Code refactoring (add autoloader and change files organization)

app/Core/Template.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace Core;
+
+/**
+ * Template class
+ *
+ * @package core
+ * @author  Frederic Guillot
+ */
+class Template
+{
+    /**
+     * Template path
+     *
+     * @var string
+     */
+    const PATH = 'app/Templates/';
+
+    /**
+     * Load a template
+     *
+     * Example:
+     *
+     * $template->load('template_name', ['bla' => 'value']);
+     *
+     * @access public
+     * @return string
+     */
+    public function load()
+    {
+        if (func_num_args() < 1 || func_num_args() > 2) {
+            die('Invalid template arguments');
+        }
+
+        if (! file_exists(self::PATH.func_get_arg(0).'.php')) {
+            die('Unable to load the template: "'.func_get_arg(0).'"');
+        }
+
+        if (func_num_args() === 2) {
+
+            if (! is_array(func_get_arg(1))) {
+                die('Template variables must be an array');
+            }
+
+            extract(func_get_arg(1));
+        }
+
+        ob_start();
+
+        include self::PATH.func_get_arg(0).'.php';
+
+        return ob_get_clean();
+    }
+
+    /**
+     * Render a page layout
+     *
+     * @access public
+     * @param  string   $template_name   Template name
+     * @param  array    $template_args   Key/value map
+     * @param  string   $layout_name     Layout name
+     * @return string
+     */
+    public function layout($template_name, array $template_args = array(), $layout_name = 'layout')
+    {
+        return $this->load(
+            $layout_name,
+            $template_args + array('content_for_layout' => $this->load($template_name, $template_args))
+        );
+    }
+}