Add phan configuration for static analysis

Bug: T179554
Change-Id: I587285fb3687541233156e19e24cd448e9a7976a

.gitignore

@@ -22,6 +22,7 @@ sftp-config.json
 /docs
 /node_modules
 /vendor
+/tests/phan/issues
 
 # Operating systems
 ## Mac OS X

composer.json

@@ -37,7 +37,8 @@
 		"jakub-onderka/php-parallel-lint": "1.0.0",
 		"mediawiki/mediawiki-codesniffer": "18.0.0",
 		"jakub-onderka/php-console-highlighter": "0.3.2",
-		"mediawiki/minus-x": "0.3.1"
+		"mediawiki/minus-x": "0.3.1",
+		"mediawiki/mediawiki-phan-config": "0.1.0"
 	},
 	"scripts": {
 		"fix": [

tests/phan/config.php

@@ -0,0 +1,24 @@
+<?php
+/**
+ * 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.
+ *
+ */
+
+$cfg = require __DIR__ . '/../../vendor/mediawiki/mediawiki-phan-config/src/config.php';
+
+// phan doesn't support @inheritDoc yet
+$cfg['suppress_issue_types'][] = 'PhanParamSignatureMismatch';
+
+return $cfg;