header('Content-Type: text/event-stream');
header('Cache-Control: no-cache');

while (true) {
      $data = [
        'name' => 'Rasmus Lerdorf'
    ]

      echo "event: sse\n";
      echo "data: " . json_encode($data) . "\n\n";
    echo str_pad('', 4096) . "\n";
      
    ob_flush();
      flush();
      sleep(1);

      if (connection_aborted()) {
        break;
      }
}
ob_end_flush();