Fatal error: Uncaught Error: Call to undefined function ldap_connect() in /opt/www/internett/php/PHP_Book/eksempler/ch17 - PHP and LDAP/ldap_start_tls.php:2 Stack trace: #0 {main} thrown in /opt/www/internett/php/PHP_Book/eksempler/ch17 - PHP and LDAP/ldap_start_tls.php on line 2