iis_get_server_by_path
    (PECL)
iis_get_server_by_path -- Return the instance number associated with the Path
Description
int 
iis_get_server_by_path ( string path )
    Each virtual server in IIS is associated with an instance number.
    iis_get_server_by_path() Finds the instance number 
    from the actual path to the root directory.