diff --git a/core.php b/core.php
new file mode 100644
index 0000000..e58a7eb
--- /dev/null
+++ b/core.php
@@ -0,0 +1,22 @@
+<?php
+// core.php - El fitxer més elemental, estimat Watson
+
+// Get settings
+require(__DIR__.'/config.php');
+
+// Set composer
+require(__DIR__.'/vendor/autoload.php');
+
+// Set timezone and locale accordingly
+date_default_timezone_set('Europe/Madrid');
+
+// Connect to the DB
+$con = new PDO('mysql:host='.$conf['db']['host'].';dbname='.$conf['db']['database'].';charset=utf8mb4', $conf['db']['user'], $conf['db']['password']);
+
+// Session settings
+session_set_cookie_params([
+  'lifetime' => 0,
+  'path' => ($conf['path'] ?? '/'),
+  'httponly' => true
+]);
+session_start();