(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get the source encoding

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Set the destination encoding

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Convert string from one charset to another

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

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Create UConverter object

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

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

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get the available canonical converter names

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

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get string representation of the callback reason