From 2c451b8deb28b5ee2b166ee1c0e2e9d9c87c855c Mon Sep 17 00:00:00 2001
From: Sarjuuk <junkdump@gmx.net>
Date: Mon, 27 May 2024 17:52:08 +0200
Subject: [PATCH] Locales/Search  * do not apply minimum string length limiter
 to logographic languages

---
 includes/defines.php   | 3 +++
 includes/utilities.php | 6 ++++++
 pages/search.php       | 4 ++--
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/includes/defines.php b/includes/defines.php
index d5e907bd..8377b1b2 100644
--- a/includes/defines.php
+++ b/includes/defines.php
@@ -157,10 +157,13 @@ define('U_GROUP_PREMIUM_PERMISSIONS',       (U_GROUP_PREMIUM|U_GROUP_STAFF|U_GRO
 
 // Locales
 define('LOCALE_EN',                         0);
+define('LOCALE_KR',                         1);             // unused
 define('LOCALE_FR',                         2);
 define('LOCALE_DE',                         3);
 define('LOCALE_CN',                         4);
+define('LOCALE_TW',                         5);             // unused
 define('LOCALE_ES',                         6);
+define('LOCALE_MX',                         7);             // unused
 define('LOCALE_RU',                         8);
 
 // red buttons on the top of the page
diff --git a/includes/utilities.php b/includes/utilities.php
index 4a39645a..6b29d2fe 100644
--- a/includes/utilities.php
+++ b/includes/utilities.php
@@ -853,6 +853,12 @@ abstract class Util
         ));
     }
 
+    // todo: create Locale object and integrate
+    public static function isLogographic(int $localeId) : bool
+    {
+        return $localeId == LOCALE_CN || $localeId == LOCALE_TW || $localeId == LOCALE_KR;
+    }
+
     // default back to enUS if localization unavailable
     public static function localizedString(array $data, string $field, bool $silent = false) : string
     {
diff --git a/pages/search.php b/pages/search.php
index 15cca1f1..24ba6e85 100644
--- a/pages/search.php
+++ b/pages/search.php
@@ -135,14 +135,14 @@ class SearchPage extends GenericPage
                 continue;
             else if ($clean[0] == '-')
             {
-                if (mb_strlen($clean) < 4)
+                if (mb_strlen($clean) < 4 && !Util::isLogographic(User::$localeId))
                     $this->invalid[] = mb_substr($raw, 1);
                 else
                     $this->excluded[] = mb_substr(str_replace('_', '\\_', $clean), 1);
             }
             else if ($clean !== '')
             {
-                if (mb_strlen($clean) < 3)
+                if (mb_strlen($clean) < 3 && !Util::isLogographic(User::$localeId))
                     $this->invalid[] = $raw;
                 else
                     $this->included[] = str_replace('_', '\\_', $clean);