Method: contacts.addContact

Add an existing telegram user as contact.

Use contacts.importContacts to add contacts by phone number, without knowing their Telegram ID.

Parameters:

Name	Type	Description	Required
add_phone_privacy_exception	Bool	Allow the other user to see our phone number?	Optional
id	Username, chat ID, Update, Message or InputUser	Telegram ID of the other user	Optional
first_name	string	First name	Optional
last_name	string	Last name	Optional
phone	string	User’s phone number, may be omitted to simply add the user to the contact list, without a phone number.	Optional

Return type: Updates

Can userbots use this method: YES

Can bots use this method: NO

MadelineProto Example (now async for huge speed and parallelism!):

if (!file_exists('madeline.php')) {
    copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
}
include 'madeline.php';

$MadelineProto = new \danog\MadelineProto\API('session.madeline');
$MadelineProto->start();

$Updates = $MadelineProto->contacts->addContact(add_phone_privacy_exception: $Bool, id: $InputUser, first_name: 'string', last_name: 'string', phone: 'string', );