--TEST--
mysqli_fetch_field()
--SKIPIF--
<?php
require_once('skipif.inc');
require_once('skipifemb.inc');
require_once('skipifconnectfailure.inc');
?>
--FILE--
<?php
    require_once("connect.inc");

    $tmp    = NULL;
    $link   = NULL;

    // Note: no SQL type tests, internally the same function gets used as for mysqli_fetch_array() which does a lot of SQL type test
    $mysqli = new mysqli();
    $res = @new mysqli_result($mysqli);
    if (false !== ($tmp = @$res->fetch_field()))
        printf("[001] Expecting false, got %s/%s\n", gettype($tmp), $tmp);

    require('table.inc');
    if (!$mysqli = new mysqli($host, $user, $passwd, $db, $port, $socket))
        printf("[002] Cannot connect to the server using host=%s, user=%s, passwd=***, dbname=%s, port=%s, socket=%s\n",
            $host, $user, $db, $port, $socket);

    if (!is_null($tmp = @$res->fetch_field($link)))
        printf("[003] Expecting NULL, got %s/%s\n", gettype($tmp), $tmp);

    // Make sure that client, connection and result charsets are all the
    // same. Not sure whether this is strictly necessary.
    if (!$mysqli->set_charset('utf8'))
        printf("[%d] %s\n", $mysqli->errno, $mysqli->errno);

    $charsetInfo = $mysqli->get_charset();

    if (!$res = $mysqli->query("SELECT id AS ID, label FROM test AS TEST ORDER BY id LIMIT 1")) {
        printf("[004] [%d] %s\n", $mysqli->errno, $mysqli->error);
    }

    var_dump($res->fetch_field());

    $tmp = $res->fetch_field();
    var_dump($tmp);
    if ($tmp->charsetnr != $charsetInfo->number) {
        printf("[005] Expecting charset %s/%d got %d\n",
            $charsetInfo->charset, $charsetInfo->number, $tmp->charsetnr);
    }
    if ($tmp->length != $charsetInfo->max_length) {
        printf("[006] Expecting length %d got %d\n",
            $charsetInfo->max_length, $tmp->max_length);
    }
    if ($tmp->db != $db) {
        printf("[007] Expecting database '%s' got '%s'\n",
          $db, $tmp->db);
    }

    var_dump($res->fetch_field());

    $res->free_result();

    if (false !== ($tmp = $res->fetch_field()))
        printf("[007] Expecting false, got %s/%s\n", gettype($tmp), $tmp);

    $mysqli->close();
    print "done!";
?>
--CLEAN--
<?php
    require_once("clean_table.inc");
?>
--EXPECTF--
object(stdClass)#%d (13) {
  ["name"]=>
  string(2) "ID"
  ["orgname"]=>
  string(2) "id"
  ["table"]=>
  string(4) "TEST"
  ["orgtable"]=>
  string(4) "test"
  ["def"]=>
  string(0) ""
  ["db"]=>
  string(%d) "%s"
  ["catalog"]=>
  string(%d) "%s"
  ["max_length"]=>
  int(1)
  ["length"]=>
  int(11)
  ["charsetnr"]=>
  int(63)
  ["flags"]=>
  int(49155)
  ["type"]=>
  int(3)
  ["decimals"]=>
  int(0)
}
object(stdClass)#%d (13) {
  ["name"]=>
  string(5) "label"
  ["orgname"]=>
  string(5) "label"
  ["table"]=>
  string(4) "TEST"
  ["orgtable"]=>
  string(4) "test"
  ["def"]=>
  string(0) ""
  ["db"]=>
  string(%d) "%s"
  ["catalog"]=>
  string(%d) "%s"
  ["max_length"]=>
  int(%d)
  ["length"]=>
  int(%d)
  ["charsetnr"]=>
  int(%d)
  ["flags"]=>
  int(0)
  ["type"]=>
  int(254)
  ["decimals"]=>
  int(0)
}
bool(false)

Warning: mysqli_result::fetch_field(): Couldn't fetch mysqli_result in %s on line %d
done!