Download Instagram Stories without mark them as seen :)))

index.php

<?php
/**
you should this before run this code

composer require mgp25/instagram-php

*/

require_once __DIR__ . '/vendor/autoload.php';

$ig = new \InstagramAPI\Instagram(false, false);

try {
    $account = $ig->login('YOUR USERNAME', 'YOUR PASSWORD');

    $stories = $ig->story->getReelsTrayFeed();

    $folderPath = __DIR__ . '/stories/' . date('Y-m-d') . '/';
    if (!file_exists($folderPath)) {
        mkdir($folderPath, 0777, true);
        echo 'start to create folder : ' . PHP_EOL;
    }
    echo "Start to fetch" . PHP_EOL;
    $totalStories = count($stories->getTray());
    foreach ($stories->getTray() as $i => $story) {

        $data = $ig->story->getUserReelMediaFeed($story->getUser()->getPk());

        echo $i . '/' . $totalStories . " Get data from user : " . $story->getUser()->getUsername() . PHP_EOL;

        $total = count($data->getItems());
        foreach ($data->getItems() as $index => $item) {
            file_put_contents($folderPath . $data->getUser()->getUsername() . '_' . $index . '.jpg',
                file_get_contents($item->getImageVersions2()->getCandidates()[0]->getUrl()));
            echo '[' . $index . '/' . $total . '] download image from ' . $data->getUser()->getUsername() . PHP_EOL;
        }
    }

    echo base64_decode('2KLYriDYotiuINin2LIg2KfYr9mFINmB2YjYttmI2YQgOikpKSkpKQ==') . PHP_EOL;
} catch (\Exception $exception) {

}