(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 enchant >= 0.1.0 ) whether or not 'word' exists in this spelling-session

(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 4 >= 4.2.0, PHP 5, PHP 7) Returns position and length of a matched part of the multibyte regular expression

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Load a new dictionary

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

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Decode string in MIME header field

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