Win32Service Service Control Message Accepted Bitmasks
Win32Service Service Error Control Constants
Predefined Constants
PHP Manual

Win32Service Service Start Type Constants
Constant | Value | Description
--- | --- | ---
`WIN32_SERVICE_AUTO_START` | 0x00000002 | A service started automatically by the service control manager during system startup.
`WIN32_SERVICE_DEMAND_START` | 0x00000003 | A service started by the service control manager when a process calls the StartService function.
`WIN32_SERVICE_DISABLED` | 0x00000004 | A service that cannot be started. Attempts to start the service result in the error code `WIN32_ERROR_SERVICE_DISABLED`.

Win32Service Service Control Message Accepted Bitmasks
Win32Service Service Error Control Constants
Predefined Constants
PHP Manual