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Method: channels.deleteParticipantHistory

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Delete all messages sent by a specific participant of a given supergroup

Parameters:

NameTypeDescriptionRequired
channelUsername, chat ID, Update, Message or InputChannelSupergroupOptional
participantUsername, chat ID, Update, Message or InputPeerThe participant whose messages should be deletedOptional

Return type: messages.AffectedHistory

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();

// PHP 8+ syntax, use an array on PHP 7.
$messages_AffectedHistory = $MadelineProto->channels->deleteParticipantHistory(channel: InputChannel, participant: InputPeer, );