19 files changed, 414 insertions, 141 deletions
diff --git a/phpBB/includes/acp/acp_board.php b/phpBB/includes/acp/acp_board.php
index c8f6f426c6..bcecb2f300 100644
--- a/phpBB/includes/acp/acp_board.php
+++ b/phpBB/includes/acp/acp_board.php
@@ -26,7 +26,7 @@ if (!defined('IN_PHPBB'))
 class acp_board
 {
 	var $u_action;
-	var $new_config = array();
+	var $new_config;
 
 	function main($id, $mode)
 	{
@@ -454,6 +454,9 @@ class acp_board
 						'smtp_auth_method'		=> array('lang' => 'SMTP_AUTH_METHOD',		'validate' => 'string',	'type' => 'select', 'method' => 'mail_auth_select', 'explain' => true),
 						'smtp_username'			=> array('lang' => 'SMTP_USERNAME',			'validate' => 'string',	'type' => 'text:25:255', 'explain' => true),
 						'smtp_password'			=> array('lang' => 'SMTP_PASSWORD',			'validate' => 'string',	'type' => 'password:25:255', 'explain' => true),
+						'smtp_verify_peer'		=> array('lang' => 'SMTP_VERIFY_PEER',		'validate' => 'bool',	'type' => 'radio:yes_no', 'explain' => true),
+						'smtp_verify_peer_name'	=> array('lang' => 'SMTP_VERIFY_PEER_NAME',	'validate' => 'bool',	'type' => 'radio:yes_no', 'explain' => true),
+						'smtp_allow_self_signed'=> array('lang' => 'SMTP_ALLOW_SELF_SIGNED','validate' => 'bool',	'type' => 'radio:yes_no', 'explain' => true),
 
 						'legend3'					=> 'ACP_SUBMIT_CHANGES',
 					)
@@ -482,7 +485,7 @@ class acp_board
 			$user->add_lang($display_vars['lang']);
 		}
 
-		$this->new_config = $config;
+		$this->new_config = clone $config;
 		$cfg_array = (isset($_REQUEST['config'])) ? utf8_normalize_nfc(request_var('config', array('' => ''), true)) : $this->new_config;
 		$error = array();
 
diff --git a/phpBB/includes/acp/acp_extensions.php b/phpBB/includes/acp/acp_extensions.php
index 5a2ded91e2..9e72ab83f8 100644
--- a/phpBB/includes/acp/acp_extensions.php
+++ b/phpBB/includes/acp/acp_extensions.php
@@ -22,21 +22,23 @@ if (!defined('IN_PHPBB'))
 class acp_extensions
 {
 	var $u_action;
+	var $tpl_name;
+	var $page_title;
 
-	private $db;
 	private $config;
 	private $template;
 	private $user;
 	private $cache;
 	private $log;
 	private $request;
+	private $phpbb_dispatcher;
+	private $ext_manager;
 
 	function main()
 	{
 		// Start the page
-		global $config, $user, $template, $request, $phpbb_extension_manager, $db, $phpbb_root_path, $phpEx, $phpbb_log, $cache, $phpbb_dispatcher;
+		global $config, $user, $template, $request, $phpbb_extension_manager, $phpbb_root_path, $phpEx, $phpbb_log, $cache, $phpbb_dispatcher;
 
-		$this->db = $db;
 		$this->config = $config;
 		$this->template = $template;
 		$this->user = $user;
@@ -44,49 +46,57 @@ class acp_extensions
 		$this->request = $request;
 		$this->log = $phpbb_log;
 		$this->phpbb_dispatcher = $phpbb_dispatcher;
+		$this->ext_manager = $phpbb_extension_manager;
 
-		$user->add_lang(array('install', 'acp/extensions', 'migrator'));
+		$this->user->add_lang(array('install', 'acp/extensions', 'migrator'));
 
 		$this->page_title = 'ACP_EXTENSIONS';
 
-		$action = $request->variable('action', 'list');
-		$ext_name = $request->variable('ext_name', '');
+		$action = $this->request->variable('action', 'list');
+		$ext_name = $this->request->variable('ext_name', '');
 
 		// What is a safe limit of execution time? Half the max execution time should be safe.
 		$safe_time_limit = (ini_get('max_execution_time') / 2);
 		$start_time = time();
 
+		// Cancel action
+		if ($this->request->is_set_post('cancel'))
+		{
+			$action = 'list';
+			$ext_name = '';
+		}
+
+		if (in_array($action, array('enable', 'disable', 'delete_data')) && !check_link_hash($this->request->variable('hash', ''), $action . '.' . $ext_name))
+		{
+			trigger_error('FORM_INVALID', E_USER_WARNING);
+		}
+
 		/**
 		* Event to run a specific action on extension
 		*
-		* @event core.acp_extensions_run_action
-		* @var	string	action			Action to run
+		* @event core.acp_extensions_run_action_before
+		* @var	string	action			Action to run; if the event completes execution of the action, should be set to 'none'
 		* @var	string	u_action		Url we are at
 		* @var	string	ext_name		Extension name from request
 		* @var	int		safe_time_limit	Safe limit of execution time
 		* @var	int		start_time		Start time
+		* @var	string	tpl_name		Template file to load
 		* @since 3.1.11-RC1
+		* @changed 3.2.1-RC1			Renamed to core.acp_extensions_run_action_before, added tpl_name, added action 'none'
 		*/
 		$u_action = $this->u_action;
-		$vars = array('action', 'u_action', 'ext_name', 'safe_time_limit', 'start_time');
-		extract($this->phpbb_dispatcher->trigger_event('core.acp_extensions_run_action', compact($vars)));
+		$tpl_name = '';
+		$vars = array('action', 'u_action', 'ext_name', 'safe_time_limit', 'start_time', 'tpl_name');
+		extract($this->phpbb_dispatcher->trigger_event('core.acp_extensions_run_action_before', compact($vars)));
 
-		// Cancel action
-		if ($request->is_set_post('cancel'))
-		{
-			$action = 'list';
-			$ext_name = '';
-		}
-
-		if (in_array($action, array('enable', 'disable', 'delete_data')) && !check_link_hash($request->variable('hash', ''), $action . '.' . $ext_name))
-		{
-			trigger_error('FORM_INVALID', E_USER_WARNING);
-		}
+		// In case they have been updated by the event
+		$this->u_action = $u_action;
+		$this->tpl_name = $tpl_name;
 
 		// If they've specified an extension, let's load the metadata manager and validate it.
 		if ($ext_name)
 		{
-			$md_manager = new \phpbb\extension\metadata_manager($ext_name, $config, $phpbb_extension_manager, $template, $user, $phpbb_root_path);
+			$md_manager = $this->ext_manager->create_extension_metadata_manager($ext_name, $this->template);
 
 			try
 			{
@@ -101,6 +111,10 @@ class acp_extensions
 		// What are we doing?
 		switch ($action)
 		{
+			case 'none':
+				// Intentionally empty, used by extensions that execute additional actions in the prior event
+				break;
+
 			case 'set_config_version_check_force_unstable':
 				$force_unstable = $this->request->variable('force_unstable', false);
 
@@ -110,12 +124,12 @@ class acp_extensions
 						'force_unstable'	=> $force_unstable,
 					));
 
-					confirm_box(false, $user->lang('EXTENSION_FORCE_UNSTABLE_CONFIRM'), $s_hidden_fields);
+					confirm_box(false, $this->user->lang('EXTENSION_FORCE_UNSTABLE_CONFIRM'), $s_hidden_fields);
 				}
 				else
 				{
-					$config->set('extension_force_unstable', false);
-					trigger_error($user->lang['CONFIG_UPDATED'] . adm_back_link($this->u_action));
+					$this->config->set('extension_force_unstable', false);
+					trigger_error($this->user->lang['CONFIG_UPDATED'] . adm_back_link($this->u_action));
 				}
 				break;
 
@@ -123,17 +137,17 @@ class acp_extensions
 			default:
 				if (confirm_box(true))
 				{
-					$config->set('extension_force_unstable', true);
-					trigger_error($user->lang['CONFIG_UPDATED'] . adm_back_link($this->u_action));
+					$this->config->set('extension_force_unstable', true);
+					trigger_error($this->user->lang['CONFIG_UPDATED'] . adm_back_link($this->u_action));
 				}
 
-				$this->list_enabled_exts($phpbb_extension_manager);
-				$this->list_disabled_exts($phpbb_extension_manager);
-				$this->list_available_exts($phpbb_extension_manager);
+				$this->list_enabled_exts();
+				$this->list_disabled_exts();
+				$this->list_available_exts();
 
 				$this->template->assign_vars(array(
 					'U_VERSIONCHECK_FORCE' 	=> $this->u_action . '&amp;action=list&amp;versioncheck_force=1',
-					'FORCE_UNSTABLE'		=> $config['extension_force_unstable'],
+					'FORCE_UNSTABLE'		=> $this->config['extension_force_unstable'],
 					'U_ACTION' 				=> $this->u_action,
 				));
 
@@ -141,30 +155,29 @@ class acp_extensions
 			break;
 
 			case 'enable_pre':
-				if (!$md_manager->validate_dir())
+				try
 				{
-					trigger_error($user->lang['EXTENSION_DIR_INVALID'] . adm_back_link($this->u_action), E_USER_WARNING);
+					$md_manager->validate_enable();
 				}
-
-				if (!$md_manager->validate_enable())
+				catch (\phpbb\extension\exception $e)
 				{
-					trigger_error($user->lang['EXTENSION_NOT_AVAILABLE'] . adm_back_link($this->u_action), E_USER_WARNING);
+					trigger_error($e . adm_back_link($this->u_action), E_USER_WARNING);
 				}
 
-				$extension = $phpbb_extension_manager->get_extension($ext_name);
+				$extension = $this->ext_manager->get_extension($ext_name);
 				if (!$extension->is_enableable())
 				{
-					trigger_error($user->lang['EXTENSION_NOT_ENABLEABLE'] . adm_back_link($this->u_action), E_USER_WARNING);
+					trigger_error($this->user->lang['EXTENSION_NOT_ENABLEABLE'] . adm_back_link($this->u_action), E_USER_WARNING);
 				}
 
-				if ($phpbb_extension_manager->is_enabled($ext_name))
+				if ($this->ext_manager->is_enabled($ext_name))
 				{
 					redirect($this->u_action);
 				}
 
 				$this->tpl_name = 'acp_ext_enable';
 
-				$template->assign_vars(array(
+				$this->template->assign_vars(array(
 					'PRE'				=> true,
 					'L_CONFIRM_MESSAGE'	=> $this->user->lang('EXTENSION_ENABLE_CONFIRM', $md_manager->get_metadata('display-name')),
 					'U_ENABLE'			=> $this->u_action . '&amp;action=enable&amp;ext_name=' . urlencode($ext_name) . '&amp;hash=' . generate_link_hash('enable.' . $ext_name),
@@ -172,57 +185,56 @@ class acp_extensions
 			break;
 
 			case 'enable':
-				if (!$md_manager->validate_dir())
+				try
 				{
-					trigger_error($user->lang['EXTENSION_DIR_INVALID'] . adm_back_link($this->u_action), E_USER_WARNING);
+					$md_manager->validate_enable();
 				}
-
-				if (!$md_manager->validate_enable())
+				catch (\phpbb\extension\exception $e)
 				{
-					trigger_error($user->lang['EXTENSION_NOT_AVAILABLE'] . adm_back_link($this->u_action), E_USER_WARNING);
+					trigger_error($e . adm_back_link($this->u_action), E_USER_WARNING);
 				}
 
-				$extension = $phpbb_extension_manager->get_extension($ext_name);
+				$extension = $this->ext_manager->get_extension($ext_name);
 				if (!$extension->is_enableable())
 				{
-					trigger_error($user->lang['EXTENSION_NOT_ENABLEABLE'] . adm_back_link($this->u_action), E_USER_WARNING);
+					trigger_error($this->user->lang['EXTENSION_NOT_ENABLEABLE'] . adm_back_link($this->u_action), E_USER_WARNING);
 				}
 
 				try
 				{
-					while ($phpbb_extension_manager->enable_step($ext_name))
+					while ($this->ext_manager->enable_step($ext_name))
 					{
 						// Are we approaching the time limit? If so we want to pause the update and continue after refreshing
 						if ((time() - $start_time) >= $safe_time_limit)
 						{
-							$template->assign_var('S_NEXT_STEP', true);
+							$this->template->assign_var('S_NEXT_STEP', true);
 
 							meta_refresh(0, $this->u_action . '&amp;action=enable&amp;ext_name=' . urlencode($ext_name) . '&amp;hash=' . generate_link_hash('enable.' . $ext_name));
 						}
 					}
-					$this->log->add('admin', $user->data['user_id'], $user->ip, 'LOG_EXT_ENABLE', time(), array($ext_name));
+					$this->log->add('admin', $this->user->data['user_id'], $this->user->ip, 'LOG_EXT_ENABLE', time(), array($ext_name));
 				}
 				catch (\phpbb\db\migration\exception $e)
 				{
-					$template->assign_var('MIGRATOR_ERROR', $e->getLocalisedMessage($user));
+					$this->template->assign_var('MIGRATOR_ERROR', $e->getLocalisedMessage($this->user));
 				}
 
 				$this->tpl_name = 'acp_ext_enable';
 
-				$template->assign_vars(array(
+				$this->template->assign_vars(array(
 					'U_RETURN'		=> $this->u_action . '&amp;action=list',
 				));
 			break;
 
 			case 'disable_pre':
-				if (!$phpbb_extension_manager->is_enabled($ext_name))
+				if (!$this->ext_manager->is_enabled($ext_name))
 				{
 					redirect($this->u_action);
 				}
 
 				$this->tpl_name = 'acp_ext_disable';
 
-				$template->assign_vars(array(
+				$this->template->assign_vars(array(
 					'PRE'				=> true,
 					'L_CONFIRM_MESSAGE'	=> $this->user->lang('EXTENSION_DISABLE_CONFIRM', $md_manager->get_metadata('display-name')),
 					'U_DISABLE'			=> $this->u_action . '&amp;action=disable&amp;ext_name=' . urlencode($ext_name) . '&amp;hash=' . generate_link_hash('disable.' . $ext_name),
@@ -230,38 +242,38 @@ class acp_extensions
 			break;
 
 			case 'disable':
-				if (!$phpbb_extension_manager->is_enabled($ext_name))
+				if (!$this->ext_manager->is_enabled($ext_name))
 				{
 					redirect($this->u_action);
 				}
 
-				while ($phpbb_extension_manager->disable_step($ext_name))
+				while ($this->ext_manager->disable_step($ext_name))
 				{
 					// Are we approaching the time limit? If so we want to pause the update and continue after refreshing
 					if ((time() - $start_time) >= $safe_time_limit)
 					{
-						$template->assign_var('S_NEXT_STEP', true);
+						$this->template->assign_var('S_NEXT_STEP', true);
 
 						meta_refresh(0, $this->u_action . '&amp;action=disable&amp;ext_name=' . urlencode($ext_name) . '&amp;hash=' . generate_link_hash('disable.' . $ext_name));
 					}
 				}
-				$this->log->add('admin', $user->data['user_id'], $user->ip, 'LOG_EXT_DISABLE', time(), array($ext_name));
+				$this->log->add('admin', $this->user->data['user_id'], $this->user->ip, 'LOG_EXT_DISABLE', time(), array($ext_name));
 
 				$this->tpl_name = 'acp_ext_disable';
 
-				$template->assign_vars(array(
+				$this->template->assign_vars(array(
 					'U_RETURN'	=> $this->u_action . '&amp;action=list',
 				));
 			break;
 
 			case 'delete_data_pre':
-				if ($phpbb_extension_manager->is_enabled($ext_name))
+				if ($this->ext_manager->is_enabled($ext_name))
 				{
 					redirect($this->u_action);
 				}
 				$this->tpl_name = 'acp_ext_delete_data';
 
-				$template->assign_vars(array(
+				$this->template->assign_vars(array(
 					'PRE'				=> true,
 					'L_CONFIRM_MESSAGE'	=> $this->user->lang('EXTENSION_DELETE_DATA_CONFIRM', $md_manager->get_metadata('display-name')),
 					'U_PURGE'			=> $this->u_action . '&amp;action=delete_data&amp;ext_name=' . urlencode($ext_name) . '&amp;hash=' . generate_link_hash('delete_data.' . $ext_name),
@@ -269,33 +281,33 @@ class acp_extensions
 			break;
 
 			case 'delete_data':
-				if ($phpbb_extension_manager->is_enabled($ext_name))
+				if ($this->ext_manager->is_enabled($ext_name))
 				{
 					redirect($this->u_action);
 				}
 
 				try
 				{
-					while ($phpbb_extension_manager->purge_step($ext_name))
+					while ($this->ext_manager->purge_step($ext_name))
 					{
 						// Are we approaching the time limit? If so we want to pause the update and continue after refreshing
 						if ((time() - $start_time) >= $safe_time_limit)
 						{
-							$template->assign_var('S_NEXT_STEP', true);
+							$this->template->assign_var('S_NEXT_STEP', true);
 
 							meta_refresh(0, $this->u_action . '&amp;action=delete_data&amp;ext_name=' . urlencode($ext_name) . '&amp;hash=' . generate_link_hash('delete_data.' . $ext_name));
 						}
 					}
-					$this->log->add('admin', $user->data['user_id'], $user->ip, 'LOG_EXT_PURGE', time(), array($ext_name));
+					$this->log->add('admin', $this->user->data['user_id'], $this->user->ip, 'LOG_EXT_PURGE', time(), array($ext_name));
 				}
 				catch (\phpbb\db\migration\exception $e)
 				{
-					$template->assign_var('MIGRATOR_ERROR', $e->getLocalisedMessage($user));
+					$this->template->assign_var('MIGRATOR_ERROR', $e->getLocalisedMessage($this->user));
 				}
 
 				$this->tpl_name = 'acp_ext_delete_data';
 
-				$template->assign_vars(array(
+				$this->template->assign_vars(array(
 					'U_RETURN'	=> $this->u_action . '&amp;action=list',
 				));
 			break;
@@ -306,28 +318,25 @@ class acp_extensions
 
 				try
 				{
-					$updates_available = $this->version_check($md_manager, $request->variable('versioncheck_force', false));
+					$updates_available = $this->version_check($md_manager, $this->request->variable('versioncheck_force', false));
 
-					$template->assign_vars(array(
+					$this->template->assign_vars(array(
 						'S_UP_TO_DATE'		=> empty($updates_available),
 						'S_VERSIONCHECK'	=> true,
 						'UP_TO_DATE_MSG'	=> $this->user->lang(empty($updates_available) ? 'UP_TO_DATE' : 'NOT_UP_TO_DATE', $md_manager->get_metadata('display-name')),
 					));
 
-					foreach ($updates_available as $branch => $version_data)
-					{
-						$template->assign_block_vars('updates_available', $version_data);
-					}
+					$this->template->assign_block_vars('updates_available', $updates_available);
 				}
 				catch (\RuntimeException $e)
 				{
-					$template->assign_vars(array(
+					$this->template->assign_vars(array(
 						'S_VERSIONCHECK_STATUS'			=> $e->getCode(),
-						'VERSIONCHECK_FAIL_REASON'		=> ($e->getMessage() !== $user->lang('VERSIONCHECK_FAIL')) ? $e->getMessage() : '',
+						'VERSIONCHECK_FAIL_REASON'		=> ($e->getMessage() !== $this->user->lang('VERSIONCHECK_FAIL')) ? $e->getMessage() : '',
 					));
 				}
 
-				$template->assign_vars(array(
+				$this->template->assign_vars(array(
 					'U_BACK'				=> $this->u_action . '&amp;action=list',
 					'U_VERSIONCHECK_FORCE'	=> $this->u_action . '&amp;action=details&amp;versioncheck_force=1&amp;ext_name=' . urlencode($md_manager->get_metadata('name')),
 				));
@@ -335,21 +344,41 @@ class acp_extensions
 				$this->tpl_name = 'acp_ext_details';
 			break;
 		}
+
+		/**
+		* Event to run after a specific action on extension has completed
+		*
+		* @event core.acp_extensions_run_action_after
+		* @var	string	action			Action that has run
+		* @var	string	u_action		Url we are at
+		* @var	string	ext_name		Extension name from request
+		* @var	int		safe_time_limit	Safe limit of execution time
+		* @var	int		start_time		Start time
+		* @var	string	tpl_name		Template file to load
+		* @since 3.1.11-RC1
+		*/
+		$u_action = $this->u_action;
+		$tpl_name = $this->tpl_name;
+		$vars = array('action', 'u_action', 'ext_name', 'safe_time_limit', 'start_time', 'tpl_name');
+		extract($this->phpbb_dispatcher->trigger_event('core.acp_extensions_run_action_after', compact($vars)));
+
+		// In case they have been updated by the event
+		$this->u_action = $u_action;
+		$this->tpl_name = $tpl_name;
 	}
 
 	/**
 	* Lists all the enabled extensions and dumps to the template
 	*
-	* @param  $phpbb_extension_manager     An instance of the extension manager
 	* @return null
 	*/
-	public function list_enabled_exts(\phpbb\extension\manager $phpbb_extension_manager)
+	public function list_enabled_exts()
 	{
 		$enabled_extension_meta_data = array();
 
-		foreach ($phpbb_extension_manager->all_enabled() as $name => $location)
+		foreach ($this->ext_manager->all_enabled() as $name => $location)
 		{
-			$md_manager = $phpbb_extension_manager->create_extension_metadata_manager($name, $this->template);
+			$md_manager = $this->ext_manager->create_extension_metadata_manager($name, $this->template);
 
 			try
 			{
@@ -397,16 +426,15 @@ class acp_extensions
 	/**
 	* Lists all the disabled extensions and dumps to the template
 	*
-	* @param  $phpbb_extension_manager     An instance of the extension manager
 	* @return null
 	*/
-	public function list_disabled_exts(\phpbb\extension\manager $phpbb_extension_manager)
+	public function list_disabled_exts()
 	{
 		$disabled_extension_meta_data = array();
 
-		foreach ($phpbb_extension_manager->all_disabled() as $name => $location)
+		foreach ($this->ext_manager->all_disabled() as $name => $location)
 		{
-			$md_manager = $phpbb_extension_manager->create_extension_metadata_manager($name, $this->template);
+			$md_manager = $this->ext_manager->create_extension_metadata_manager($name, $this->template);
 
 			try
 			{
@@ -455,18 +483,17 @@ class acp_extensions
 	/**
 	* Lists all the available extensions and dumps to the template
 	*
-	* @param  $phpbb_extension_manager     An instance of the extension manager
 	* @return null
 	*/
-	public function list_available_exts(\phpbb\extension\manager $phpbb_extension_manager)
+	public function list_available_exts()
 	{
-		$uninstalled = array_diff_key($phpbb_extension_manager->all_available(), $phpbb_extension_manager->all_configured());
+		$uninstalled = array_diff_key($this->ext_manager->all_available(), $this->ext_manager->all_configured());
 
 		$available_extension_meta_data = array();
 
 		foreach ($uninstalled as $name => $location)
 		{
-			$md_manager = $phpbb_extension_manager->create_extension_metadata_manager($name, $this->template);
+			$md_manager = $this->ext_manager->create_extension_metadata_manager($name, $this->template);
 
 			try
 			{
@@ -535,7 +562,7 @@ class acp_extensions
 	* @param \phpbb\extension\metadata_manager $md_manager The metadata manager for the version to check.
 	* @param bool $force_update Ignores cached data. Defaults to false.
 	* @param bool $force_cache Force the use of the cache. Override $force_update.
-	* @return string
+	* @return array
 	* @throws RuntimeException
 	*/
 	protected function version_check(\phpbb\extension\metadata_manager $md_manager, $force_update = false, $force_cache = false)
@@ -554,7 +581,7 @@ class acp_extensions
 		$version_helper->set_file_location($version_check['host'], $version_check['directory'], $version_check['filename'], isset($version_check['ssl']) ? $version_check['ssl'] : false);
 		$version_helper->force_stability($this->config['extension_force_unstable'] ? 'unstable' : null);
 
-		return $updates = $version_helper->get_suggested_updates($force_update, $force_cache);
+		return $version_helper->get_ext_update_on_branch($force_update, $force_cache);
 	}
 
 	/**
diff --git a/phpBB/includes/acp/acp_main.php b/phpBB/includes/acp/acp_main.php
index 848cafeb67..6e7bd91a86 100644
--- a/phpBB/includes/acp/acp_main.php
+++ b/phpBB/includes/acp/acp_main.php
@@ -421,23 +421,33 @@ class acp_main
 		// Version check
 		$user->add_lang('install');
 
-		if ($auth->acl_get('a_server') && version_compare(PHP_VERSION, '5.3.3', '<'))
+		if ($auth->acl_get('a_server') && version_compare(PHP_VERSION, '5.4.0', '<'))
 		{
 			$template->assign_vars(array(
 				'S_PHP_VERSION_OLD'	=> true,
-				'L_PHP_VERSION_OLD'	=> sprintf($user->lang['PHP_VERSION_OLD'], '<a href="https://www.phpbb.com/community/viewtopic.php?f=14&amp;t=2152375">', '</a>'),
+				'L_PHP_VERSION_OLD'	=> sprintf($user->lang['PHP_VERSION_OLD'], PHP_VERSION, '5.4.0', '<a href="https://www.phpbb.com/support/docs/en/3.2/ug/quickstart/requirements">', '</a>'),
 			));
 		}
 
 		if ($auth->acl_get('a_board'))
 		{
+			/** @var \phpbb\version_helper $version_helper */
 			$version_helper = $phpbb_container->get('version_helper');
 			try
 			{
 				$recheck = $request->variable('versioncheck_force', false);
-				$updates_available = $version_helper->get_suggested_updates($recheck);
+				$updates_available = $version_helper->get_update_on_branch($recheck);
+				$upgrades_available = $version_helper->get_suggested_updates();
+				if (!empty($upgrades_available))
+				{
+					$upgrades_available = array_pop($upgrades_available);
+				}
 
-				$template->assign_var('S_VERSION_UP_TO_DATE', empty($updates_available));
+				$template->assign_vars(array(
+					'S_VERSION_UP_TO_DATE'		=> empty($updates_available),
+					'S_VERSION_UPGRADEABLE'		=> !empty($upgrades_available),
+					'UPGRADE_INSTRUCTIONS'		=> !empty($upgrades_available) ? $user->lang('UPGRADE_INSTRUCTIONS', $upgrades_available['current'], $upgrades_available['announcement']) : false,
+				));
 			}
 			catch (\RuntimeException $e)
 			{
diff --git a/phpBB/includes/acp/acp_styles.php b/phpBB/includes/acp/acp_styles.php
index 5181b87ecb..c29fb062d8 100644
--- a/phpBB/includes/acp/acp_styles.php
+++ b/phpBB/includes/acp/acp_styles.php
@@ -433,6 +433,9 @@ class acp_styles
 			trigger_error($this->user->lang['NO_MATCHING_STYLES_FOUND'] . adm_back_link($this->u_action), E_USER_WARNING);
 		}
 
+		// Read style configuration file
+		$style_cfg = $this->read_style_cfg($style['style_path']);
+
 		// Find all available parent styles
 		$list = $this->find_possible_parents($styles, $id);
 
@@ -579,6 +582,7 @@ class acp_styles
 			'STYLE_ID'			=> $style['style_id'],
 			'STYLE_NAME'		=> htmlspecialchars($style['style_name']),
 			'STYLE_PATH'		=> htmlspecialchars($style['style_path']),
+			'STYLE_VERSION'		=> htmlspecialchars($style_cfg['style_version']),
 			'STYLE_COPYRIGHT'	=> strip_tags($style['style_copyright']),
 			'STYLE_PARENT'		=> $style['style_parent_id'],
 			'S_STYLE_ACTIVE'	=> $style['style_active'],
diff --git a/phpBB/includes/acp/acp_update.php b/phpBB/includes/acp/acp_update.php
index 529f0f2185..cee2ce222e 100644
--- a/phpBB/includes/acp/acp_update.php
+++ b/phpBB/includes/acp/acp_update.php
@@ -37,7 +37,12 @@ class acp_update
 		try
 		{
 			$recheck = $request->variable('versioncheck_force', false);
-			$updates_available = $version_helper->get_suggested_updates($recheck);
+			$updates_available = $version_helper->get_update_on_branch($recheck);
+			$upgrades_available = $version_helper->get_suggested_updates();
+			if (!empty($upgrades_available))
+			{
+				$upgrades_available = array_pop($upgrades_available);
+			}
 		}
 		catch (\RuntimeException $e)
 		{
@@ -46,12 +51,9 @@ class acp_update
 			$updates_available = array();
 		}
 
-		foreach ($updates_available as $branch => $version_data)
-		{
-			$template->assign_block_vars('updates_available', $version_data);
-		}
+		$template->assign_block_vars('updates_available', $updates_available);
 
-		$update_link = append_sid($phpbb_root_path . 'install/index.' . $phpEx, 'mode=update');
+		$update_link = append_sid($phpbb_root_path . 'install/');
 
 		$template->assign_vars(array(
 			'S_UP_TO_DATE'			=> empty($updates_available),
@@ -61,6 +63,8 @@ class acp_update
 			'CURRENT_VERSION'		=> $config['version'],
 
 			'UPDATE_INSTRUCTIONS'	=> sprintf($user->lang['UPDATE_INSTRUCTIONS'], $update_link),
+			'S_VERSION_UPGRADEABLE'		=> !empty($upgrades_available),
+			'UPGRADE_INSTRUCTIONS'		=> !empty($upgrades_available) ? $user->lang('UPGRADE_INSTRUCTIONS', $upgrades_available['current'], $upgrades_available['announcement']) : false,
 		));
 
 		// Incomplete update?
diff --git a/phpBB/includes/acp/info/acp_logs.php b/phpBB/includes/acp/info/acp_logs.php
index e9e6034cd4..3b2764c4dc 100644
--- a/phpBB/includes/acp/info/acp_logs.php
+++ b/phpBB/includes/acp/info/acp_logs.php
@@ -15,16 +15,31 @@ class acp_logs_info
 {
 	function module()
 	{
+		global $phpbb_dispatcher;
+
+		$modes = array(
+			'admin'		=> array('title' => 'ACP_ADMIN_LOGS', 'auth' => 'acl_a_viewlogs', 'cat' => array('ACP_FORUM_LOGS')),
+			'mod'		=> array('title' => 'ACP_MOD_LOGS', 'auth' => 'acl_a_viewlogs', 'cat' => array('ACP_FORUM_LOGS')),
+			'users'		=> array('title' => 'ACP_USERS_LOGS', 'auth' => 'acl_a_viewlogs', 'cat' => array('ACP_FORUM_LOGS')),
+			'critical'	=> array('title' => 'ACP_CRITICAL_LOGS', 'auth' => 'acl_a_viewlogs', 'cat' => array('ACP_FORUM_LOGS')),
+		);
+
+		/**
+		* Event to add or modify ACP log modulemodes
+		*
+		* @event core.acp_logs_info_modify_modes
+		* @var	array	modes	Array with modes info
+		* @since 3.1.11-RC1
+		* @since 3.2.1-RC1
+		*/
+		$vars = array('modes');
+		extract($phpbb_dispatcher->trigger_event('core.acp_logs_info_modify_modes', compact($vars)));
+
 		return array(
 			'filename'	=> 'acp_logs',
 			'title'		=> 'ACP_LOGGING',
 			'version'	=> '1.0.0',
-			'modes'		=> array(
-				'admin'		=> array('title' => 'ACP_ADMIN_LOGS', 'auth' => 'acl_a_viewlogs', 'cat' => array('ACP_FORUM_LOGS')),
-				'mod'		=> array('title' => 'ACP_MOD_LOGS', 'auth' => 'acl_a_viewlogs', 'cat' => array('ACP_FORUM_LOGS')),
-				'users'		=> array('title' => 'ACP_USERS_LOGS', 'auth' => 'acl_a_viewlogs', 'cat' => array('ACP_FORUM_LOGS')),
-				'critical'	=> array('title' => 'ACP_CRITICAL_LOGS', 'auth' => 'acl_a_viewlogs', 'cat' => array('ACP_FORUM_LOGS')),
-			),
+			'modes'		=> $modes,
 		);
 	}
 
diff --git a/phpBB/includes/functions_admin.php b/phpBB/includes/functions_admin.php
index 1dc246ec33..4bac718999 100644
--- a/phpBB/includes/functions_admin.php
+++ b/phpBB/includes/functions_admin.php
@@ -641,8 +641,8 @@ function move_posts($post_ids, $topic_id, $auto_sync = true)
 	 *
 	 * @event core.move_posts_before
 	 * @var	array	post_ids	Array of post ids to move
-	 * @var	string	topic_id	The topic id the posts are moved to
-	 * @var bool	auto_sync	Whether or not to perform auto sync
+	 * @var	int		topic_id	The topic id the posts are moved to
+	 * @var	bool	auto_sync	Whether or not to perform auto sync
 	 * @var	array	forum_ids	Array of the forum ids the posts are moved from
 	 * @var	array	topic_ids	Array of the topic ids the posts are moved from
 	 * @var	array	forum_row	Array with the forum id of the topic the posts are moved to
@@ -673,8 +673,8 @@ function move_posts($post_ids, $topic_id, $auto_sync = true)
 	 *
 	 * @event core.move_posts_after
 	 * @var	array	post_ids	Array of the moved post ids
-	 * @var	string	topic_id	The topic id the posts are moved to
-	 * @var bool	auto_sync	Whether or not to perform auto sync
+	 * @var	int		topic_id	The topic id the posts are moved to
+	 * @var	bool	auto_sync	Whether or not to perform auto sync
 	 * @var	array	forum_ids	Array of the forum ids the posts are moved from
 	 * @var	array	topic_ids	Array of the topic ids the posts are moved from
 	 * @var	array	forum_row	Array with the forum id of the topic the posts are moved to
@@ -698,6 +698,28 @@ function move_posts($post_ids, $topic_id, $auto_sync = true)
 		sync('topic_attachment', 'topic_id', $topic_ids);
 		sync('topic', 'topic_id', $topic_ids, true);
 		sync('forum', 'forum_id', $forum_ids, true, true);
+
+		/**
+		 * Perform additional actions after move post sync
+		 *
+		 * @event core.move_posts_sync_after
+		 * @var	array	post_ids	Array of the moved post ids
+		 * @var	int		topic_id	The topic id the posts are moved to
+		 * @var	bool	auto_sync	Whether or not to perform auto sync
+		 * @var	array	forum_ids	Array of the forum ids the posts are moved from
+		 * @var	array	topic_ids	Array of the topic ids the posts are moved from
+		 * @var	array	forum_row	Array with the forum id of the topic the posts are moved to
+		 * @since 3.1.11-RC1
+		 */
+		$vars = array(
+			'post_ids',
+			'topic_id',
+			'auto_sync',
+			'forum_ids',
+			'topic_ids',
+			'forum_row',
+		);
+		extract($phpbb_dispatcher->trigger_event('core.move_posts_sync_after', compact($vars)));
 	}
 
 	// Update posted information
diff --git a/phpBB/includes/functions_display.php b/phpBB/includes/functions_display.php
index 4881dde6f5..3b2d66c2d3 100644
--- a/phpBB/includes/functions_display.php
+++ b/phpBB/includes/functions_display.php
@@ -646,7 +646,7 @@ function display_forums($root_data = '', $display_moderators = true, $return_mod
 		* @var	array	row				The data of the forum
 		* @var	array	subforums_row	Template data of subforums
 		* @since 3.1.0-a1
-		* @change 3.1.0-b5 Added var subforums_row
+		* @changed 3.1.0-b5 Added var subforums_row
 		*/
 		$vars = array('forum_row', 'row', 'subforums_row');
 		extract($phpbb_dispatcher->trigger_event('core.display_forums_modify_template_vars', compact($vars)));
@@ -1554,6 +1554,23 @@ function phpbb_get_user_rank($user_data, $user_posts)
 		}
 	}
 
+	/**
+	* Modify a user's rank before displaying
+	*
+	* @event core.get_user_rank_after
+	* @var	array	user_data		Array with user's data
+	* @var	int		user_posts		User_posts to change
+	* @var	array	user_rank_data	User rank data
+	* @since 3.1.11-RC1
+	*/
+
+	$vars = array(
+		'user_data',
+		'user_posts',
+		'user_rank_data',
+	);
+	extract($phpbb_dispatcher->trigger_event('core.get_user_rank_after', compact($vars)));
+
 	return $user_rank_data;
 }
 
diff --git a/phpBB/includes/functions_download.php b/phpBB/includes/functions_download.php
index 86c60c31ff..053e362682 100644
--- a/phpBB/includes/functions_download.php
+++ b/phpBB/includes/functions_download.php
@@ -124,7 +124,7 @@ function wrap_img_in_html($src, $title)
 */
 function send_file_to_browser($attachment, $upload_dir, $category)
 {
-	global $user, $db, $config, $phpbb_root_path;
+	global $user, $db, $config, $phpbb_dispatcher, $phpbb_root_path;
 
 	$filename = $phpbb_root_path . $upload_dir . '/' . $attachment['physical_filename'];
 
@@ -149,6 +149,26 @@ function send_file_to_browser($attachment, $upload_dir, $category)
 	// Now send the File Contents to the Browser
 	$size = @filesize($filename);
 
+	/**
+	* Event to alter attachment before it is sent to browser.
+	*
+	* @event core.send_file_to_browser_before
+	* @var	array	attachment	Attachment data
+	* @var	string	upload_dir	Relative path of upload directory
+	* @var	int		category	Attachment category
+	* @var	string	filename	Path to file, including filename
+	* @var	int		size		File size
+	* @since 3.1.11-RC1
+	*/
+	$vars = array(
+		'attachment',
+		'upload_dir',
+		'category',
+		'filename',
+		'size',
+	);
+	extract($phpbb_dispatcher->trigger_event('core.send_file_to_browser_before', compact($vars)));
+
 	// To correctly display further errors we need to make sure we are using the correct headers for both (unsetting content-length may not work)
 
 	// Check if headers already sent or not able to get the file contents.
diff --git a/phpBB/includes/functions_messenger.php b/phpBB/includes/functions_messenger.php
index f141637fb9..a6e4cb0679 100644
--- a/phpBB/includes/functions_messenger.php
+++ b/phpBB/includes/functions_messenger.php
@@ -1046,7 +1046,18 @@ function smtpmail($addresses, $subject, $message, &$err_msg, $headers = false)
 	}
 	$collector = new \phpbb\error_collector;
 	$collector->install();
-	$smtp->socket = fsockopen($config['smtp_host'], $config['smtp_port'], $errno, $errstr, 20);
+
+	$options = array();
+	$verify_peer = (bool) $config['smtp_verify_peer'];
+	$verify_peer_name = (bool) $config['smtp_verify_peer_name'];
+	$allow_self_signed = (bool) $config['smtp_allow_self_signed'];
+	$remote_socket = $config['smtp_host'] . ':' . $config['smtp_port'];
+
+	// Set ssl context options, see http://php.net/manual/en/context.ssl.php
+	$options['ssl'] = array('verify_peer' => $verify_peer, 'verify_peer_name' => $verify_peer_name, 'allow_self_signed' => $allow_self_signed);
+	$socket_context = stream_context_create($options);
+
+	$smtp->socket = stream_socket_client($remote_socket, $errno, $errstr, 20, STREAM_CLIENT_CONNECT, $socket_context);
 	$collector->uninstall();
 	$error_contents = $collector->format_errors();
 
diff --git a/phpBB/includes/functions_posting.php b/phpBB/includes/functions_posting.php
index 30f5ba91ef..ba367e5eeb 100644
--- a/phpBB/includes/functions_posting.php
+++ b/phpBB/includes/functions_posting.php
@@ -2514,7 +2514,7 @@ function submit_post($mode, $subject, $username, $topic_type, &$poll, &$data, $u
 	* @var	string	url					The "Return to topic" URL
 	*
 	* @since 3.1.0-a3
-	* @change 3.1.0-RC3 Added vars mode, subject, username, topic_type,
+	* @changed 3.1.0-RC3 Added vars mode, subject, username, topic_type,
 	*		poll, update_message, update_search_index
 	*/
 	$vars = array(
diff --git a/phpBB/includes/functions_user.php b/phpBB/includes/functions_user.php
index 0b39339c7f..4aecbff6ba 100644
--- a/phpBB/includes/functions_user.php
+++ b/phpBB/includes/functions_user.php
@@ -272,13 +272,15 @@ function user_add($user_row, $cp_data = false, $notifications_data = null)
 	* Use this event to modify the values to be inserted when a user is added
 	*
 	* @event core.user_add_modify_data
-	* @var array	user_row		Array of user details submited to user_add
-	* @var array	cp_data			Array of Custom profile fields submited to user_add
-	* @var array	sql_ary		Array of data to be inserted when a user is added
+	* @var array	user_row			Array of user details submited to user_add
+	* @var array	cp_data				Array of Custom profile fields submited to user_add
+	* @var array	sql_ary				Array of data to be inserted when a user is added
+	* @var array	notifications_data	Array of notification data to be inserted when a user is added
 	* @since 3.1.0-a1
-	* @change 3.1.0-b5
+	* @changed 3.1.0-b5 Added user_row and cp_data
+	* @changed 3.1.11-RC1 Added notifications_data
 	*/
-	$vars = array('user_row', 'cp_data', 'sql_ary');
+	$vars = array('user_row', 'cp_data', 'sql_ary', 'notifications_data');
 	extract($phpbb_dispatcher->trigger_event('core.user_add_modify_data', compact($vars)));
 
 	$sql = 'INSERT INTO ' . USERS_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary);
@@ -1291,7 +1293,7 @@ function user_ban($mode, $ban, $ban_len, $ban_len_other, $ban_exclude, $ban_reas
 */
 function user_unban($mode, $ban)
 {
-	global $db, $user, $auth, $cache;
+	global $db, $user, $auth, $cache, $phpbb_dispatcher;
 
 	// Delete stale bans
 	$sql = 'DELETE FROM ' . BANLIST_TABLE . '
@@ -1358,6 +1360,20 @@ function user_unban($mode, $ban)
 				add_log('user', $user_id, 'LOG_UNBAN_' . strtoupper($mode), $l_unban_list);
 			}
 		}
+
+		/**
+		* Use this event to perform actions after the unban has been performed
+		*
+		* @event core.user_unban
+		* @var	string	mode			One of the following: user, ip, email
+		* @var	array	user_ids_ary	Array with user_ids
+		* @since 3.1.11-RC1
+		*/
+		$vars = array(
+			'mode',
+			'user_ids_ary',
+		);
+		extract($phpbb_dispatcher->trigger_event('core.user_unban', compact($vars)));
 	}
 
 	$cache->destroy('sql', BANLIST_TABLE);
diff --git a/phpBB/includes/mcp/mcp_forum.php b/phpBB/includes/mcp/mcp_forum.php
index e4c0640ec7..3deb58b96a 100644
--- a/phpBB/includes/mcp/mcp_forum.php
+++ b/phpBB/includes/mcp/mcp_forum.php
@@ -458,7 +458,7 @@ function merge_topics($forum_id, $topic_ids, $to_topic_id)
 		return;
 	}
 
-	$redirect = request_var('redirect', build_url(array('quickmod')));
+	$redirect = request_var('redirect', "{$phpbb_root_path}mcp.$phpEx?f=$forum_id&amp;i=main&amp;mode=forum_view");
 
 	$s_hidden_fields = build_hidden_fields(array(
 		'i'				=> 'main',
diff --git a/phpBB/includes/mcp/mcp_main.php b/phpBB/includes/mcp/mcp_main.php
index b2441aed1b..491697d2e9 100644
--- a/phpBB/includes/mcp/mcp_main.php
+++ b/phpBB/includes/mcp/mcp_main.php
@@ -164,7 +164,7 @@ class mcp_main
 				* @var	string	action		Topic quick moderation action name
 				* @var	bool	quickmod	Flag indicating whether MCP is in quick moderation mode
 				* @since 3.1.0-a4
-				* @change 3.1.0-RC4 Added variables: action, quickmod
+				* @changed 3.1.0-RC4 Added variables: action, quickmod
 				*/
 				$vars = array('action', 'quickmod');
 				extract($phpbb_dispatcher->trigger_event('core.modify_quickmod_actions', compact($vars)));
@@ -463,7 +463,7 @@ function change_topic_type($action, $topic_ids)
 */
 function mcp_move_topic($topic_ids)
 {
-	global $auth, $user, $db, $template, $phpbb_log, $request;
+	global $auth, $user, $db, $template, $phpbb_log, $request, $phpbb_dispatcher;
 	global $phpEx, $phpbb_root_path;
 
 	// Here we limit the operation to one forum only
@@ -625,6 +625,18 @@ function mcp_move_topic($topic_ids)
 					'poll_last_vote'		=>	(int) $row['poll_last_vote']
 				);
 
+				/**
+				* Perform actions before shadow topic is created.
+				*
+				* @event core.mcp_main_modify_shadow_sql
+				* @var	array	shadow	SQL array to be used by $db->sql_build_array
+				* @since 3.1.11-RC1
+				*/
+				$vars = array(
+					'shadow',
+				);
+				extract($phpbb_dispatcher->trigger_event('core.mcp_main_modify_shadow_sql', compact($vars)));
+
 				$db->sql_query('INSERT INTO ' . TOPICS_TABLE . $db->sql_build_array('INSERT', $shadow));
 
 				// Shadow topics only count on new "topics" and not posts... a shadow topic alone has 0 posts
@@ -1281,6 +1293,18 @@ function mcp_fork_topic($topic_ids)
 				'poll_vote_change'			=> (int) $topic_row['poll_vote_change'],
 			);
 
+			/**
+			* Perform actions before forked topic is created.
+			*
+			* @event core.mcp_main_modify_fork_sql
+			* @var	array	sql_ary	SQL array to be used by $db->sql_build_array
+			* @since 3.1.11-RC1
+			*/
+			$vars = array(
+				'sql_ary',
+			);
+			extract($phpbb_dispatcher->trigger_event('core.mcp_main_modify_fork_sql', compact($vars)));
+
 			$db->sql_query('INSERT INTO ' . TOPICS_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary));
 			$new_topic_id = $db->sql_nextid();
 			$new_topic_id_list[$topic_id] = $new_topic_id;
diff --git a/phpBB/includes/message_parser.php b/phpBB/includes/message_parser.php
index 16b65fb83e..bbd5e84233 100644
--- a/phpBB/includes/message_parser.php
+++ b/phpBB/includes/message_parser.php
@@ -1171,7 +1171,7 @@ class parse_message extends bbcode_firstpass
 		* @var bool		return					Do we return after the event is triggered if $warn_msg is not empty
 		* @var array	warn_msg				Array of the warning messages
 		* @since 3.1.2-RC1
-		* @change 3.1.3-RC1 Added vars $bbcode_bitfield and $bbcode_uid
+		* @changed 3.1.3-RC1 Added vars $bbcode_bitfield and $bbcode_uid
 		*/
 		$message = $this->message;
 		$warn_msg = $this->warn_msg;
diff --git a/phpBB/includes/ucp/ucp_pm_viewfolder.php b/phpBB/includes/ucp/ucp_pm_viewfolder.php
index 19acd9ecb9..3364206680 100644
--- a/phpBB/includes/ucp/ucp_pm_viewfolder.php
+++ b/phpBB/includes/ucp/ucp_pm_viewfolder.php
@@ -397,7 +397,7 @@ function view_folder($id, $mode, $folder_id, $folder)
 */
 function get_pm_from($folder_id, $folder, $user_id)
 {
-	global $user, $db, $template, $config, $auth, $phpbb_container, $phpbb_root_path, $phpEx;
+	global $user, $db, $template, $config, $auth, $phpbb_container, $phpbb_root_path, $phpEx, $phpbb_dispatcher;
 
 	$start = request_var('start', 0);
 
@@ -461,7 +461,7 @@ function get_pm_from($folder_id, $folder, $user_id)
 	$start = $pagination->validate_start($start, $config['topics_per_page'], $pm_count);
 	$pagination->generate_template_pagination($base_url, 'pagination', 'start', $pm_count, $config['topics_per_page'], $start);
 
-	$template->assign_vars(array(
+	$template_vars = array(
 		'TOTAL_MESSAGES'	=> $user->lang('VIEW_PM_MESSAGES', (int) $pm_count),
 
 		'POST_IMG'		=> (!$auth->acl_get('u_sendpm')) ? $user->img('button_topic_locked', 'POST_PM_LOCKED') : $user->img('button_pm_new', 'POST_NEW_PM'),
@@ -475,7 +475,33 @@ function get_pm_from($folder_id, $folder, $user_id)
 
 		'U_POST_NEW_TOPIC'	=> ($auth->acl_get('u_sendpm')) ? append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=pm&amp;mode=compose') : '',
 		'S_PM_ACTION'		=> append_sid("{$phpbb_root_path}ucp.$phpEx", "i=pm&amp;mode=view&amp;action=view_folder&amp;f=$folder_id" . (($start !== 0) ? "&amp;start=$start" : '')),
-	));
+	);
+
+	/**
+	* Modify template variables before they are assigned
+	*
+	* @event core.ucp_pm_view_folder_get_pm_from_template
+	* @var	int		folder_id		Folder ID
+	* @var	array	folder			Folder data
+	* @var	int		user_id			User ID
+	* @var	string	base_url		Pagination base URL
+	* @var	int		start			Pagination start
+	* @var	int		pm_count		Count of PMs
+	* @var	array	template_vars	Template variables to be assigned
+	* @since 3.1.11-RC1
+	*/
+	$vars = array(
+		'folder_id',
+		'folder',
+		'user_id',
+		'base_url',
+		'start',
+		'pm_count',
+		'template_vars',
+	);
+	extract($phpbb_dispatcher->trigger_event('core.ucp_pm_view_folder_get_pm_from_template', compact($vars)));
+
+	$template->assign_vars($template_vars);
 
 	// Grab all pm data
 	$rowset = $pm_list = array();
@@ -509,15 +535,38 @@ function get_pm_from($folder_id, $folder, $user_id)
 		$sql_sort_order = $sort_by_sql[$sort_key] . ' ' . $direction;
 	}
 
-	$sql = 'SELECT t.*, p.root_level, p.message_time, p.message_subject, p.icon_id, p.to_address, p.message_attachment, p.bcc_address, u.username, u.username_clean, u.user_colour, p.message_reported
-		FROM ' . PRIVMSGS_TO_TABLE . ' t, ' . PRIVMSGS_TABLE . ' p, ' . USERS_TABLE . " u
-		WHERE t.user_id = $user_id
+	$sql_ary = array(
+		'SELECT'	=> 't.*, p.root_level, p.message_time, p.message_subject, p.icon_id, p.to_address, p.message_attachment, p.bcc_address, u.username, u.username_clean, u.user_colour, p.message_reported',
+		'FROM'		=> array(
+			PRIVMSGS_TO_TABLE	=> 't',
+			PRIVMSGS_TABLE		=> 'p',
+			USERS_TABLE			=> 'u',
+		),
+		'WHERE'		=> "t.user_id = $user_id
 			AND p.author_id = u.user_id
 			AND $folder_sql
 			AND t.msg_id = p.msg_id
-			$sql_limit_time
-		ORDER BY $sql_sort_order";
-	$result = $db->sql_query_limit($sql, $sql_limit, $sql_start);
+			$sql_limit_time",
+		'ORDER_BY'	=> $sql_sort_order,
+	);
+
+	/**
+	* Modify SQL before it is executed
+	*
+	* @event core.ucp_pm_view_folder_get_pm_from_sql
+	* @var	array	sql_ary		SQL array
+	* @var	int		sql_limit	SQL limit
+	* @var	int		sql_start	SQL start
+	* @since 3.1.11-RC1
+	*/
+	$vars = array(
+		'sql_ary',
+		'sql_limit',
+		'sql_start',
+	);
+	extract($phpbb_dispatcher->trigger_event('core.ucp_pm_view_folder_get_pm_from_sql', compact($vars)));
+
+	$result = $db->sql_query_limit($db->sql_build_query('SELECT', $sql_ary), $sql_limit, $sql_start);
 
 	$pm_reported = array();
 	while ($row = $db->sql_fetchrow($result))
diff --git a/phpBB/includes/ucp/ucp_profile.php b/phpBB/includes/ucp/ucp_profile.php
index 0be1930f1a..4a3d8133b3 100644
--- a/phpBB/includes/ucp/ucp_profile.php
+++ b/phpBB/includes/ucp/ucp_profile.php
@@ -633,10 +633,19 @@ class ucp_profile
 										'user_avatar_height' => $result['avatar_height'],
 									);
 
+									/**
+									* Trigger events on successfull avatar change
+									*
+									* @event core.ucp_profile_avatar_sql
+									* @var	array	result	Array with data to be stored in DB
+									* @since 3.1.11-RC1
+									*/
+									$vars = array('result');
+									extract($phpbb_dispatcher->trigger_event('core.ucp_profile_avatar_sql', compact($vars)));
+
 									$sql = 'UPDATE ' . USERS_TABLE . '
 										SET ' . $db->sql_build_array('UPDATE', $result) . '
 										WHERE user_id = ' . (int) $user->data['user_id'];
-
 									$db->sql_query($sql);
 
 									meta_refresh(3, $this->u_action);
diff --git a/phpBB/includes/ucp/ucp_register.php b/phpBB/includes/ucp/ucp_register.php
index 3426af95d0..52ed410b04 100644
--- a/phpBB/includes/ucp/ucp_register.php
+++ b/phpBB/includes/ucp/ucp_register.php
@@ -45,6 +45,28 @@ class ucp_register
 		$change_lang	= request_var('change_lang', '');
 		$user_lang		= request_var('lang', $user->lang_name);
 
+		/**
+		* Add UCP register data before they are assigned to the template or submitted
+		*
+		* To assign data to the template, use $template->assign_vars()
+		*
+		* @event core.ucp_register_requests_after
+		* @var	bool	coppa		Is set coppa
+		* @var	bool	agreed		Did user agree to coppa?
+		* @var	bool	submit		Is set post submit?
+		* @var	string	change_lang	Change language request
+		* @var	string	user_lang	User language request
+		* @since 3.1.11-RC1
+		*/
+		$vars = array(
+			'coppa',
+			'agreed',
+			'submit',
+			'change_lang',
+			'user_lang',
+		);
+		extract($phpbb_dispatcher->trigger_event('core.ucp_register_requests_after', compact($vars)));
+
 		if ($agreed)
 		{
 			add_form_key('ucp_register');
diff --git a/phpBB/includes/ucp/ucp_remind.php b/phpBB/includes/ucp/ucp_remind.php
index 415bf0e84d..29d4199528 100644
--- a/phpBB/includes/ucp/ucp_remind.php
+++ b/phpBB/includes/ucp/ucp_remind.php
@@ -30,7 +30,7 @@ class ucp_remind
 	function main($id, $mode)
 	{
 		global $config, $phpbb_root_path, $phpEx;
-		global $db, $user, $auth, $template, $phpbb_container;
+		global $db, $user, $auth, $template, $phpbb_container, $phpbb_dispatcher;
 
 		if (!$config['allow_password_reset'])
 		{
@@ -43,10 +43,30 @@ class ucp_remind
 
 		if ($submit)
 		{
-			$sql = 'SELECT user_id, username, user_permissions, user_email, user_jabber, user_notify_type, user_type, user_lang, user_inactive_reason
-				FROM ' . USERS_TABLE . "
-				WHERE user_email_hash = '" . $db->sql_escape(phpbb_email_hash($email)) . "'
-					AND username_clean = '" . $db->sql_escape(utf8_clean_string($username)) . "'";
+			$sql_array = array(
+				'SELECT'	=> 'user_id, username, user_permissions, user_email, user_jabber, user_notify_type, user_type, user_lang, user_inactive_reason',
+				'FROM'		=> array(USERS_TABLE => 'u'),
+				'WHERE'		=> "user_email_hash = '" . $db->sql_escape(phpbb_email_hash($email)) . "'
+									AND username_clean = '" . $db->sql_escape(utf8_clean_string($username)) . "'"
+			);
+
+			/**
+			* Change SQL query for fetching user data
+			*
+			* @event core.ucp_remind_modify_select_sql
+			* @var	string	email		User's email from the form
+			* @var	string	username	User's username from the form
+			* @var	array	sql_array	Fully assembled SQL query with keys SELECT, FROM, WHERE
+			* @since 3.1.11-RC1
+			*/
+			$vars = array(
+				'email',
+				'username',
+				'sql_array',
+			);
+			extract($phpbb_dispatcher->trigger_event('core.ucp_remind_modify_select_sql', compact($vars)));
+
+			$sql = $db->sql_build_query('SELECT', $sql_array);
 			$result = $db->sql_query($sql);
 			$user_row = $db->sql_fetchrow($result);
 			$db->sql_freeresult($result);