(PHP 5 >= 5.2.0, PHP 7)
A callback function for the notification context parameter
void stream_notification_callback ( int $notification_code, int $severity, string $message, int $message_code, int $bytes_transferred, int $bytes_max )
A callable function, used by the notification context parameter, called during an event.
Note:
This is not a real function, only a prototype of how the function should be.