In PHP7, a new IntlChar class is added, which seeks to expose additional ICU functionality. This class defines a number of static methods and constants, which can be used to manipulate unicode characters. You need to have Intl extension installed prior to using this class.
<?php printf('%x', IntlChar::CODEPOINT_MAX); print (IntlChar::charName('@')); print(IntlChar::ispunct('!')); ?>
It produces the following browser output −
10ffff COMMERCIAL AT true