(PHP 7) Get character representation for a given digit and radix

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Convert string from one charset to another

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Quick parse input string

(PHP 7) Check if code point has the Lowercase Unicode property

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Get the locale used by formatter

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get the source encoding

(No version information available, might only be in Git) Set position to the first character in the text

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

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Set a text attribute

(PHP >= 5.3.2, PECL intl >= 2.0.0) Get supported locales