MAPG-43 initial classes for DB handling

src/Interfaces/Database/IResultSet.php

@@ -0,0 +1,16 @@
+<?php namespace MapGuesser\Interfaces\Database;
+
+interface IResultSet
+{
+    const FETCH_ASSOC = 0;
+
+    const FETCH_NUM = 1;
+
+    const FETCH_BOTH = 2;
+
+    public function fetch(int $type);
+
+    public function fetchAll(int $type);
+
+    public function fetchOneColumn(string $valueName, string $keyName);
+}