<?php
$handleHeader = function ($curl, $header) {
    if(strpos($header,'Set-Cookie') !== false){
        $headerData = explode('; ',str_replace('Set-Cookie: ','',trim($header)));
        var_dump($headerData);
    }

    return strlen($header);
};


$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://www.google.com");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADERFUNCTION, $handleHeader);
$body = curl_exec($ch);