(No version information available, might only be in Git) Get the binary form of compiled rules

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

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Regular expression match for multibyte string

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

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Check if this time zone uses daylight savings time

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Sort array maintaining index association

(PHP >= 5.4.0, PECL intl >= 2.0.0) Create an inverse transliterator

(PHP 5 >= 5.3.0, PHP 7) Get aliases of a known encoding type

(PHP >= 5.4.0, PECL intl >= 2.0.0) Checks if a given text contains any suspicious characters

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Check a word