(PHP 7) Check if code point is an alphanumeric character

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

(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 the destination encoding

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Find position (in grapheme units) of last occurrence of a

(PHP >= 5.3.2, PECL intl >= 2.0.0) Get bundle's last error message.

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Returns an appropriately localized display name for region

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Get formatter's last error message.

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

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get time of the day at which weekend begins or ends