Method: premium.getUserBoosts

Returns the lists of boost that were applied to a channel by a specific user (admins only)

Parameters:

Name	Type	Description	Required
peer	Username, chat ID, Update, Message or InputPeer	The channel	Optional
user_id	Username, chat ID, Update, Message or InputUser	The user	Optional

Return type: premium.BoostsList

Can bots use this method: YES

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();

$premium_BoostsList = $MadelineProto->premium->getUserBoosts(peer: $InputPeer, user_id: $InputUser, );