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

	$tmp    = NULL;
	$link   = NULL;

	$mysqli = new mysqli();
	if (!is_null($tmp = @$mysqli->errno))
		printf("[001] Expecting NULL, got %s/%s\n", gettype($tmp), $tmp);

	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);

	var_dump($mysqli->errno);

	if (!$mysqli->query('DROP TABLE IF EXISTS test')) {
		printf("[003] Failed to drop old test table: [%d] %s\n", $mysqli->errno, $mysqli->error);
	}

	$mysqli->query('SELECT * FROM test');
	var_dump($mysqli->errno);

	@$mysqli->query('No SQL');
	if (($tmp = $mysqli->errno) === 0)
		printf("[004] Expecting int/any non zero got %s/%s\n", gettype($tmp), $tmp);

	$mysqli->close();

	var_dump($mysqli->errno);

	print "done!";
?>
--EXPECTF--
int(0)
int(%d)

Warning: main(): Couldn't fetch mysqli in %s on line %d
NULL
done!