__default
__default = null
Default value.
Encapsulates a Character Set ECI, according to "Extended Channel Interpretations" 5.3.1.1 of ISO 18004.
$value : mixed
Current value.
$constants : array
Cache of constants.
$strict : bool
Whether to handle values strict or not.
$nameToEci : array
Map between character names and their ECI values.
$additionalValues : array
Additional possible values for character sets.