| --TEST-- | |
| Valid Unicode escape sequences: Surrogate halves | |
| --FILE-- | |
| // Surrogate pairs are non-well-formed UTF-8 - however, it is sometimes useful | |
| // to be able to produce these (e.g. CESU-8 handling) | |
| var_dump(bin2hex("\u{D801}")); | |
| var_dump(bin2hex("\u{DC00}")); | |
| var_dump(bin2hex("\u{D801}\u{DC00}")); // CESU-8 encoding of U+10400 | |
| --EXPECT-- | |
| string(6) "eda081" | |
| string(6) "edb080" | |
| string(12) "eda081edb080" | |