3 files changed, 10 insertions, 4 deletions
diff --git a/src/application/appdef.php b/src/application/appdef.php
index 6c69ee8..1f51d97 100644
--- a/src/application/appdef.php
+++ b/src/application/appdef.php
@@ -1,3 +1,3 @@
 <?php
 
-const MYSTICBB_VERSION = "0.7.0";
+const MYSTICBB_VERSION = "0.7.1";
diff --git a/src/application/templates/old/base.twig b/src/application/templates/old/base.twig
index bdb9768..bbac643 100644
--- a/src/application/templates/old/base.twig
+++ b/src/application/templates/old/base.twig
@@ -80,6 +80,9 @@
         {{ __("Number of database queries: %count%", {
             count: getQueryCount(),
         }) }}
+        {% if constant("DEBUG") == true %}
+            <br><font color="red"><b>Debug mode</b></font>
+        {% endif %}
     </td>
     <td align="right">
         <table><tr><td>
diff --git a/src/index.php b/src/index.php
index 5350680..8036a19 100644
--- a/src/index.php
+++ b/src/index.php
@@ -27,6 +27,7 @@ if (($_SERVER["HTTP_USER_AGENT"] ?? "") === "") {
 }
 
 define("REGISTRATION_ENABLED", isTrue(env("REGISTRATION_ENABLED") ?? ""));
+define("DEBUG", isTrue(env("DEBUG") ?? ""));
 
 const __ROOT__ = __DIR__;
 
@@ -172,9 +173,11 @@ function render(string $page, array $context = [], array $functions = []): void
     $loader = new FilesystemLoader([
         $templateDir . "/" . $currentTemplate,
     ]);
-    $twig = new Environment($loader, [
-        // TODO Enable caching
-    ]);
+    $twigEnvConfig = [];
+    if (!DEBUG) {
+        $twigEnvConfig["cache"] = sys_get_temp_dir() . DIRECTORY_SEPARATOR . "mybb-template-cache";
+    }
+    $twig = new Environment($loader, $twigEnvConfig);
 
     $twig->addFunction(new TwigFunction("__", __(...), [ "is_safe" => ["html"] ]));
     $twig->addFunction(new TwigFunction("___", ___(...), [ "is_safe" => ["html"] ]));