(PHP 7) Check if code point has the Uppercase Unicode property

(PHP 7) Perform case folding on a code point

(PHP 7) Check if code point is a hexadecimal digit

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

(PHP 7) Check if code point has the Bidi_Mirrored property

(PHP 7) Get the "age" of the code point public

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

(PHP 7) Check whether the code point is defined

(PHP 7) Get the decimal digit value of a code point for a given radix

(PHP 7) Check if code point has the general category "Lu" (uppercase letter)