(PHP 7) Return Unicode character by code point value

(PECL gender >= 0.6.0) Construct the Gender object.

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Returns a correctly ordered and delimited locale ID

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Get current collation strength

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Replace regular expression with multibyte support ignoring case

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Returns an appropriately localized display name for script

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

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get timezone ID

(PHP 5 >= 5.3.0, PHP 7, PECL enchant >= 0.1.0 ) Free a dictionary resource

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Clear a field or all fields