<input type="text" name="make" value="Toyota">

$dom = new DOMDocument();
$dom->loadHTML(...);
$xp = new DOMXpath($dom);
$nodes = $xp->query('//input[@name="make"]');
$node = $nodes->item(0);

$car_make = $node->getAttribute('value');

$dom = new DOMDocument();
$dom->loadHTML($result);
$xpath = new DOMXpath($dom);
$node = $xpath->query('//input[@name="token"]/attribute::value');
$token = $node->item(0)->nodeValue;