Implement simple PHP based view renderer

src/View/BaseView.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Ardent\Undercurrent\View;
+
+use Ardent\Undercurrent\AppConfig;
+use Ardent\Undercurrent\Http\GenericResponse;
+use Ardent\Undercurrent\Http\ResponseInterface;
+
+class BaseView implements ViewInterface
+{
+    public function __construct(
+        private readonly string  $path,
+        private readonly array   $data = [],
+        private ?string $extends = null,
+    )
+    {
+    }
+
+    public function render(AppConfig $config): string
+    {
+        $path = $config->getRootPath() . $this->path;
+
+        ob_start();
+        include $path;
+        $output = ob_get_clean();
+        if ($this->extends) {
+            $output = (new BaseView($this->extends, $this->data + ['slot' => $output]))->render($config);
+        }
+
+        return $output;
+    }
+}