Login with PHP curl and CSRF token

Question

I want login from a PHP script to another website but I always get this reply:

403 Error: CSRF token mismatch

I extract the CSRF token from

Answer 1

now it is working!

$username = "user";
$password = "pass";
$url = "http://url.com/login";
$cookie= "c:\\cookies.txt";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie);
curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
if (curl_errno($ch)) die(curl_error($ch));
$dom = new DomDocument();
$dom->loadHTML($response);
$tokens = $dom->getElementsByTagName("meta");
for ($i = 0; $i < $tokens->length; $i++)
{
    $meta = $tokens->item($i);
    if($meta->getAttribute('name') == 'csrf-token')
    $token = $meta->getAttribute('content');
}
$postinfo = "email=".$username."&password=".$password."&_csrf=".$token;
echo $token; //debug info
curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie);
curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie);
curl_setopt($ch, CURLOPT_POSTFIELDS, $postinfo);
$html = curl_exec($ch);
    print($html);
if (curl_errno($ch)) print curl_error($ch);
    curl_close($ch);