JSON_ERROR_NON_BACKED_ENUM
Constant • Added in PHP 8.1
JSON_ERROR_NON_BACKED_ENUM — The value passed to json_encode
includes a non-backed enum which cannot be serialized.
Available as of PHP 8.1.0.
JSON_ERROR_NON_BACKED_ENUM = 11;Changes to the JSON_ERROR_NON_BACKED_ENUM Constant
PHP 8.1
- Constant added
JSON_ERROR_NON_BACKED_ENUM Constant Availability
JSON_ERROR_NON_BACKED_ENUM Constant Availability| PHP Version | Availability |
|---|---|
| PHP 8.6Upcoming Release | Yes |
| PHP 8.5Supported (Latest) | Yes |
| PHP 8.4Supported | Yes |
| PHP 8.3Security-Fixes Only | Yes |
| PHP 8.2Security-Fixes Only | Yes |
| PHP 8.1Unsupported | Yes |
| PHP 8.0Unsupported | No |
| PHP 7.4Unsupported | No |
| PHP 7.3Unsupported | No |
| PHP 7.2Unsupported | No |
| PHP 7.1Unsupported | No |
| PHP 7.0Unsupported | No |
| PHP 5.6Unsupported | No |
| PHP 5.5Unsupported | No |
| PHP 5.4Unsupported | No |
| PHP 5.3Unsupported | No |