(PHP 7) Check if code point is a whitespace character according to ICU

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

(PHP 7) Get character representation for a given digit and radix

(PHP 7) Get the min value for a Unicode property

(PHP 7) Get the combining class of a code point

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

(PHP 7) Get the Unicode allocation block containing a code point

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

(PHP 7) Perform case folding on a code point

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