add challenge 11(portifolio)

projects/challenge 11/portifolio(work_in_progress)/php/config.php

@@ -0,0 +1,18 @@
+<?php
+// config.php
+$host = '100.125.62.25'; // Change if your MySQL server is elsewhere
+$db   = 'portfolio'; // Change to your database name
+$user = 'portifolio'; // Change to your MySQL username
+$pass = 'S](L8WpeW_(EGyBP'; // Change to your MySQL password
+$charset = 'utf8mb4';
+
+$dsn = "mysql:host=$host;dbname=$db;charset=$charset";
+$options = [
+    PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
+    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+    PDO::ATTR_EMULATE_PREPARES   => false,
+];
+function get_pdo() {
+    global $dsn, $user, $pass, $options;
+    return new PDO($dsn, $user, $pass, $options);
+}