Merge remote-tracking branch 'origin/master'

src/TourinsoftExtension.php

@@ -56,6 +56,22 @@ class TourinsoftExtension extends SimpleExtension
         ];
     }
 
+    protected function registerTwigFilters()
+    {
+        return [
+            'minuscule'  => 'minusculeFilter',
+        ];
+    }
+
+    /**
+     * @param $input
+     * @return string
+     */
+    public function minusculeFilter($input)
+    {
+        return strtolower($input);
+    }
+
     /**
      * @param Application $app
      */