Fix error in TLS connection in PHP > 7.1 #60

use LdapTools\DomainConfiguration;

// Make sure to set your LDAP options for your Domain Configuration...
$domain = (new DomainConfiguration('example.local'))
    ->setBaseDn('dc=example,dc=local')
    ->setServers(['dc1.example.local', 'dc2.example.local'])
    ->setUsername('foo')
    ->setPassword('secret')
    ->setUseTls(true)
    ->setLdapOptions([
        'LDAP_OPT_X_TLS_CACERTFILE' => '/path/to/ldap-ssl-bundle',
        'LDAP_OPT_X_TLS_REQUIRE_CERT' => LDAP_OPT_X_TLS_HARD,
    ]);

ldap_set_option($this->connection, LDAP_OPT_X_TLS_CACERTFILE, '/www/users/ldap-ssl-bundle01.crt');
ldap_set_option($this->connection, LDAP_OPT_X_TLS_REQUIRE_CERT, 'LDAP_OPT_X_TLS_HARD');

ldap_set_option(NULL, LDAP_OPT_X_TLS_CACERTFILE, '/www/users/ldap-ssl-bundle01.crt');
ldap_set_option(NULL, LDAP_OPT_X_TLS_REQUIRE_CERT, 'LDAP_OPT_X_TLS_HARD');