mysqli＆bound语句，2031：语句

$sql = `INSERT INTO `_translations` (id, module, item_id, name_id, output, language) VALUES (?, ?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE output = ?`
$stmt = mysqli_prepare($this->connection, $sql);
$params = array($stmt, $types);
foreach($array as $k=>&$v){
    $params[] =& $v;
}
// this call is update call, therefore parameters are merged
if($update && $_update) $params = array_merge($params, $_update);
call_user_func_array(\'mysqli_stmt_bind_param\', $params); # i think the problem is in this line..
if(mysqli_stmt_execute($stmt)){
    if($this->transaction){ $this->affected++; }
    else{ $this->affected = 1; }
}else{ 
    $error = mysqli_stmt_error($stmt); 
    $errno = mysqli_stmt_errno($stmt);
    die(\"{$sql}<br/><pre>\".var_export($params, true).\"</pre><br/>{$errno}: {$error}\");
}

INSERT INTO `_translations` (id, module, item_id, name_id, output, language) VALUES (?, ?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE output = ?
array (
  0 => 
  mysqli_stmt::__set_state(array(
     \'affected_rows\' => NULL,
     \'insert_id\' => NULL,
     \'num_rows\' => NULL,
     \'param_count\' => NULL,
     \'field_count\' => NULL,
     \'errno\' => NULL,
     \'error\' => NULL,
     \'sqlstate\' => NULL,
     \'id\' => NULL,
  )),
  1 => \'isissss\',
  2 => \'\',
  3 => \'seo\',
  4 => \'\',
  5 => \'keywords\',
  6 => \'tesoutput\',
  7 => \'en\',
  8 => \'tesoutput\',
)

2031: No data supplied for parameters in prepared statement

// $array
array(6) {
  [\"id\"]=>
  string(0) \"\"
  [\"module\"]=>
  string(3) \"seo\"
  [\"item_id\"]=>
  string(0) \"\"
  [\"name_id\"]=>
  string(8) \"keywords\"
  [\"output\"]=>
  string(9) \"tesoutput\"
  [\"language\"]=>
  string(2) \"en\"
}
// $types
string(7) \"isissss\"
// $update
array(1) {
  [0]=>
  string(9) \"tesoutput\"
}

$types

> 5.2

mysqlnd

5.3.5