[ticket/13782] Rename null log to dummy for PHP7 compatibility

PHPBB3-13782

phpBB/phpbb/log/dummy.php

@@ -0,0 +1,81 @@
+<?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\log;
+
+/**
+* Dummy logger
+*/
+class dummy implements log_interface
+{
+	/**
+	* {@inheritdoc}
+	*/
+	public function is_enabled($type = '')
+	{
+		return false;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function disable($type = '')
+	{
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function enable($type = '')
+	{
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function add($mode, $user_id, $log_ip, $log_operation, $log_time = false, $additional_data = array())
+	{
+		return false;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function delete($mode, $conditions = array())
+	{
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_logs($mode, $count_logs = true, $limit = 0, $offset = 0, $forum_id = 0, $topic_id = 0, $user_id = 0, $log_time = 0, $sort_by = 'l.log_time DESC', $keywords = '')
+	{
+		return array();
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_log_count()
+	{
+		return 0;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_valid_offset()
+	{
+		return 0;
+	}
+}