18 files changed, 403 insertions, 55 deletions
diff --git a/phpBB/phpbb/auth/provider/oauth/oauth.php b/phpBB/phpbb/auth/provider/oauth/oauth.php
index 5587e69d3c..8809a0c6b4 100644
--- a/phpBB/phpbb/auth/provider/oauth/oauth.php
+++ b/phpBB/phpbb/auth/provider/oauth/oauth.php
@@ -227,6 +227,22 @@ class oauth extends \phpbb\auth\provider\base
 			$row = $this->db->sql_fetchrow($result);
 			$this->db->sql_freeresult($result);
 
+			/**
+			* Event is triggered before check if provider is already associated with an account
+			*
+			* @event core.oauth_login_after_check_if_provider_id_has_match
+			* @var	array									row		User row
+			* @var	array									data	Provider data
+			* @var	\OAuth\Common\Service\ServiceInterface	service	OAuth service
+			* @since 3.2.3-RC1
+			*/
+			$vars = array(
+				'row',
+				'data',
+				'service',
+			);
+			extract($this->dispatcher->trigger_event('core.oauth_login_after_check_if_provider_id_has_match', compact($vars)));
+
 			if (!$row)
 			{
 				// The user does not yet exist, ask to link or create profile
diff --git a/phpBB/phpbb/avatar/driver/upload.php b/phpBB/phpbb/avatar/driver/upload.php
index d765a27871..77b44754ac 100644
--- a/phpBB/phpbb/avatar/driver/upload.php
+++ b/phpBB/phpbb/avatar/driver/upload.php
@@ -203,15 +203,18 @@ class upload extends \phpbb\avatar\driver\driver
 		*
 		* @event core.avatar_driver_upload_move_file_before
 		* @var	array	filedata			Array containing uploaded file data
+		* @var	\phpbb\files\filespec file	Instance of filespec class
 		* @var	string	destination			Destination directory where the file is going to be moved
 		* @var	string	prefix				Prefix for the avatar filename
 		* @var	array	row					Array with avatar row data
 		* @var	array	error				Array of errors, if filled in by this event file will not be moved
 		* @since 3.1.6-RC1
 		* @changed 3.1.9-RC1 Added filedata
+		* @changed 3.2.3-RC1 Added file
 		*/
 		$vars = array(
 			'filedata',
+			'file',
 			'destination',
 			'prefix',
 			'row',
diff --git a/phpBB/phpbb/db/driver/driver.php b/phpBB/phpbb/db/driver/driver.php
index 5851469806..a36ce8c0d7 100644
--- a/phpBB/phpbb/db/driver/driver.php
+++ b/phpBB/phpbb/db/driver/driver.php
@@ -903,9 +903,10 @@ abstract class driver implements driver_interface
 
 							// Subquery with {left hand} {operator} {compare kind} {SELECT Kind } {Sub Query}
 
-							$condition = $condition[self::LEFT_STMT] . ' ' . $condition[self::COMPARE_OP] . ' ' . $condition[self::SUBQUERY_OP] . ' ( ';
-							$condition .= $this->sql_build_query($condition[self::SUBQUERY_SELECT_TYPE], $condition[self::SUBQUERY_BUILD]);
-							$condition .= ' )';
+							$result = $condition[self::LEFT_STMT] . ' ' . $condition[self::COMPARE_OP] . ' ' . $condition[self::SUBQUERY_OP] . ' ( ';
+							$result .= $this->sql_build_query($condition[self::SUBQUERY_SELECT_TYPE], $condition[self::SUBQUERY_BUILD]);
+							$result .= ' )';
+							$condition = $result;
 
 						break;
 
diff --git a/phpBB/phpbb/db/migration/data/v32x/enable_accurate_pm_button.php b/phpBB/phpbb/db/migration/data/v32x/enable_accurate_pm_button.php
new file mode 100644
index 0000000000..a7b99606f7
--- /dev/null
+++ b/phpBB/phpbb/db/migration/data/v32x/enable_accurate_pm_button.php
@@ -0,0 +1,36 @@
+<?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\data\v32x;
+
+class enable_accurate_pm_button extends \phpbb\db\migration\migration
+{
+	static public function depends_on()
+	{
+		return array(
+			'\phpbb\db\migration\data\v32x\v322',
+		);
+	}
+
+	public function effectively_installed()
+	{
+		return isset($this->config['enable_accurate_pm_button']);
+	}
+
+	public function update_data()
+	{
+		return array(
+			array('config.add', array('enable_accurate_pm_button', '1')),
+		);
+	}
+}
diff --git a/phpBB/phpbb/db/migration/data/v32x/merge_duplicate_bbcodes.php b/phpBB/phpbb/db/migration/data/v32x/merge_duplicate_bbcodes.php
index 08609b571b..71ee19e3dd 100644
--- a/phpBB/phpbb/db/migration/data/v32x/merge_duplicate_bbcodes.php
+++ b/phpBB/phpbb/db/migration/data/v32x/merge_duplicate_bbcodes.php
@@ -46,16 +46,25 @@ class merge_duplicate_bbcodes extends \phpbb\db\migration\container_aware_migrat
 
 	protected function merge_bbcodes(array $without, array $with)
 	{
-		$merged = $this->container->get('text_formatter.s9e.bbcode_merger')->merge_bbcodes(
-			[
-				'usage'    => $without['bbcode_match'],
-				'template' => $without['bbcode_tpl']
-			],
-			[
-				'usage'    => $with['bbcode_match'],
-				'template' => $with['bbcode_tpl']
-			]
-		);
+		try
+		{
+			$merged = $this->container->get('text_formatter.s9e.bbcode_merger')->merge_bbcodes(
+				[
+					'usage'    => $without['bbcode_match'],
+					'template' => $without['bbcode_tpl']
+				],
+				[
+					'usage'    => $with['bbcode_match'],
+					'template' => $with['bbcode_tpl']
+				]
+			);
+		}
+		catch (\Exception $e)
+		{
+			// Ignore the pair and move on. The BBCodes would have to be fixed manually
+			return;
+		}
+
 		$bbcode_data = [
 			'bbcode_tag'      => $without['bbcode_tag'],
 			'bbcode_helpline' => $without['bbcode_helpline'] . ' | ' . $with['bbcode_helpline'],
@@ -65,11 +74,11 @@ class merge_duplicate_bbcodes extends \phpbb\db\migration\container_aware_migrat
 
 		$sql = 'UPDATE ' . BBCODES_TABLE . '
 			SET ' . $this->db->sql_build_array('UPDATE', $bbcode_data) . '
-			WHERE bbcode_id = ' . $without['bbcode_id'];
+			WHERE bbcode_id = ' . (int) $without['bbcode_id'];
 		$this->sql_query($sql);
 
 		$sql = 'DELETE FROM ' . BBCODES_TABLE . '
-			WHERE bbcode_id = ' . $with['bbcode_id'];
+			WHERE bbcode_id = ' . (int) $with['bbcode_id'];
 		$this->sql_query($sql);
 	}
 }
diff --git a/phpBB/phpbb/db/migration/data/v32x/v323rc1.php b/phpBB/phpbb/db/migration/data/v32x/v323rc1.php
new file mode 100644
index 0000000000..0ff20d5074
--- /dev/null
+++ b/phpBB/phpbb/db/migration/data/v32x/v323rc1.php
@@ -0,0 +1,36 @@
+<?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\data\v32x;
+
+class v323rc1 extends \phpbb\db\migration\migration
+{
+	public function effectively_installed()
+	{
+		return phpbb_version_compare($this->config['version'], '3.2.3-RC1', '>=');
+	}
+
+	static public function depends_on()
+	{
+		return array(
+			'\phpbb\db\migration\data\v32x\enable_accurate_pm_button',
+		);
+	}
+
+	public function update_data()
+	{
+		return array(
+			array('config.update', array('version', '3.2.3-RC1')),
+		);
+	}
+}
diff --git a/phpBB/phpbb/db/migration/tool/module.php b/phpBB/phpbb/db/migration/tool/module.php
index 8a48efb19c..3893935723 100644
--- a/phpBB/phpbb/db/migration/tool/module.php
+++ b/phpBB/phpbb/db/migration/tool/module.php
@@ -86,7 +86,8 @@ class module implements \phpbb\db\migration\tool\tool_interface
 	* 		check for to see if it exists
 	* @param bool $lazy Checks lazily if the module exists. Returns true if it exists in at
 	*       least one given parent.
-	* @return bool true if module exists in *all* given parents, false if not
+	* @return bool true if module exists in *all* given parents, false if not in any given parent;
+	 *      true if ignoring parent check and module exists class wide, false if not found at all.
 	*/
 	public function exists($class, $parent, $module, $lazy = false)
 	{
@@ -110,6 +111,10 @@ class module implements \phpbb\db\migration\tool\tool_interface
 				$parent_sqls[] = 'AND parent_id = ' . (int) $parent_id;
 			}
 		}
+		else
+		{
+			$parent_sqls[] = '';
+		}
 
 		foreach ($parent_sqls as $parent_sql)
 		{
@@ -126,7 +131,7 @@ class module implements \phpbb\db\migration\tool\tool_interface
 			{
 				return false;
 			}
-			else if ($lazy && $module_id)
+			if ($lazy && $module_id)
 			{
 				return true;
 			}
diff --git a/phpBB/phpbb/debug/error_handler.php b/phpBB/phpbb/debug/error_handler.php
index 246e724f56..ebd828b97f 100644
--- a/phpBB/phpbb/debug/error_handler.php
+++ b/phpBB/phpbb/debug/error_handler.php
@@ -17,7 +17,7 @@ use Symfony\Component\Debug\ErrorHandler;
 
 class error_handler extends ErrorHandler
 {
-	public function handleError($type, $message, $file, $line, array $context, array $backtrace = null)
+	public function handleError($type, $message, $file, $line)
 	{
 		if ($type === E_USER_WARNING || $type === E_USER_NOTICE)
 		{
@@ -26,6 +26,6 @@ class error_handler extends ErrorHandler
 			$handler($type, $message, $file, $line);
 		}
 
-		return parent::handleError($type, $message, $file, $line, $context, $backtrace);
+		return parent::handleError($type, $message, $file, $line);
 	}
 }
diff --git a/phpBB/phpbb/file_downloader.php b/phpBB/phpbb/file_downloader.php
index ab9505a14c..403ca5bc83 100644
--- a/phpBB/phpbb/file_downloader.php
+++ b/phpBB/phpbb/file_downloader.php
@@ -42,7 +42,7 @@ class file_downloader
 		$this->error_number = 0;
 		$this->error_string = '';
 
-		if ($socket = @fsockopen(($port == 443 ? 'tls://' : '') . $host, $port, $this->error_number, $this->error_string, $timeout))
+		if ($socket = @fsockopen(($port == 443 ? 'ssl://' : '') . $host, $port, $this->error_number, $this->error_string, $timeout))
 		{
 			@fputs($socket, "GET $directory/$filename HTTP/1.0\r\n");
 			@fputs($socket, "HOST: $host\r\n");
diff --git a/phpBB/phpbb/install/helper/database.php b/phpBB/phpbb/install/helper/database.php
index ad0f3dd3cd..21af652f9d 100644
--- a/phpBB/phpbb/install/helper/database.php
+++ b/phpBB/phpbb/install/helper/database.php
@@ -338,7 +338,7 @@ class database
 
 		// Check if SQLite database is writable
 		if ($dbms_info['SCHEMA'] === 'sqlite'
-			&& (!$this->filesystem->is_writable($dbhost) || !$this->filesystem->is_writable(pathinfo($dbhost, PATHINFO_DIRNAME))))
+			&& (($this->filesystem->exists($dbhost) && !$this->filesystem->is_writable($dbhost)) || !$this->filesystem->is_writable(pathinfo($dbhost, PATHINFO_DIRNAME))))
 		{
 			$errors[] = array(
 				'title' =>'INST_ERR_DB_NO_WRITABLE',
diff --git a/phpBB/phpbb/report/report_handler_pm.php b/phpBB/phpbb/report/report_handler_pm.php
index 2f2a697efc..774ca329ad 100644
--- a/phpBB/phpbb/report/report_handler_pm.php
+++ b/phpBB/phpbb/report/report_handler_pm.php
@@ -53,8 +53,8 @@ class report_handler_pm extends report_handler
 			'user_notify'						=> $user_notify,
 			'report_text'						=> $report_text,
 			'reported_post_text'				=> $this->report_data['message_text'],
-			'reported_post_uid'					=> $this->report_data['bbcode_bitfield'],
-			'reported_post_bitfield'			=> $this->report_data['bbcode_uid'],
+			'reported_post_uid'					=> $this->report_data['bbcode_uid'],
+			'reported_post_bitfield'			=> $this->report_data['bbcode_bitfield'],
 			'reported_post_enable_bbcode'		=> $this->report_data['enable_bbcode'],
 			'reported_post_enable_smilies'		=> $this->report_data['enable_smilies'],
 			'reported_post_enable_magic_url'	=> $this->report_data['enable_magic_url'],
diff --git a/phpBB/phpbb/report/report_handler_post.php b/phpBB/phpbb/report/report_handler_post.php
index 5574a16dc0..52f09683ce 100644
--- a/phpBB/phpbb/report/report_handler_post.php
+++ b/phpBB/phpbb/report/report_handler_post.php
@@ -59,8 +59,8 @@ class report_handler_post extends report_handler
 			'user_notify'						=> $user_notify,
 			'report_text'						=> $report_text,
 			'reported_post_text'				=> $this->report_data['post_text'],
-			'reported_post_uid'					=> $this->report_data['bbcode_bitfield'],
-			'reported_post_bitfield'			=> $this->report_data['bbcode_uid'],
+			'reported_post_uid'					=> $this->report_data['bbcode_uid'],
+			'reported_post_bitfield'			=> $this->report_data['bbcode_bitfield'],
 			'reported_post_enable_bbcode'		=> $this->report_data['enable_bbcode'],
 			'reported_post_enable_smilies'		=> $this->report_data['enable_smilies'],
 			'reported_post_enable_magic_url'	=> $this->report_data['enable_magic_url'],
diff --git a/phpBB/phpbb/search/fulltext_mysql.php b/phpBB/phpbb/search/fulltext_mysql.php
index 51c5fe8b76..137ed7433d 100644
--- a/phpBB/phpbb/search/fulltext_mysql.php
+++ b/phpBB/phpbb/search/fulltext_mysql.php
@@ -918,6 +918,34 @@ class fulltext_mysql extends \phpbb\search\base
 
 		$words = array_unique(array_merge($split_text, $split_title));
 
+		/**
+		* Event to modify method arguments and words before the MySQL search index is updated
+		*
+		* @event core.search_mysql_index_before
+		* @var string	mode				Contains the post mode: edit, post, reply, quote
+		* @var int		post_id				The id of the post which is modified/created
+		* @var string	message				New or updated post content
+		* @var string	subject				New or updated post subject
+		* @var int		poster_id			Post author's user id
+		* @var int		forum_id			The id of the forum in which the post is located
+		* @var array	words				List of words added to the index
+		* @var array	split_text			Array of words from the message
+		* @var array	split_title			Array of words from the title
+		* @since 3.2.3-RC1
+		*/
+		$vars = array(
+			'mode',
+			'post_id',
+			'message',
+			'subject',
+			'poster_id',
+			'forum_id',
+			'words',
+			'split_text',
+			'split_title',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_mysql_index_before', compact($vars)));
+
 		unset($split_text);
 		unset($split_title);
 
@@ -997,17 +1025,37 @@ class fulltext_mysql extends \phpbb\search\base
 			$alter_list[] = $alter_entry;
 		}
 
-		if (count($alter_list))
+		$sql_queries = [];
+
+		foreach ($alter_list as $alter)
 		{
-			foreach ($alter_list as $alter)
-			{
-				$this->db->sql_query('ALTER TABLE ' . POSTS_TABLE . ' ' . implode(', ', $alter));
-			}
+			$sql_queries[] = 'ALTER TABLE ' . POSTS_TABLE . ' ' . implode(', ', $alter);
 		}
 
 		if (!isset($this->stats['post_text']))
 		{
-			$this->db->sql_query('ALTER TABLE ' . POSTS_TABLE . ' ADD FULLTEXT post_text (post_text)');
+			$sql_queries[] = 'ALTER TABLE ' . POSTS_TABLE . ' ADD FULLTEXT post_text (post_text)';
+		}
+
+		$stats = $this->stats;
+
+		/**
+		* Event to modify SQL queries before the MySQL search index is created
+		*
+		* @event core.search_mysql_create_index_before
+		* @var array	sql_queries			Array with queries for creating the search index
+		* @var array	stats				Array with statistics of the current index (read only)
+		* @since 3.2.3-RC1
+		*/
+		$vars = array(
+			'sql_queries',
+			'stats',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_mysql_create_index_before', compact($vars)));
+
+		foreach ($sql_queries as $sql_query)
+		{
+			$this->db->sql_query($sql_query);
 		}
 
 		$this->db->sql_query('TRUNCATE TABLE ' . SEARCH_RESULTS_TABLE);
@@ -1050,9 +1098,32 @@ class fulltext_mysql extends \phpbb\search\base
 			$alter[] = 'DROP INDEX post_text';
 		}
 
+		$sql_queries = [];
+
 		if (count($alter))
 		{
-			$this->db->sql_query('ALTER TABLE ' . POSTS_TABLE . ' ' . implode(', ', $alter));
+			$sql_queries[] = 'ALTER TABLE ' . POSTS_TABLE . ' ' . implode(', ', $alter);
+		}
+
+		$stats = $this->stats;
+
+		/**
+		* Event to modify SQL queries before the MySQL search index is deleted
+		*
+		* @event core.search_mysql_delete_index_before
+		* @var array	sql_queries			Array with queries for deleting the search index
+		* @var array	stats				Array with statistics of the current index (read only)
+		* @since 3.2.3-RC1
+		*/
+		$vars = array(
+			'sql_queries',
+			'stats',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_mysql_delete_index_before', compact($vars)));
+
+		foreach ($sql_queries as $sql_query)
+		{
+			$this->db->sql_query($sql_query);
 		}
 
 		$this->db->sql_query('TRUNCATE TABLE ' . SEARCH_RESULTS_TABLE);
diff --git a/phpBB/phpbb/search/fulltext_native.php b/phpBB/phpbb/search/fulltext_native.php
index bd222488a0..4172e2cc4f 100644
--- a/phpBB/phpbb/search/fulltext_native.php
+++ b/phpBB/phpbb/search/fulltext_native.php
@@ -1433,6 +1433,38 @@ class fulltext_native extends \phpbb\search\base
 			$words['del']['post'] = array();
 			$words['del']['title'] = array();
 		}
+
+		/**
+		* Event to modify method arguments and words before the native search index is updated
+		*
+		* @event core.search_native_index_before
+		* @var string	mode				Contains the post mode: edit, post, reply, quote
+		* @var int		post_id				The id of the post which is modified/created
+		* @var string	message				New or updated post content
+		* @var string	subject				New or updated post subject
+		* @var int		poster_id			Post author's user id
+		* @var int		forum_id			The id of the forum in which the post is located
+		* @var array	words				Grouped lists of words added to or remove from the index
+		* @var array	split_text			Array of words from the message
+		* @var array	split_title			Array of words from the title
+		* @var array	cur_words			Array of words currently in the index for comparing to new words
+		* 									when mode is edit. Empty for other modes.
+		* @since 3.2.3-RC1
+		*/
+		$vars = array(
+			'mode',
+			'post_id',
+			'message',
+			'subject',
+			'poster_id',
+			'forum_id',
+			'words',
+			'split_text',
+			'split_title',
+			'cur_words',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_native_index_before', compact($vars)));
+
 		unset($split_text);
 		unset($split_title);
 
@@ -1664,20 +1696,43 @@ class fulltext_native extends \phpbb\search\base
 	*/
 	public function delete_index($acp_module, $u_action)
 	{
+		$sql_queries = [];
+
 		switch ($this->db->get_sql_layer())
 		{
 			case 'sqlite3':
-				$this->db->sql_query('DELETE FROM ' . SEARCH_WORDLIST_TABLE);
-				$this->db->sql_query('DELETE FROM ' . SEARCH_WORDMATCH_TABLE);
-				$this->db->sql_query('DELETE FROM ' . SEARCH_RESULTS_TABLE);
+				$sql_queries[] = 'DELETE FROM ' . SEARCH_WORDLIST_TABLE;
+				$sql_queries[] = 'DELETE FROM ' . SEARCH_WORDMATCH_TABLE;
+				$sql_queries[] = 'DELETE FROM ' . SEARCH_RESULTS_TABLE;
 			break;
 
 			default:
-				$this->db->sql_query('TRUNCATE TABLE ' . SEARCH_WORDLIST_TABLE);
-				$this->db->sql_query('TRUNCATE TABLE ' . SEARCH_WORDMATCH_TABLE);
-				$this->db->sql_query('TRUNCATE TABLE ' . SEARCH_RESULTS_TABLE);
+				$sql_queries[] = 'TRUNCATE TABLE ' . SEARCH_WORDLIST_TABLE;
+				$sql_queries[] = 'TRUNCATE TABLE ' . SEARCH_WORDMATCH_TABLE;
+				$sql_queries[] = 'TRUNCATE TABLE ' . SEARCH_RESULTS_TABLE;
 			break;
 		}
+
+		$stats = $this->stats;
+
+		/**
+		* Event to modify SQL queries before the native search index is deleted
+		*
+		* @event core.search_native_delete_index_before
+		* @var array	sql_queries			Array with queries for deleting the search index
+		* @var array	stats				Array with statistics of the current index (read only)
+		* @since 3.2.3-RC1
+		*/
+		$vars = array(
+			'sql_queries',
+			'stats',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_native_delete_index_before', compact($vars)));
+
+		foreach ($sql_queries as $sql_query)
+		{
+			$this->db->sql_query($sql_query);
+		}
 	}
 
 	/**
diff --git a/phpBB/phpbb/search/fulltext_postgres.php b/phpBB/phpbb/search/fulltext_postgres.php
index 6443342057..2f387e791e 100644
--- a/phpBB/phpbb/search/fulltext_postgres.php
+++ b/phpBB/phpbb/search/fulltext_postgres.php
@@ -889,6 +889,34 @@ class fulltext_postgres extends \phpbb\search\base
 
 		$words = array_unique(array_merge($split_text, $split_title));
 
+		/**
+		* Event to modify method arguments and words before the PostgreSQL search index is updated
+		*
+		* @event core.search_postgres_index_before
+		* @var string	mode				Contains the post mode: edit, post, reply, quote
+		* @var int		post_id				The id of the post which is modified/created
+		* @var string	message				New or updated post content
+		* @var string	subject				New or updated post subject
+		* @var int		poster_id			Post author's user id
+		* @var int		forum_id			The id of the forum in which the post is located
+		* @var array	words				Array of words added to the index
+		* @var array	split_text			Array of words from the message
+		* @var array	split_title			Array of words from the title
+		* @since 3.2.3-RC1
+		*/
+		$vars = array(
+			'mode',
+			'post_id',
+			'message',
+			'subject',
+			'poster_id',
+			'forum_id',
+			'words',
+			'split_text',
+			'split_title',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_postgres_index_before', compact($vars)));
+
 		unset($split_text);
 		unset($split_title);
 
@@ -935,14 +963,37 @@ class fulltext_postgres extends \phpbb\search\base
 			$this->get_stats();
 		}
 
+		$sql_queries = [];
+
 		if (!isset($this->stats['post_subject']))
 		{
-			$this->db->sql_query("CREATE INDEX " . POSTS_TABLE . "_" . $this->config['fulltext_postgres_ts_name'] . "_post_subject ON " . POSTS_TABLE . " USING gin (to_tsvector ('" . $this->db->sql_escape($this->config['fulltext_postgres_ts_name']) . "', post_subject))");
+			$sql_queries[] = "CREATE INDEX " . POSTS_TABLE . "_" . $this->config['fulltext_postgres_ts_name'] . "_post_subject ON " . POSTS_TABLE . " USING gin (to_tsvector ('" . $this->db->sql_escape($this->config['fulltext_postgres_ts_name']) . "', post_subject))";
 		}
 
 		if (!isset($this->stats['post_content']))
 		{
-			$this->db->sql_query("CREATE INDEX " . POSTS_TABLE . "_" . $this->config['fulltext_postgres_ts_name'] . "_post_content ON " . POSTS_TABLE . " USING gin (to_tsvector ('" . $this->db->sql_escape($this->config['fulltext_postgres_ts_name']) . "', post_text || ' ' || post_subject))");
+			$sql_queries[] = "CREATE INDEX " . POSTS_TABLE . "_" . $this->config['fulltext_postgres_ts_name'] . "_post_content ON " . POSTS_TABLE . " USING gin (to_tsvector ('" . $this->db->sql_escape($this->config['fulltext_postgres_ts_name']) . "', post_text || ' ' || post_subject))";
+		}
+
+		$stats = $this->stats;
+
+		/**
+		* Event to modify SQL queries before the Postgres search index is created
+		*
+		* @event core.search_postgres_create_index_before
+		* @var array	sql_queries			Array with queries for creating the search index
+		* @var array	stats				Array with statistics of the current index (read only)
+		* @since 3.2.3-RC1
+		*/
+		$vars = array(
+			'sql_queries',
+			'stats',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_postgres_create_index_before', compact($vars)));
+
+		foreach ($sql_queries as $sql_query)
+		{
+			$this->db->sql_query($sql_query);
 		}
 
 		$this->db->sql_query('TRUNCATE TABLE ' . SEARCH_RESULTS_TABLE);
@@ -968,14 +1019,37 @@ class fulltext_postgres extends \phpbb\search\base
 			$this->get_stats();
 		}
 
+		$sql_queries = [];
+
 		if (isset($this->stats['post_subject']))
 		{
-			$this->db->sql_query('DROP INDEX ' . $this->stats['post_subject']['relname']);
+			$sql_queries[] = 'DROP INDEX ' . $this->stats['post_subject']['relname'];
 		}
 
 		if (isset($this->stats['post_content']))
 		{
-			$this->db->sql_query('DROP INDEX ' . $this->stats['post_content']['relname']);
+			$sql_queries[] = 'DROP INDEX ' . $this->stats['post_content']['relname'];
+		}
+
+		$stats = $this->stats;
+
+		/**
+		* Event to modify SQL queries before the Postgres search index is created
+		*
+		* @event core.search_postgres_delete_index_before
+		* @var array	sql_queries			Array with queries for deleting the search index
+		* @var array	stats				Array with statistics of the current index (read only)
+		* @since 3.2.3-RC1
+		*/
+		$vars = array(
+			'sql_queries',
+			'stats',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_postgres_delete_index_before', compact($vars)));
+
+		foreach ($sql_queries as $sql_query)
+		{
+			$this->db->sql_query($sql_query);
 		}
 
 		$this->db->sql_query('TRUNCATE TABLE ' . SEARCH_RESULTS_TABLE);
diff --git a/phpBB/phpbb/search/fulltext_sphinx.php b/phpBB/phpbb/search/fulltext_sphinx.php
index 54d32ca371..e2eeb5f7f3 100644
--- a/phpBB/phpbb/search/fulltext_sphinx.php
+++ b/phpBB/phpbb/search/fulltext_sphinx.php
@@ -758,6 +758,28 @@ class fulltext_sphinx
 	 */
 	public function index($mode, $post_id, &$message, &$subject, $poster_id, $forum_id)
 	{
+		/**
+		* Event to modify method arguments before the Sphinx search index is updated
+		*
+		* @event core.search_sphinx_index_before
+		* @var string	mode				Contains the post mode: edit, post, reply, quote
+		* @var int		post_id				The id of the post which is modified/created
+		* @var string	message				New or updated post content
+		* @var string	subject				New or updated post subject
+		* @var int		poster_id			Post author's user id
+		* @var int		forum_id			The id of the forum in which the post is located
+		* @since 3.2.3-RC1
+		*/
+		$vars = array(
+			'mode',
+			'post_id',
+			'message',
+			'subject',
+			'poster_id',
+			'forum_id',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_sphinx_index_before', compact($vars)));
+
 		if ($mode == 'edit')
 		{
 			$this->sphinx->UpdateAttributes($this->indexes, array('forum_id', 'poster_id'), array((int) $post_id => array((int) $forum_id, (int) $poster_id)));
diff --git a/phpBB/phpbb/textformatter/s9e/bbcode_merger.php b/phpBB/phpbb/textformatter/s9e/bbcode_merger.php
index 72b1473751..a05ca3c2b8 100644
--- a/phpBB/phpbb/textformatter/s9e/bbcode_merger.php
+++ b/phpBB/phpbb/textformatter/s9e/bbcode_merger.php
@@ -37,6 +37,9 @@ class bbcode_merger
 	*
 	* All of the arrays contain a "usage" element and a "template" element
 	*
+	* @throws InvalidArgumentException if a definition cannot be interpreted
+	* @throws RuntimeException if something unexpected occurs
+	*
 	* @param  array $without BBCode definition without an attribute
 	* @param  array $with    BBCode definition with an attribute
 	* @return array          Merged definition
diff --git a/phpBB/phpbb/textformatter/s9e/factory.php b/phpBB/phpbb/textformatter/s9e/factory.php
index 1e85856898..c0bbc7b0e8 100644
--- a/phpBB/phpbb/textformatter/s9e/factory.php
+++ b/phpBB/phpbb/textformatter/s9e/factory.php
@@ -132,6 +132,11 @@ class factory implements \phpbb\textformatter\cache_interface
 	protected $dispatcher;
 
 	/**
+	* @var \phpbb\log\log_interface
+	*/
+	protected $log;
+
+	/**
 	* Constructor
 	*
 	* @param \phpbb\textformatter\data_access $data_access
@@ -139,11 +144,12 @@ class factory implements \phpbb\textformatter\cache_interface
 	* @param \phpbb\event\dispatcher_interface $dispatcher
 	* @param \phpbb\config\config $config
 	* @param \phpbb\textformatter\s9e\link_helper $link_helper
+	* @param \phpbb\log\log_interface $log
 	* @param string $cache_dir          Path to the cache dir
 	* @param string $cache_key_parser   Cache key used for the parser
 	* @param string $cache_key_renderer Cache key used for the renderer
 	*/
-	public function __construct(\phpbb\textformatter\data_access $data_access, \phpbb\cache\driver\driver_interface $cache, \phpbb\event\dispatcher_interface $dispatcher, \phpbb\config\config $config, \phpbb\textformatter\s9e\link_helper $link_helper, $cache_dir, $cache_key_parser, $cache_key_renderer)
+	public function __construct(\phpbb\textformatter\data_access $data_access, \phpbb\cache\driver\driver_interface $cache, \phpbb\event\dispatcher_interface $dispatcher, \phpbb\config\config $config, \phpbb\textformatter\s9e\link_helper $link_helper, \phpbb\log\log_interface $log, $cache_dir, $cache_key_parser, $cache_key_renderer)
 	{
 		$this->link_helper = $link_helper;
 		$this->cache = $cache;
@@ -153,6 +159,7 @@ class factory implements \phpbb\textformatter\cache_interface
 		$this->config = $config;
 		$this->data_access = $data_access;
 		$this->dispatcher = $dispatcher;
+		$this->log = $log;
 	}
 
 	/**
@@ -272,7 +279,7 @@ class factory implements \phpbb\textformatter\cache_interface
 		// Add default BBCodes
 		foreach ($this->get_default_bbcodes($configurator) as $bbcode)
 		{
-			$configurator->BBCodes->addCustom($bbcode['usage'], new UnsafeTemplate($bbcode['template']));
+			$this->add_bbcode($configurator, $bbcode['usage'], $bbcode['template']);
 		}
 		if (isset($configurator->tags['QUOTE']))
 		{
@@ -299,17 +306,7 @@ class factory implements \phpbb\textformatter\cache_interface
 				},
 				$row['bbcode_tpl']
 			);
-
-			try
-			{
-				$configurator->BBCodes->addCustom($row['bbcode_match'], new UnsafeTemplate($tpl));
-			}
-			catch (\Exception $e)
-			{
-				/**
-				* @todo log an error?
-				*/
-			}
+			$this->add_bbcode($configurator, $row['bbcode_match'], $tpl);
 		}
 
 		// Load smilies
@@ -419,6 +416,26 @@ class factory implements \phpbb\textformatter\cache_interface
 	}
 
 	/**
+	* Add a BBCode to given configurator
+	*
+	* @param  Configurator $configurator
+	* @param  string       $usage
+	* @param  string       $template
+	* @return void
+	*/
+	protected function add_bbcode(Configurator $configurator, $usage, $template)
+	{
+		try
+		{
+			$configurator->BBCodes->addCustom($usage, new UnsafeTemplate($template));
+		}
+		catch (\Exception $e)
+		{
+			$this->log->add('critical', null, null, 'LOG_BBCODE_CONFIGURATION_ERROR', false, [$usage, $e->getMessage()]);
+		}
+	}
+
+	/**
 	* Configure the Autolink / Autoemail plugins used to linkify text
 	*
 	* @param  \s9e\TextFormatter\Configurator $configurator