Merge branch '5808-multibyte-functions-should-be-used-to-truncate-strings' into '1.3-dev'

Resolve "multibyte functions should be used to truncate strings"

See merge request fusiondirectory/fd!194

plugins/personal/generic/class_user.inc

@@ -718,9 +718,9 @@ class user extends simplePlugin
       return _('The passwords you\'ve entered as "New password" and "Repeated new password" do not match.');
     } elseif ($new_password == '') {
       return msgPool::required(_('New password'));
-    } elseif ($check_differ && (substr($current_password, 0, $differ) == substr($new_password, 0, $differ))) {
+    } elseif ($check_differ && (mb_substr($current_password, 0, $differ) == mb_substr($new_password, 0, $differ))) {
       return _('The password used as new and current are too similar.');
-    } elseif ($check_length && (strlen($new_password) < $length)) {
+    } elseif ($check_length && (mb_strlen($new_password) < $length)) {
       return _('The password used as new is too short.');
     } elseif (!passwordMethod::is_harmless($new_password)) {
       return _('The password contains possibly problematic Unicode characters!');

plugins/personal/roles/class_userRoles.inc

@@ -81,8 +81,8 @@ class userRoles extends simplePlugin
     foreach ($groupsattrs as $dn => $groupattr) {
       $groupDisplay = $groupattr['cn'];
       if (isset($groupattr['description'])) {
-        if (strlen($groupattr['description']) > 50) {
-          $groupattr['description'] = substr($groupattr['description'], 0, 50).'…';
+        if (mb_strlen($groupattr['description']) > 50) {
+          $groupattr['description'] = mb_substr($groupattr['description'], 0, 50).'…';
         }
         $groupDisplay .= ' ['.$groupattr['description'].']';
       }