(PHP 7) Check if code point is a digit character

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

(No version information available, might only be in Git) Set the iterator position to index beyond the last

(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) Format the date/time value as a string

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

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Get a symbol value

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

(PHP 7) Check a binary Unicode property for a code point

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get standards associated to converter names