(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Create a date formatter

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get the time zone raw and GMT offset for the given moment in time

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a2) Convert an IntlCalendar into a DateTime object

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Set the pattern used by the formatter

(No version information available, might only be in Git) Set the text being scanned

(PHP 7) Check if code point is a whitespace character according to ICU

(PHP >= 5.4.0, PECL intl >= 2.0.0) Create transliterator from rules

(No version information available, might only be in Git) Get index of current position

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get behavior for handling skipped wall time

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Returns part of haystack string from the first occurrence