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

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

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Canonicalize the locale string

(No version information available, might only be in Git) Create break iterator for boundaries of code points

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Clear a field or all fields

(No version information available, might only be in Git) Rewind the iterator to the first element

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Get the calendar type used for the IntlDateFormatter

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Returns a correctly ordered and delimited locale ID

(No version information available, might only be in Git) Get the binary form of compiled rules

(PHP 7) Check if code point is a lowercase letter