Initial

Database.php

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+<?php
+
+/**
+ * Created by PhpStorm.
+ * User: leanderschmedemann
+ * Date: 02/03/2017
+ * Time: 09:59
+ */
+class Database
+{
+    private $db;
+
+    function __construct() {
+        $this->db = pg_connect("host=".DATABASE_URL." dbmane=".DATABASE_NAME." user=".DATABASE_USER." password=".DATABASE_PASSWORD);
+    }
+
+    function query($sql) {
+        $result = pg_query($this->db, $sql);
+        if(!$result) {
+            echo json_encode(array("error"=>1));
+            exit;
+        }
+        $arr = pg_fetch_all($result);
+        return $arr;
+    }
+}

config.inc.php

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+<?php
+/**
+ * Created by PhpStorm.
+ * User: leanderschmedemann
+ * Date: 02/03/2017
+ * Time: 09:45
+ */
+
+define("DATABASE_URL", 'lamp.wlan.hwr-berlin.de');
+define("DATABASE_USER", 'gr2');
+define("DATABASE_PASSWORD", '2Au-R2n-cQN-uuG');
+define("DATABASE_NAME", 'CSDB');
+
+// TODO
+?>

includes.inc.php

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+<?php
+/**
+ * Created by PhpStorm.
+ * User: leanderschmedemann
+ * Date: 02/03/2017
+ * Time: 09:47
+ */
+
+//include include files
+
+require_once('config.inc.php');
+require_once('Database.php');
+
+?>

index.php

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+<?php
+/**
+ * Created by PhpStorm.
+ * User: leanderschmedemann
+ * Date: 02/03/2017
+ * Time: 09:43
+ */
+
+echo "This is an API. Specs can be found at /dev/null."
+
+?>

register.php

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+<?php
+/**
+ * Created by PhpStorm.
+ * User: leanderschmedemann
+ * Date: 02/03/2017
+ * Time: 10:23
+ */
+
+    require_once('includes.inc.php');
+
+    $name = $_GET['name'];
+    $database = new Database();
+    $result = $database->query('SELECT * FROM CATEGORIES');
+
+    print nl2br(print_r($name, true));
+    print nl2br(print_r($result, true));
+
+?>