by Kris Edwards.
Iguess it helps turning all developer logging...
[14-Apr-2015 04:38:21 UTC] PHP Fatal error: Call to undefined function ldap_connect() in E:\wamp\www\moodle2015\lib\ldaplib.php on line 177
[14-Apr-2015 04:38:21 UTC] PHP Stack trace:
[14-Apr-2015 04:38:21 UTC] PHP 1. {main}() E:\wamp\www\moodle2015\auth\ldap\cli\sync_users.php:0
[14-Apr-2015 04:38:21 UTC] PHP 2. auth_plugin_ldap->sync_users() E:\wamp\www\moodle2015\auth\ldap\cli\sync_users.php:65
[14-Apr-2015 04:38:21 UTC] PHP 3. auth_plugin_ldap->ldap_connect() E:\wamp\www\moodle2015\auth\ldap\auth.php:617
[14-Apr-2015 04:38:21 UTC] PHP 4. ldap_connect_moodle() E:\wamp\www\moodle2015\auth\ldap\auth.php:1985