(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Get collator's last error code

(PHP >= 5.4.0, PECL intl >= 2.0.0) Get last error message

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

(PHP >= 5.4.0, PECL intl >= 2.0.0) Private constructor to deny instantiation

(PHP 7) Retrieve the name of a Unicode character

(PHP >= 5.4.0, PECL intl >= 2.0.0) Checks if a given text contains any confusable characters

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Set the destination encoding

(No version information available, might only be in Git) Create break iterator for title-casing breaks

(PHP 7) Get the min value for a Unicode property

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Set formatter pattern