(PHP 7) Return Unicode character by code point value

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

(PHP 7) Get bidirectional category value for a code point

(PHP 7) Check if code point is a base character

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

(PHP 7) Get the value for a Unicode property for a code point

(PHP 7) Check if code point is punctuation character

(PHP 7) Make Unicode character titlecase public

(PHP 7) Check if code point is an alphanumeric character

(PHP 7) Enumerate all assigned Unicode characters within a range