php asynchronous requests

early_response.php

<?php
/**
 * With following script you can make multiple php requests in a same session asynchronously
 */
            
// script can run forever..
set_time_limit(0);

// tell the client the request has finished processing
header('Connection: close');

@ob_end_clean();

// continue running once client disconnects
ignore_user_abort();

ob_start();

/** this is where regular request code runs..
  * in this case, we'll probly just send off some
  * sort of 'succeeded' response
  */

# <- example 'normal' request code..
// clean things up on the server, and respond to the client
$iSize = ob_get_length();
header("Content-Length: $iSize");
@ob_end_flush();
flush();
session_write_close();

/** this is where code that will be executed
  * after the client disconnects will run
  */