init

vendor/phpunit/php-token-stream/src/CachingFactory.php

@@ -0,0 +1,42 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of phpunit/php-token-stream.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class PHP_Token_Stream_CachingFactory
+{
+    /**
+     * @var array
+     */
+    protected static $cache = [];
+
+    /**
+     * @param string $filename
+     *
+     * @return PHP_Token_Stream
+     */
+    public static function get($filename)
+    {
+        if (!isset(self::$cache[$filename])) {
+            self::$cache[$filename] = new PHP_Token_Stream($filename);
+        }
+
+        return self::$cache[$filename];
+    }
+
+    /**
+     * @param string $filename
+     */
+    public static function clear($filename = null)/*: void*/
+    {
+        if (\is_string($filename)) {
+            unset(self::$cache[$filename]);
+        } else {
+            self::$cache = [];
+        }
+    }
+}