Add Twig support

Add basic support for Twig template engine

Signed-off-by: Maurício Meneghini Fauth <mauriciofauth@gmail.com>

.gitignore

@@ -10,6 +10,8 @@
 /tmp/
 # For setup script
 /config/
+# Template cache
+/templates/cache/
 # ctags
 tags
 # Editor files

composer.json

@@ -36,7 +36,8 @@
         "phpmyadmin/motranslator": "^3.0",
         "phpmyadmin/shapefile": "^2.0",
         "phpseclib/phpseclib": "^2.0",
-        "google/recaptcha": "^1.1"
+        "google/recaptcha": "^1.1",
+        "twig/twig": "^2.2"
     },
     "conflict": {
         "tecnickcom/tcpdf": "<6.2"

libraries/Template.php

@@ -31,6 +31,16 @@ class Template
      */
     protected $helperFunctions;
 
+    /**
+     * Twig loader
+     */
+    protected $loader;
+
+    /**
+     * Twig environment
+     */
+    protected $environment;
+
     const BASE_PATH = 'templates/';
 
     /**
@@ -45,6 +55,10 @@ class Template
         $this->name = $name;
         $this->data = $data;
         $this->helperFunctions = $helperFunctions;
+        $this->loader = new \Twig_Loader_Filesystem(static::BASE_PATH);
+        $this->environment = new \Twig_Environment($this->loader, array(
+            'cache' => static::BASE_PATH . 'cache',
+        ));
     }
 
     /**
@@ -139,7 +153,15 @@ class Template
      */
     public function render($data = array(), $helperFunctions = array())
     {
-        $template = static::BASE_PATH . $this->name . '.phtml';
+        $template = static::BASE_PATH . $this->name;
+
+        if (file_exists($template . '.twig')) {
+            $this->set($data);
+            return $this->environment->load($this->name . '.twig')
+                ->render($this->data);
+        }
+
+        $template = $template . '.phtml';
         try {
             $this->set($data);
             $this->helperFunctions = array_merge(