N°6644 - Tests: Add static analysis for PHP (#536)

tests/php-static-analysis/config/php-includes/set-php-version-from-process.php

@@ -0,0 +1,24 @@
+<?php
+/*
+ * @copyright   Copyright (C) 2010-2023 Combodo SARL
+ * @license     http://opensource.org/licenses/AGPL-3.0
+ */
+
+declare(strict_types = 1);
+
+/**
+ * This file is only here to allow setting a specific PHP version to run the analysis for without
+ * having to explicitly set it in the .neon file. This is the best way we found so far.
+ *
+ * @link https://phpstan.org/config-reference#phpversion
+ *
+ * Usage: Uses the CLI PHP version by default, which would work fine for
+ *   - The CI as the docker image has the target PHP version in both CLI and web
+ *   - The developer's IDE as PHPStorm also has a default PHP version configured which can be changed on the fly
+ */
+
+// Default PHP version to analyse is the one running in CLI
+$config = [];
+$config['parameters']['phpVersion'] = PHP_VERSION_ID;
+
+return $config;