(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get minimal number of days the first week in a year or month can have

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

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

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

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

(PHP 7) Get the decimal digit value of a code point for a given radix

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Parse string to a timestamp value

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Sort array maintaining index association

(PHP 5 >= 5.5.0, PHP 7, PECL intl >= 3.0.0) Get copy of formatterʼs calendar object

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Get the error code from last operation