$urunLinki ="http://www.hepsiburada.com/product-p-HBV000012A1GN";
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $urunLinki);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION , true);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $cikti = curl_exec($ch);
    curl_close($ch);

<?php
$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, 'https://www.hepsiburada.com/product-p-HBV000012A1GN');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);

curl_setopt($ch, CURLOPT_ENCODING, 'gzip, deflate');

$headers = array();
$headers[] = 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:85.0) Gecko/20100101 Firefox/85.0';
$headers[] = 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8';
$headers[] = 'Accept-Language: tr-TR,tr;q=0.8,en-US;q=0.5,en;q=0.3';
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

$result = curl_exec($ch);
if (curl_errno($ch)) {
echo 'Error:' . curl_error($ch);
}
curl_close($ch);
echo $result;