$instance $instance : mixed Public static variable to hold the single instance of the class. Type mixed — Default null
get_class_name() get_class_name() : string Method get_class_name() Get class name. Returns string — CLASS Class name.
instance() instance() : mixed Method instance() Create a public static instance. Returns mixed — Class instance.
format_email() format_email(string $body) : string Method format_email() Format emails. Parameters string $body Contains the email content. Returns string — Return formatted email.