Test that it cannot read functions

Author: Bellangelo

composer.json

@@ -9,7 +9,7 @@
     },
     "require": {
         "php": ">=7.4",
-        "phpstan/phpstan": "^1.11",
+        "phpstan/phpstan": "^1.11"
     },
     "license": "Apache-2.0",
     "autoload": {

tests/files/included_file_does_not_exist_but_uses_a_function.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+function getFileThatDoesNotExist(): string
+{
+    return 'a_file_that_does_not_exist.txt';
+}
+
+include __DIR__ . '/' . getFileThatDoesNotExist();
+include_once __DIR__ . '/' . getFileThatDoesNotExist();
+require __DIR__ . '/' . getFileThatDoesNotExist();
+require_once __DIR__ . '/' . getFileThatDoesNotExist();