Win32Service Service Start Type Constants
Win32Service Service Flag Constants
Predefined Constants
PHP Manual

Win32Service Service Error Control Constants
Constant | Value | Description
--- | --- | ---
`WIN32_SERVICE_ERROR_IGNORE` | 0x00000000 | The startup program ignores the error and continues the startup operation.
`WIN32_SERVICE_ERROR_NORMAL` | 0x00000001 | The startup program logs the error in the event log but continues the startup operation.

Win32Service Service Start Type Constants
Win32Service Service Flag Constants
Predefined Constants
PHP Manual