Method: users.getRequirementsToContact
Check whether we can write to the specified users, used to implement bulk checks for Premium-only messages » and paid messages ».
For each input user, returns a RequirementToContact constructor (at the same offset in the vector) containing requirements to contact them.
Parameters:
| Name | Type | Description | Required | 
|---|---|---|---|
| id | Array of Username, chat ID, Update, Message or InputUser | Users to check. | Yes | 
Return type: Vector_of_RequirementToContact
Can users use this method: YES
Can bots use this method: NO
  Can bots use this method over a business connection with the businessConnectionId flag: 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();
$Vector_of_RequirementToContact = $MadelineProto->users->getRequirementsToContact(id: [$InputUser, $InputUser], );