GitHub - brandallk/singleton-trait: PHP singleton trait variant that can accept a variable-length argument list in the constructor.
Abstract Constructor Property Promotion and Trait Properties causes PHP Fatal error · Issue #13036 · php/php-src · GitHub
PHP 8.3.2: final private constructor not allowed when used in trait · Issue #13177 · php/php-src · GitHub
![singleton - PHP Fatal error: Access level to FrontLocalBusiness::__construct() must be public (as in class LocalBusiness) while execute wp-cli command - Stack Overflow singleton - PHP Fatal error: Access level to FrontLocalBusiness::__construct() must be public (as in class LocalBusiness) while execute wp-cli command - Stack Overflow](https://i.stack.imgur.com/AnzxD.png)