(PHP 7) Return Unicode code point value of character

(PHP 7) Get the decimal digit value of a decimal digit character

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

(PHP 7) Get the Unicode version public static

(PHP 7) Enumerate all code points with their Unicode general categories

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

(PHP 7) Get the Unicode name for a property public

(PHP 7) Check if code point is permissible as the first character in an identifier

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

(PHP 7) Make Unicode character lowercase public