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<?php class Singleton { private static $instance = null; private function __construct() { } public static function getInstance() { if (self::$instance === null) { self::$instance = new self(); } return self::$instance; } } $singleton = Singleton::getInstance(); try { $singleton = new Singleton(); } catch (Throwable $e) { echo $e->getMessage(); }
Output for git.master, git.master_jit, rfc.property-hooks
Call to private Singleton::__construct() from global scope

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