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<?php

require_once 'vendor/autoload.php';

use Goutte\Client;

$url = "http://medoo.in/";

/**
 * get first snapshot url from archive.org
 * @param  string  $url  url of the archived website
 * @param  integer $year year of the first snapshot (default: 1996)
 * @return string        url
 * @author Leksat <http://stackoverflow.com/a/11699301/1990745>
 */
function getFirstSnapshot($url, $year = 1996) {
    $waybackurl = "https://web.archive.org/web/$year/$url"; // < redirects to first snapshot
    $ch = curl_init($waybackurl);
    curl_setopt_array($ch, [
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_HEADER         => true,
        CURLOPT_FOLLOWLOCATION => false,
        ]);
    $response = curl_exec($ch);
    preg_match_all('/^Location:(.*)$/mi', $response, $matches);
    curl_close($ch);
    return !empty($matches[1]) ? trim($matches[1][0]) : false;
}

$first_url = getFirstSnapshot($url);
if ($first_url) {
    preg_match('/\d{4}+/', $first_url, $firstFoundYear); // find year
    $firstFoundYear = (int)$firstFoundYear[0];
} else {
    die('Could not find first snapshot');
}


$foundUrls = [];
foreach (range($firstFoundYear, (int)date('Y')) as $year) {
    echo ">> Year:" . $year . PHP_EOL;
    $client = new Client();
    $crawler = $client->request('GET', "https://web.archive.org/web/$year*/$url"); // '*' => show calendar
    $maxpage = $crawler->filter('.day a[href^="/web/"][href$="'.$url.'"]')->each(function ($node) use ($foundUrls) {
        echo $foundUrls[] = $node->attr('href');
        echo PHP_EOL;
    });
}

{
    "require": {
        "fabpot/goutte": "^3.2",
        "digitalnature/php-ref": "^1.2"
    }
}