(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Returns an appropriately localized display name for the input

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Gets the variants for the input locale

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Gets the region for the input locale

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) sets the default runtime locale

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Gets the default locale value from the INTL global 'default_locale'

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Gets the keywords for the input locale

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Returns a key-value array of locale ID subtag elements.

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Returns an appropriately localized display name for variants