[ticket/11700] Namespaces and class names should not start with digits

PHPBB3-11700

phpBB/phpbb/db/migration/data/v310/timezone_p2.php

@@ -0,0 +1,45 @@
+<?php
+/**
+*
+* @package migration
+* @copyright (c) 2012 phpBB Group
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License v2
+*
+*/
+
+namespace phpbb\db\migration\data\v310;
+
+class timezone_p2 extends \phpbb\db\migration\migration
+{
+	public function effectively_installed()
+	{
+		return !$this->db_tools->sql_column_exists($this->table_prefix . 'users', 'user_dst');
+	}
+
+	static public function depends_on()
+	{
+		return array('\phpbb\db\migration\data\v310\timezone');
+	}
+
+	public function update_schema()
+	{
+		return array(
+			'drop_columns'	=> array(
+				$this->table_prefix . 'users'			=> array(
+					'user_dst',
+				),
+			),
+		);
+	}
+
+	public function revert_schema()
+	{
+		return array(
+			'add_columns'	=> array(
+				$this->table_prefix . 'users'			=> array(
+					'user_dst'		=> array('BOOL', 0),
+				),
+			),
+		);
+	}
+}