[ticket/13713] Fix case for phpBB directory

PHPBB3-13713

phpBB/phpbb/mention/source/source_interface.php

@@ -0,0 +1,27 @@
+<?php
+/**
+ *
+ * This file is part of the phpBB Forum Software package.
+ *
+ * @copyright (c) phpBB Limited <https://www.phpbb.com>
+ * @license       GNU General Public License, version 2 (GPL-2.0)
+ *
+ * For full copyright and license information, please see
+ * the docs/CREDITS.txt file.
+ *
+ */
+
+namespace phpbb\mention\source;
+
+interface source_interface
+{
+	/**
+	 * Searches database for names to mention
+	 * and returns and array of found items
+	 *
+	 * @param string $keyword  Search string
+	 * @param int    $topic_id Current topic ID
+	 * @return array Array of names
+	 */
+	public function get($keyword, $topic_id);
+}