X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FRender%2FTemplateEngine.php;h=6bfbe31971311a5aa6eb1a95b0eb46d0309341d7;hb=60532ee7e4152af9997e0d7b69c7b35262d5528d;hp=40fbfea6cac98f65102c97dac6e32714055abdfc;hpb=c6ba92c43d664430d2471a0ce7ad727126199d80;p=friendica.git

diff --git a/src/Render/TemplateEngine.php b/src/Render/TemplateEngine.php
index 40fbfea6ca..6bfbe31971 100644
--- a/src/Render/TemplateEngine.php
+++ b/src/Render/TemplateEngine.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2020, Friendica
+ * @copyright Copyright (C) 2010-2022, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -40,6 +40,14 @@ abstract class TemplateEngine
 	 */
 	abstract public function __construct(string $theme, array $theme_info);
 
+	/**
+	 * Checks the template engine is correctly installed and configured and reports error messages in the provided
+	 * parameter or displays them directly if it's null.
+	 *
+	 * @param array|null $errors
+	 */
+	abstract public function testInstall(array &$errors = null);
+
 	/**
 	 * Returns the rendered template output from the template string and variables
 	 *