2 files changed, 31 insertions, 1 deletions
diff --git a/phpBB/includes/functions_content.php b/phpBB/includes/functions_content.php
index dd9201165b..b1f69c5756 100644
--- a/phpBB/includes/functions_content.php
+++ b/phpBB/includes/functions_content.php
@@ -20,6 +20,7 @@ if (!defined('IN_PHPBB'))
 * make_jumpbox()
 * bump_topic_allowed()
 * get_context()
+* phpbb_clean_search_string()
 * decode_message()
 * strip_bbcode()
 * generate_text_for_display()
@@ -360,6 +361,23 @@ function get_context($text, $words, $length = 400)
 }
 
 /**
+* Cleans a search string by removing single wildcards from it and replacing multiple spaces with a single one.
+*
+* @param string $search_string The full search string which should be cleaned.
+*
+* @return string The cleaned search string without any wildcards and multiple spaces.
+*/
+function phpbb_clean_search_string($search_string)
+{
+	// This regular expressions matches every single wildcard.
+	// That means one after a whitespace or the beginning of the string or one before a whitespace or the end of the string.
+	$search_string = preg_replace('#(?<=^|\s)\*+(?=\s|$)#', '', $search_string);
+	$search_string = trim($search_string);
+	$search_string = preg_replace(array('#\s+#u', '#\*+#u'), array(' ', '*'), $search_string);
+	return $search_string;
+}
+
+/**
 * Decode text whereby text is coming from the db and expected to be pre-parsed content
 * We are placing this outside of the message parser because we are often in need of it...
 */
diff --git a/phpBB/includes/functions_privmsgs.php b/phpBB/includes/functions_privmsgs.php
index 17d67b4a23..9b44984dfa 100644
--- a/phpBB/includes/functions_privmsgs.php
+++ b/phpBB/includes/functions_privmsgs.php
@@ -1575,7 +1575,7 @@ function get_folder_status($folder_id, $folder)
 */
 function submit_pm($mode, $subject, &$data, $put_in_outbox = true)
 {
-	global $db, $auth, $config, $phpEx, $template, $user, $phpbb_root_path, $phpbb_container;
+	global $db, $auth, $config, $phpEx, $template, $user, $phpbb_root_path, $phpbb_container, $phpbb_dispatcher;
 
 	// We do not handle erasing pms here
 	if ($mode == 'delete')
@@ -1585,6 +1585,18 @@ function submit_pm($mode, $subject, &$data, $put_in_outbox = true)
 
 	$current_time = time();
 
+	/**
+	* Get all parts of the PM that are to be submited to the DB.
+	*
+	* @event	core.submit_pm_before
+	* @var	string	mode	PM Post mode - post|reply|quote|quotepost|forward|edit
+	* @var	string	subject	Subject of the private message
+	* @var	array	data	The whole row data of the PM.
+	* @since 3.1.0-b3
+	*/
+	$vars = array('mode', 'subject', 'data');
+	extract($phpbb_dispatcher->trigger_event('core.submit_pm_before', compact($vars)));
+
 	// Collect some basic information about which tables and which rows to update/insert
 	$sql_data = array();
 	$root_level = 0;