MysqlndUhConnection::reapQuery

<?php
class proxy extends MysqlndUhConnection {
 public function reapQuery($res) {
  printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
  $ret = parent::reapQuery($res);
  printf("%s retourne %s\n", __METHOD__, var_export($ret, true));
  return $ret;
 }
}
mysqlnd_uh_set_connection_proxy(new proxy());

$conn1 = new mysqli("localhost", "root", "", "test");
$conn2 = new mysqli("localhost", "root", "", "test");

$conn1->query("SELECT 1 as 'one', SLEEP(1) AS _sleep FROM DUAL", MYSQLI_ASYNC |  MYSQLI_USE_RESULT);
$conn2->query("SELECT 1.1 as 'one dot one' FROM DUAL", MYSQLI_ASYNC |  MYSQLI_USE_RESULT);

$links = array(
 $conn1->thread_id => array('link' => $conn1, 'processed' => false),
 $conn2->thread_id => array('link' => $conn2, 'processed' => false)
);

$saved_errors = array();
do {
 $poll_links = $poll_errors = $poll_reject = array();
 foreach ($links as $thread_id => $link) {
  if (!$link['processed']) {
   $poll_links[] = $link['link'];
   $poll_errors[] = $link['link'];
   $poll_reject[] = $link['link'];
  }
 }
 if (0 == count($poll_links))
  break;

 if (0 == ($num_ready = mysqli_poll($poll_links, $poll_errors, $poll_reject, 0, 200000)))
  continue;

 if (!empty($poll_errors)) {
  die(var_dump($poll_errors));
 }

 foreach ($poll_links as $link) {
  $thread_id = mysqli_thread_id($link);
  $links[$thread_id]['processed'] = true;

  if (is_object($res = mysqli_reap_async_query($link))) {
   // result set object
   while ($row = mysqli_fetch_assoc($res)) {
	// eat up all results
	var_dump($row);
   }
   mysqli_free_result($res);
  } else {
   // either there is no result (no SELECT) or there is an error
   if (mysqli_errno($link) > 0) {
	$saved_errors[$thread_id] = mysqli_errno($link);
	printf("'%s' caused %d\n", $links[$thread_id]['query'],	 mysqli_errno($link));
   }
  }
 }
} while (true);
?>