PEAR_Config::singleton() -- Return a reference of a PEAR_Config object
Description
If you want to keep only one instance of
this class in use, this method will give you
a reference to the last created
PEAR_Config object if
one exists, or create a new object.
Parameter
- string
$user_file
file to read user-defined options from
- string
$system_file
file to read system-wide defaults from
Return value
object -
an existing or new PEAR_Config instance
Note
This function should be called
statically.