(PHP 5 >= 5.5.0, PHP 7, PECL intl >= 3.0.0) Get formatterʼs timezone

(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 script for the input locale

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get last error code on the object

(PHP 4 >= 4.4.3, PHP 5 >= 5.1.3, PHP 7) Check if the string is valid for the specified encoding

(PHP 7) Check if code point is a "blank" or "horizontal space" character

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get the available canonical converter names

(PHP 4, PHP 5, PHP 7) Overrides the domain for a single lookup

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Create a timezone object for the given ID

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Get symbolic name for a given error code