(PHP 7) Check if code point is a lowercase letter

(No version information available, might only be in Git) Get the locale associated with the object

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

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

(PHP 7) Get the "mirror-image" character for a code point

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Checks if the provided string is already in the specified

(PHP 7) Check if code point has the Bidi_Mirrored property

(PHP 7) Check if code point has the general category "Lu" (uppercase letter)

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Get formatter locale

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get the destination converter type