null) {
         $result = null;
         $error = 0;
-        if($params) {
+        if(isset($params)) {
             $result = pg_query_params($this->db, $sql, $params);
         } else {
             $result = pg_query($this->db, $sql);
         }
-        if(!$result) {
+        if(!isset($result)) {
             $error = 10101;
         }
         if($error == 0) {
diff --git a/start.php b/start.php
index ffc95f9..6710032 100644
--- a/start.php
+++ b/start.php
@@ -34,9 +34,7 @@
         $values = array($questions_count);
     } else {
         // Delete existing game for user.
-        $exists = ($db->query('SELECT EXISTS (SELECT 1 FROM "Games" WHERE "ID" = $1)', array($uid)))['data'][0]['exists'];
-        print_r($exists);
-        if($db->query('SELECT EXISTS (SELECT 1 FROM "Games" WHERE "ID" = $1)', array($uid)) == 't') {
+        if($db->query('SELECT EXISTS (SELECT 1 FROM "Games" WHERE "ID" = $1)', array($uid))['data'][0]['exists'] == 't') {
             $db->query('DELETE FROM "Games" WHERE "ID" = $1', array($uid));
         }
         // Create new game for user.
@@ -44,7 +42,7 @@
         // Find questions for new game and insert into table.
         $questions = random_numbers(0, $questions_count-1, $length);
         foreach($questions as $question) {
-            $q = $db->query('SELECT "ID" FROM "Questions" OFFSET $1 LIMIT 1', array($question));
+            $q = $db->query('SELECT "ID" FROM "Questions" OFFSET $1 LIMIT 1', array($question))['data'][0]['ID'];
             $db->query('INSERT INTO "GamesQuestions" ("Games_ID", "Questions_ID") VALUES ($1, $2)', array($uid, $q));
         }
     }