(PHP >= 5.4.0, PECL intl >= 2.0.0) Checks if a given text contains any confusable characters
(PHP >= 5.4.0, PECL intl >= 2.0.0) Set the checks to run
(PHP >= 5.4.0, PECL intl >= 2.0.0) Checks if a given text contains any suspicious characters
(PHP >= 5.4.0, PECL intl >= 2.0.0) Locales to use when running checks
(PHP >= 5.4.0, PECL intl >= 2.0.0) Constructor