src/Mailer.php
/**
     * Gets the instance of the mailer.
     *
     * @return Mailer
     */
Gets the instance of the mailer.
@return Mailer
Gets the instance of the mailer . @return Mailer
public static function instance(): Mailer
    {
        if (null === static::$instance) {
            static::$instance = new static();
        }
        return static::$instance;
    }
public static function instance ( ) : Mailer { if ( null === static :: $ instance ) { static :: $ instance = new static ( ) ; } return static :: $ instance ; }
Gets the instance of the mailer.
Gets the instance of the mailer .