File_Passwd_Custom::useMap() -- Whether to use the 'name map'
Description
Whether to use the 'name map' of the extra properties or not.
You first must supply a 'name map' to use it.
Parameter
- boolean
$bool
whether to use the 'name map' or not
Return value
Returns boolean TRUE if you set a value,
or the actual value if called without param.
Note
This function can not be called
statically.