| --TEST-- | |
| Invalid Unicode escape sequence: Negative sign | |
| --FILE-- | |
| var_dump("\u{-1F602}"); | |
| --EXPECTF-- | |
| Parse error: Invalid UTF-8 codepoint escape sequence in %s on line %d | |
| --TEST-- | |
| Invalid Unicode escape sequence: Negative sign | |
| --FILE-- | |
| var_dump("\u{-1F602}"); | |
| --EXPECTF-- | |
| Parse error: Invalid UTF-8 codepoint escape sequence in %s on line %d | |