PHP Decode

--TEST--
function test: nested selects (cursors)
--EXTENSIONS--
mysqli
--SKIPIF--
<?php
    require_once('skipifconnectfailure.inc');
    require_once("connect.inc");

    if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket))
        die("skip Cannot connect to check required version");

    /* skip cursor test for server versions < 50009 */
    if (mysqli_get_server_version($link) < 50009) {
            die(sprintf("skip Server doesn't support cursors (%s)",
                    mysqli_get_server_version($link)));
    }
    mysqli_close($link);
?>
--FILE--
<?php
    function open_cursor($mysql, $query) {
        if (!is_object($stmt = $mysql->prepare($query))) {
            printf("[001] Cannot create statement object for '%s', [%d] %s\n",
                    $query, $mysql->errno, $mysql->error);
        }

        $stmt->attr_set(MYSQLI_STMT_ATTR_CURSOR_TYPE, MYSQLI_CURSOR_TYPE_READ_ONLY);
        return $stmt;
    }

    require_once("connect.inc");
    $mysql = new my_mysqli($host, $user, $passwd, $db, $port, $socket);

    if (mysqli_get_server_version($mysql) < 50009) {
        /* we really want to skip it... */
        die(var_dump(63));
    }

    $a = array();

    for ($i=0;$i < 3; $i++) {
        $mysql->query("DROP TABLE IF EXISTS cursor$i");
        $mysql->query("CREATE TABLE cursor$i (a int not null) ENGINE=" . $engine);
        $mysql->query("INSERT INTO cursor$i VALUES (1),(2),(3),(4),(5),(6)");
        $stmt[$i] = open_cursor($mysql, "SELECT a FROM cursor$i");
        $stmt[$i]->execute();
        $stmt[$i]->bind_result($a[$i]);
    }


    $cnt = 0;
    while ($stmt[0]->fetch()) {
        $stmt[1]->fetch();
        $stmt[2]->fetch();
        $cnt += $a[0] + $a[1] + $a[2];
    }

    for ($i=0; $i < 3; $i++) {
        $stmt[$i]->close();
    }

    $mysql->close();
    var_dump($cnt);
?>
--CLEAN--
<?php
require_once("connect.inc");
if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket))
   printf("[c001] [%d] %s\n", mysqli_connect_errno(), mysqli_connect_error());

for ($i =0; $i < 3; $i++) {
    if (!mysqli_query($link, sprintf("DROP TABLE IF EXISTS cursor%d", $i)))
        printf("[c002] Cannot drop table, [%d] %s\n", mysqli_errno($link), mysqli_error($link));
}

mysqli_close($link);
?>
--EXPECT--
int(63)