PHP Access LDAP

/** * @file ldap_util.php * * @author Li Yongfeng */function getuseremail ($userId) {$ldap _host = "ldap://***/";    $ldap _user = "* * *";    $ldap _pwd = "* * *";    $ldap _conn = ldap_connect ($ldap _host) or Die ("Can ' t connect to LDAP server");        Ldap_set_option ($ldap _conn, ldap_opt_referrals, 0); This is necessary ldap_set_option ($ldap _conn, ldap_opt_protocol_version, 3);    This was necessary ldap_bind ($ldap _conn, $ldap _user, Base64_decode ($ldap _pwd)) or Die ("Can ' t bind to LDAP server.");    $base _dn = "Dc=corpusers,dc=net";    $filter = "(Samaccountname= $userId)";    $justthese = Array ("name", "Mail");    $result = Ldap_search ($ldap _conn, $base _dn, $filter) or exit (">>unable to search LDAP server<<");    $result = Ldap_search ($ldap _conn, $base _dn, $filter, $justthese) or exit (">>unable to search LDAP server<<"); if (! $result) {echo "Ldap-errno:". Ldap_errno ($ldap _conn). "
\ n "; echo "Ldap-error:". Ldap_error ($ldap _conn). "
\ n "; Die ("argh!
\ n ");    } $entry = Ldap_get_entries ($ldap _conn, $result);    Ldap_unbind ($ldap _conn) or Die ("Can ' t unbind from LDAP server.");    $ret = new StdClass ();        if ($entry [' Count '] > 0) {$ret->name = $entry [0][' name '][0];    $ret->mail = $entry [0][' Mail '][0];    }//error_log (Json_encode ($ret));    return $ret; }

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