(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Create a new copy of the default timezone for this host

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

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Load a new dictionary with settings based on a given config

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

(PECL gender >= 0.8.0) Get textual country representation

(No version information available, might only be in Git) Set the iterator position to the boundary immediately

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get number representing the current time

(PHP 7) Enumerate all code points with their Unicode general categories

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

(PHP 4 >= 4.0.5, PHP 5, PHP 7) Retrieve internal configuration variables of iconv extension