I tried to update the php version of my VPS but it didn\'t work and my provider didn\'t help me well, so i downgrade it to the previous version.
I am now working wi
I finally found the answer thanks to 'mbinette'.
In my PHP configuration, the handler of PHP 5 was CGI, and this type of authentication doesn't work with PHP CGI. So i changed it to suPHP (which is supposed to be the default one on APACHE).
Find here a post explaining a way to use CGI and PHP_AUTH, but i tried and it wasn't working.
Find here some explanations about php handlers