browser.php
public function getCookieValue($host, $path, $name)
    {
        return $this->user_agent->getCookieValue($host, $path, $name);
    }
public function getCookieValue($host, $path, $name)
    {
        return $this->user_agent->getCookieValue($host, $path, $name);
    }
Reads the most specific cookie value from the browser cookies.

@param string $host        Host to search.
@param string $path        Applicable path.
@param string $name        Name of cookie to read.

@return string             False if not present, else the value as a string.