/**
* Returns the string to save in the cookie from the $this->value array of values.
* It goes through the array and generates the cookie content string.
*
* @return string Cookie content
*/
protected function generateContentString()
{
$cookieStr = '';
foreach ($this->value as $name => $value) {
if (!is_numeric($value)) {
// @see http://bugs.php.net/38680
if (PHP_VERSION < '5.2.1') {
$value = base64_encode(safe_serialize($value));
} else {
$value = base64_encode(json_encode($value));
}
}
$cookieStr .= "{$name}={$value}" . self::VALUE_SEPARATOR;
}
if (!empty($cookieStr)) {
$cookieStr .= '_=';
// sign cookie
$signature = sha1($cookieStr . Core_Common::getSalt());
return $cookieStr . $signature;
}
return '';
}
