php-symfony-polyfill-intl-icu 1.6.0-1 (amd64 binary) in ubuntu bionic

 This component provides a collection of functions/classes using the
 php-symfony-intl package when the Intl extension is not installed, including:
 .
  * intl_is_failure()
  * intl_get_error_code()
  * intl_get_error_message()
  * intl_error_name()
  * Collator
  * NumberFormatter
  * Locale
  * IntlDateFormatter
 .
 The Symfony Polyfill project backports features found in the latest PHP
 versions and provides compatibility layers for some extensions and functions.
 It is intended to be used when portability across PHP versions and extensions
 is desired.
 .
 Symfony is a PHP framework, a set of tools and a development methodology.