Setup PHPStan at level 1

.gitattributes

@@ -1,8 +1,12 @@
 * text=auto
 /.github/ export-ignore
+/.phpstan/ export-ignore
 /Tests/ export-ignore
 /.gitattributes export-ignore
 /.github_changelog_generator export-ignore
 /.php_cs.dist export-ignore
 /.scrutinizer.yml export-ignore
+/.styleci.yml export-ignore
+/.travis.yml export-ignore
+/.phpstan.neon.dist export-ignore
 /.phpunit.xml.dist export-ignore

.gitignore

@@ -4,6 +4,7 @@
 /bin/
 /composer.lock
 /composer.phar
+/phpstan.neon
 /phpunit.xml
 /Tests/Functional/app/public/media/cache
 /Tests/Functional/app/web/media/cache

.phpstan/baseline.neon

@@ -0,0 +1,9 @@
+parameters:
+    ignoreErrors:
+        - message: '#^Access to undefined constant Liip\\ImagineBundle\\Config\\Filter\\Type\\FilterAbstract::NAME\.$#'
+          paths:
+              - ../Config/Filter/Type/FilterAbstract.php
+        - message: '#^Unsafe usage of new static\(\)\.$#'
+          paths:
+              - ../Async/CacheResolved.php
+              - ../Async/ResolveCache.php

.phpstan/stubs/Event.stub

@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\EventDispatcher;
+
+/**
+ * @deprecated since Symfony 4.3, use "Symfony\Contracts\EventDispatcher\Event" instead
+ */
+class Event
+{
+    private $propagationStopped = false;
+
+    /**
+     * @return bool Whether propagation was already stopped for this event
+     *
+     * @deprecated since Symfony 4.3, use "Symfony\Contracts\EventDispatcher\Event" instead
+     */
+    public function isPropagationStopped()
+    {
+        return $this->propagationStopped;
+    }
+
+    /**
+     * @deprecated since Symfony 4.3, use "Symfony\Contracts\EventDispatcher\Event" instead
+     */
+    public function stopPropagation()
+    {
+        $this->propagationStopped = true;
+    }
+}

.phpstan/stubs/ExtensionGuesserInterface.stub

@@ -0,0 +1,31 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\File\MimeType;
+
+use Symfony\Component\Mime\MimeTypesInterface;
+
+/**
+ * Guesses the file extension corresponding to a given mime type.
+ *
+ * @deprecated since Symfony 4.3, use {@link MimeTypesInterface} instead
+ */
+interface ExtensionGuesserInterface
+{
+    /**
+     * Makes a best guess for a file extension, given a mime type.
+     *
+     * @param string $mimeType The mime type
+     *
+     * @return string The guessed extension or NULL, if none could be guessed
+     */
+    public function guess($mimeType);
+}

.phpstan/stubs/MimeTypeGuesserInterface.stub

@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\File\MimeType;
+
+use Symfony\Component\HttpFoundation\File\Exception\AccessDeniedException;
+use Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException;
+use Symfony\Component\Mime\MimeTypesInterface;
+
+/**
+ * Guesses the mime type of a file.
+ *
+ * @author Bernhard Schussek <[email protected]>
+ *
+ * @deprecated since Symfony 4.3, use {@link MimeTypesInterface} instead
+ */
+interface MimeTypeGuesserInterface
+{
+    /**
+     * Guesses the mime type of the file with the given path.
+     *
+     * @param string $path The path to the file
+     *
+     * @return string|null The mime type or NULL, if none could be guessed
+     *
+     * @throws FileNotFoundException If the file does not exist
+     * @throws AccessDeniedException If the file could not be read
+     */
+    public function guess($path);
+}

composer.json

@@ -36,6 +36,7 @@
         "doctrine/persistence": "^1.3|^2.0",
         "enqueue/enqueue-bundle": "^0.9|^0.10",
         "league/flysystem": "^1.0|^2.0",
+        "phpstan/phpstan": "^0.12.64",
         "psr/log": "^1.0",
         "symfony/browser-kit": "^3.4|^4.3|^5.0",
         "symfony/console": "^3.4|^4.3|^5.0",

phpstan.neon.dist

@@ -0,0 +1,27 @@
+includes:
+    - .phpstan/baseline.neon
+parameters:
+    level: 1
+    paths:
+        - Async
+        - Binary
+        - Command
+        - Component
+        - Config
+        - Controller
+        - DependencyInjection
+        - Events
+        - Exception
+        - Factory
+        - Form
+        - Imagine
+        - Model
+        - Resources
+        - Service
+        - Templating
+        - Utility
+        - LiipImagineBundle.php
+    scanFiles:
+        - .phpstan/stubs/Event.stub
+        - .phpstan/stubs/ExtensionGuesserInterface.stub
+        - .phpstan/stubs/MimeTypeGuesserInterface.stub