getInstance() : static
Returns the singleton instance.
Represents a null package.
Instances of this class are returned by
rex_package::get() for non-existing packages.
Thereby it is safe to call
Other methods should not be called on null-packages since they do not return useful values.
Some methods like
getPath() throw exceptions.
i18n(mixed $key, mixed ...$replacements) : string
Adds the package prefix to the given key and returns the translation for it.
A arbritary number of strings used for interpolating within the resolved messag
Translation for the key