Add phan config

.phan/config.php

@@ -0,0 +1,108 @@
+<?php
+/**
+ * @author Patrick Jahns <github@patrickjahns.de>
+ *
+ * @copyright Copyright (c) 2018, ownCloud GmbH
+ * @license GPL-2.0
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+return [
+
+	// Supported values: '7.2', '7.3', '7.4', '8.0', null.
+	// If this is set to null,
+	// then Phan assumes the PHP version which is closest to the minor version
+	// of the php executable used to execute phan.
+	'target_php_version' => null,
+
+	// A list of directories that should be parsed for class and
+	// method information. After excluding the directories
+	// defined in exclude_analysis_directory_list, the remaining
+	// files will be statically analyzed for errors.
+	//
+	// Thus, both first-party and third-party code being used by
+	// your application should be included in this list.
+	'directory_list' => [
+		'src',
+		'vendor',
+	],
+
+	// A list of files to include in analysis
+	'file_list' => [
+	],
+
+	// A directory list that defines files that will be excluded
+	// from static analysis, but whose class and method
+	// information should be included.
+	//
+	// Generally, you'll want to include the directories for
+	// third-party code (such as "vendor/") in this list.
+	//
+	// n.b.: If you'd like to parse but not analyze 3rd
+	//       party code, directories containing that code
+	//       should be added to both the `directory_list`
+	//       and `exclude_analysis_directory_list` arrays.
+	'exclude_analysis_directory_list' => [
+		'vendor',
+	],
+
+	// A regular expression to match files to be excluded
+	// from parsing and analysis and will not be read at all.
+	//
+	// This is useful for excluding groups of test or example
+	// directories/files, unanalyzable files, or files that
+	// can't be removed for whatever reason.
+	// (e.g. '@Test\.php$@', or '@vendor/.*/(tests|Tests)/@')
+	'exclude_file_regex' => '@.*/[^/]*(tests|Tests|templates)/@',
+
+	// If true, missing properties will be created when
+	// they are first seen. If false, we'll report an
+	// error message.
+	"allow_missing_properties" => false,
+
+	// If enabled, allow null to be cast as any array-like type.
+	// This is an incremental step in migrating away from null_casts_as_any_type.
+	// If null_casts_as_any_type is true, this has no effect.
+	"null_casts_as_any_type" => true,
+
+	// Backwards Compatibility Checking. This is slow
+	// and expensive, but you should consider running
+	// it before upgrading your version of PHP to a
+	// new version that has backward compatibility
+	// breaks.
+	'backward_compatibility_checks' => false,
+
+	// The initial scan of the function's code block has no
+	// type information for `$arg`. It isn't until we see
+	// the call and rescan test()'s code block that we can
+	// detect that it is actually returning the passed in
+	// `string` instead of an `int` as declared.
+	'quick_mode' => false,
+
+	// The minimum severity level to report on. This can be
+	// set to Issue::SEVERITY_LOW, Issue::SEVERITY_NORMAL or
+	// Issue::SEVERITY_CRITICAL. Setting it to only
+	// critical issues is a good place to start on a big
+	// sloppy mature code base.
+	'minimum_severity' => 5,
+
+	// A set of fully qualified class-names for which
+	// a call to parent::__construct() is required
+	'parent_constructor_required' => [
+	],
+
+];

vendor-bin/phan/composer.json

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+{
+    "require": {
+        "phan/phan": "^5.4"
+    }
+}