T_READONLY

Constant • Added in PHP 8.1
PHP 5
PHP 7
PHP 8.0
PHP 8.1
Added
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6 
// Tokenizer token constant: T_READONLY
T_READONLY = <Tokenizer token: T_READONLY>

Changes to the T_READONLY Constant

PHP 8.1

  • Constant added

T_READONLY Constant Availability

PHP VersionAvailability
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