Install phan/phpstan local

vendor/composer/pcre/src/UnexpectedNullMatchException.php

@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of composer/pcre.
+ *
+ * (c) Composer <https://github.com/composer>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Composer\Pcre;
+
+class UnexpectedNullMatchException extends PcreException
+{
+    public static function fromFunction($function, $pattern)
+    {
+        throw new \LogicException('fromFunction should not be called on '.self::class.', use '.PcreException::class);
+    }
+}