Literal Escapes
When Unicode semantics are enabled, you can use the \uXXXX and
\UXXXXXX escape sequences to specific Unicode code points
\n";
echo $str, "
\n";
echo "𐂃 is equivalent with:
\n";
echo "- \U010083
\n";
echo "- \C{LINEAR B IDEOGRAM B105 EQUID}";
?>]]>