[horde] Horde 6 - Groups error

[Jean Charles Delépine]

Quoting Nels Lindquist <nlindq at maei.ca>:

> Currently using PHP 8.5 (using php-fpm).
> I am using LDAP for Groups.
>
> The list of groups retrieved from LDAP is displayed, but when an  
> individual group is selected, I receive the following error:
>
> A fatal error has occurred
> htmlspecialchars(): Argument #1 ($string) must be of type string, array given
> in /var/www/html/horde6/vendor/horde/horde/templates/admin/groups/edit.inc:7
>
> 1. require_once() /var/www/html/horde6/web/horde/admin/groups.php:3
> 2. require() /var/www/html/horde6/vendor/horde/horde/admin/groups.php:169
> 3. htmlspecialchars()  
> /var/www/html/horde6/vendor/horde/horde/templates/admin/groups/edit.inc:7

Same error here with php8.4.

Ldap return an array, not a string.
One possible correction :

https://github.com/horde/base/pull/63


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