(PHP >= 5.3.2, PECL intl >= 2.0.0) Get supported locales
(PHP >= 5.3.2, PECL intl >= 2.0.0) Get bundle's last error code.
(PHP >= 5.3.2, PECL intl >= 2.0.0) Get bundle's last error message.
(PHP >= 5.3.2, PECL intl >= 2.0.0) Get data from the bundle
(PHP >= 5.3.2, PECL intl >= 2.0.0) Create a resource bundle
(PHP >= 5.3.2, PECL intl >= 2.0.0) Get number of elements in the bundle