Extrait la fonction "irstea_plantmul_include" dans un fichier séparé.

composer.json

@@ -15,7 +15,8 @@
         "source": "https://gitlab.irstea.fr/pole-is/bundles/plantuml-bundle/tree/master"
     },
     "autoload": {
-        "psr-4": { "Irstea\\PlantUmlBundle\\": "src/" }
+        "psr-4": { "Irstea\\PlantUmlBundle\\": "src/" },
+        "files": ["src/functions.php"]
     },
     "minimum-stability": "stable",
     "autoload-dev": {

src/Finder/ClassFinder.php

@@ -76,8 +76,3 @@ class ClassFinder implements FinderInterface
         $conf['directories'] = $this->directories;
     }
 }
-
-function irstea_plantmul_include($filepath)
-{
-    @include_once $filepath;
-}

src/functions.php

+<?php declare(strict_types=1);
+/*
+ * Copyright (C) 2016-2017 IRSTEA
+ * All rights reserved.
+ */
+
+/**
+ * @param string $filepath
+ */
+function irstea_plantmul_include($filepath)
+{
+    /* @noinspection UsingInclusionOnceReturnValueInspection */
+    @include_once $filepath;
+}