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

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

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Format a number

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Set whether date/time interpretation is to be lenient

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

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Sort array using specified collator and sort keys

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Parse string to a field-based time value

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Format the date/time value as a string

(PHP 7) Make Unicode character uppercase public

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Convert string from one charset to another