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<?php /** * Singleton pattern class. * * @package xts */ namespace XTS; /** * Singleton pattern class. * * @since 1.0.0 */ class Singleton { /** * Instance of this static object. * * @var array */ private static $instances = []; /** * Get singleton instance. * * @since 1.0.0 * * @return object Current object instance. */ public static function get_instance() { $subclass = static::class; if ( ! isset( self::$instances[ $subclass ] ) ) { self::$instances[ $subclass ] = new static(); self::$instances[ $subclass ]->init(); } return self::$instances[ $subclass ]; } /** * Prevent singleton class clone. * * @since 1.0.0 */ private function __clone() {} /** * Prevent singleton class initialization. * * @since 1.0.0 */ private function __construct() {} }