Multibyte String Enhancements: Update strtolower() and strtoupper()

See wpsharks/comet-cache#703
wpsharks · Mar 4, 2016 · de3bd92 · de3bd92
1 parent e013ea8
commit de3bd92
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Showing 3 changed files with 3 additions and 3 deletions.
diff --git a/src/includes/traits/Shared/DomainMappingUtils.php b/src/includes/traits/Shared/DomainMappingUtils.php
@@ -272,6 +272,6 @@ public function domainMappingBlogDomains($blog_id = 0)
         }
         $wpdb->suppress_errors($suppressing_errors); // Restore.
 
-        return $domains = array_unique(array_map('strtolower', (array) $domains));
+        return $domains = array_unique(array_map('mb_strtolower', (array) $domains));
     }
 }
diff --git a/src/includes/traits/Shared/FsUtils.php b/src/includes/traits/Shared/FsUtils.php
@@ -30,7 +30,7 @@ public function nDirSeps($dir_file, $allow_trailing_slash = false)
         }
         if (mb_strpos($dir_file, ':' !== false)) {
             if (preg_match('/^(?P<drive_letter>[a-zA-Z])\:[\/\\\\]/u', $dir_file)) {
-                $dir_file = preg_replace_callback('/^(?P<drive_letter>[a-zA-Z])\:[\/\\\\]/u', create_function('$m', 'return strtoupper($m[0]);'), $dir_file);
+                $dir_file = preg_replace_callback('/^(?P<drive_letter>[a-zA-Z])\:[\/\\\\]/u', create_function('$m', 'return mb_strtoupper($m[0]);'), $dir_file);
             }
         }
         $dir_file = preg_replace('/\/+/u', '/', str_replace([DIRECTORY_SEPARATOR, '\\', '/'], '/', $dir_file));

diff --git a/src/includes/traits/Shared/HttpUtils.php b/src/includes/traits/Shared/HttpUtils.php
@@ -110,7 +110,7 @@ public function cacheableHeadersList()
             'X-Powered-By',
             'X-UA-Compatible',
         ];
-        $cacheable_headers = array_map('strtolower', $cacheable_headers);
+        $cacheable_headers = array_map('mb_strtolower', $cacheable_headers);
 
         foreach ($headers as $_key => $_header) {
             $_header = mb_strtolower((string) strstr($_header, ':', true));