(PHP 5, PHP 7) location of language data files

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get last error code on the object

(PHP 7) Check if code point is a "blank" or "horizontal space" character

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get the largest local minimum value for a field

(PHP 4 >= 4.0.5, PHP 5, PHP 7) Convert character encoding as output buffer handler

(PHP 7) Get the numeric value for a Unicode code point

(PHP 4 >= 4.0.4 and PHP 4 <= 4.1.0, PECL fribidi >= 1.0) Convert a logical string to a visual one

(PHP 7) Check if code point is an alphanumeric character

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Get the pattern used for the IntlDateFormatter

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Gets the script for the input locale