cURL php is not showing the same result as chrome/firefox does

Solution:

In your cUrl, you should send the same data as your chrome browser (the response of the server may depends on headers or even your cookies).

There is a nice tool of Curl to PHP which may help you. Go to chrome inspect window and in the network tab, see the sent request, by right clicking the request, you can copy the request as cUrl and use this tool to generate the PHP code for the same HTTP request as your browser does,

So, for example for your mentioned URL in my chrome browser, I got this curl command:

curl 'https://www.aliexpress.com/item/4000217196656.html' -H 'authority: www.aliexpress.com' -H 'pragma: no-cache' -H 'cache-control: no-cache' -H 'upgrade-insecure-requests: 1' -H 'user-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36' -H 'sec-fetch-mode: navigate' -H 'accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3' -H 'sec-fetch-site: none' -H 'accept-encoding: gzip, deflate, br' -H 'accept-language: en-US,en;q=0.9' --compressed
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which is translated into the following PHP code:

// Generated by curl-to-PHP: http://incarnate.github.io/curl-to-php/
$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, 'https://www.aliexpress.com/item/4000217196656.html');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'GET');

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

$headers = array();
$headers[] = 'Authority: www.aliexpress.com';
$headers[] = 'Pragma: no-cache';
$headers[] = 'Cache-Control: no-cache';
$headers[] = 'Upgrade-Insecure-Requests: 1';
$headers[] = 'User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36';
$headers[] = 'Sec-Fetch-Mode: navigate';
$headers[] = 'Sec-Fetch-User: ?1';
$headers[] = 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3';
$headers[] = 'Sec-Fetch-Site: none';
$headers[] = 'Accept-Encoding: gzip, deflate, br';
$headers[] = 'Accept-Language: en-US,en;q=0.9';
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

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