<?php
include_once('./../parser/simple_html_dom.php');

$details = file_get_html("https://gratka.pl/nieruchomosci/mieszkanie-warszawa-bialoleka-ul-swiatowida/oi/2613984");

$scripts = $details->find("script");

$photos = $scripts[32]->innertext;

preg_match('/(data")\s*:([^\]]+)/', $photos, $photos);
if(isset($photos[2])){
    var_dump($photos[2]);
    echo "<hr>";
    preg_match('/.*?"url":"(.*?)"/', $photos[2], $p);
    echo "wynikow: ".count($p)."<hr>";
    foreach ($p as $px) {
        echo $px . "<br>";
    }
}