(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Convert to

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) sets the default runtime locale

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Tell whether a day is a weekday, weekend or a day that has a transition

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

(PHP 7) Get the property constant value for a given property name

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a2) Create an IntlCalendar from a DateTime object or string

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get the smallest local maximum for a field

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Get string length in grapheme units

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Get formatter pattern

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