Ajout du FR

Ajout du FR + correction du "functions.php"

phpbb/db/migration/tool/tool_interface.php

@@ -0,0 +1,37 @@
+<?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\db\migration\tool;
+
+/**
+* Migration tool interface
+*/
+interface tool_interface
+{
+	/**
+	* Retrieve a short name used for commands in migrations.
+	*
+	* @return string short name
+	*/
+	public function get_name();
+
+	/**
+	* Reverse an original install action
+	*
+	* First argument is the original call to the class (e.g. add, remove)
+	* After the first argument, send the original arguments to the function in the original call
+	*
+	* @return null
+	*/
+	public function reverse();
+}