# Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

`IIS_READ` (int)
`IIS_WRITE` (int)
`IIS_EXECUTE` (int)
`IIS_SCRIPT` (int)
`IIS_ANONYMOUS` (int)
`IIS_BASIC` (int)
`IIS_NTLM` (int)
`IIS_STARTING` (int)
`IIS_STOPPED` (int)
`IIS_PAUSED` (int)
`IIS_RUNNING` (int)