Example #1 Registering a PHP script to run as a service
<?php
win32_create_service(array(
    'service' => 'dummyphp',                 # the name of your service
    'display' => 'sample dummy PHP service', # description
    'params' => 'c:\path\to\script.php run', # path to the script and parameters
));
?>
Example #2 Unregistering a service
<?php
win32_delete_service('dummyphp');
?>
Example #3 Running as a service
<?php
if ($argv[1] == 'run') {
  win32_start_service_ctrl_dispatcher('dummyphp');
  while (WIN32_SERVICE_CONTROL_STOP != win32_get_last_control_message()) {
    # do your work here.
    # try not to take up more than 30 seconds before going around the loop
    # again
  }
}
?>