/**
* Adds an ImapMessage object to the collection
* @param Collectable $message
* @param string $key
* @throws InvalidArgumentException
* @return void
*/
public function add(Collectable $message, $key = null)
{
if ($message instanceof ImapMessage) {
parent::add($message, $key);
} else {
throw new InvalidArgumentException('ImapMessage object expected');
}
}
/**
* Adds a Folder object to the collection
* @param Collectable $folder
* @param string $key
* @throws InvalidArgumentException
* @return void
*/
public function add(Collectable $folder, $key = null)
{
if ($folder instanceof Folder) {
parent::add($folder, $key);
} else {
throw new InvalidArgumentException('Folder object expected');
}
}
/**
* Adds an Attachment object to the collection
* @param Collectable $attachment
* @param string $key
* @throws InvalidArgumentException
* @return void
*/
public function add(Collectable $attachment, $key = null)
{
if ($attachment instanceof ImapAttachment) {
parent::add($attachment, $key);
} else {
throw new InvalidArgumentException('Attachment object expected');
}
}
/**
* Adds an EmailAddress object to the collection
* @param Collectable $email
* @param string $key
* @throws InvalidArgumentException
* @return void
*/
public function add(Collectable $email, $key = null)
{
if ($email instanceof EmailAddress) {
parent::add($email, $key);
} else {
throw new InvalidArgumentException('EmailAddress object expected');
}
}