message: update large_url.phpt
diff: @@ -38,7 +38,9 @@ $pm->parentFunc = function ($pid) {
  $header .= "\r\n";
  $_sendStr = $header;
  - $client->send(substr($_sendStr, 0, 1024));
  + $client->send(substr($_sendStr, 0, 512));
  + usleep(200000);
  + $client->send(substr($_sendStr, 512, 512));
  usleep(200000);
  $client->send(substr($_sendStr, 1024));
  $data = $client->recv();
  