From 7fae203a8331e3baf7a4e285851ae84486159227 Mon Sep 17 00:00:00 2001
From: plegall <plg@piwigo.org>
Date: Fri, 17 May 2024 12:28:31 +0200
Subject: [PATCH] fixes #2161 in search, do not consider dot character alone as
 a splitter

---
 include/functions_search.inc.php | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/include/functions_search.inc.php b/include/functions_search.inc.php
index 73409ce1f..92a47f255 100644
--- a/include/functions_search.inc.php
+++ b/include/functions_search.inc.php
@@ -1705,12 +1705,14 @@ function split_allwords($raw_allwords)
 {
   $words = null;
 
-  $raw_allwords = trim($raw_allwords);
+  // we specify the list of characters to trim, to add the ".". We don't want to split words
+  // on "." but on ". ", and we have to deal with trailing dots.
+  $raw_allwords = trim($raw_allwords, " \n\r\t\v\x00.");
 
   if (!preg_match('/^\s*$/', $raw_allwords))
   {
-    $drop_char_match   = array(';','&','(',')','<','>','`','\'','"','|',',','@','?','%','.','[',']','{','}',':','\\','/','=','\'','!','*');
-    $drop_char_replace = array(' ',' ',' ',' ',' ',' ', '', '', ' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','' , ' ',' ',' ', ' ',' ');
+    $drop_char_match   = array(';','&','(',')','<','>','`','\'','"','|',',','@','?','%','. ','[',']','{','}',':','\\','/','=','\'','!','*');
+    $drop_char_replace = array(' ',' ',' ',' ',' ',' ', '', '', ' ',' ',' ',' ',' ',' ',' ' ,' ',' ',' ',' ',' ','' , ' ',' ',' ', ' ',' ');
 
     // Split words
     $words = array_unique(