1--TEST-- 2Valid Unicode escape sequences: Surrogate halves 3--FILE-- 4<?php 5 6// Surrogate pairs are non-well-formed UTF-8 - however, it is sometimes useful 7// to be able to produce these (e.g. CESU-8 handling) 8 9var_dump(bin2hex("\u{D801}")); 10var_dump(bin2hex("\u{DC00}")); 11var_dump(bin2hex("\u{D801}\u{DC00}")); // CESU-8 encoding of U+10400 12 13--EXPECT-- 14string(6) "eda081" 15string(6) "edb080" 16string(12) "eda081edb080" 17