protected static function validate($add_on)
{
if (empty(self::$add_ons)) {
self::$add_ons = self::get_add_ons();
}
$found = FALSE;
foreach (self::$add_ons as $all_add_on) {
if ($all_add_on->key == $add_on) {
$found = $all_add_on;
break;
}
}
$add_on = $found ? $found : $add_on;
$all_reg_info = self::get_reg_info();
if ($add_on && is_object($add_on) && !empty($all_reg_info[$add_on->key])) {
$reg_info = $all_reg_info[$add_on->key];
if (!empty($reg_info['expires']) && $reg_info['expires'] > time()) {
return TRUE;
}
}
if ($add_on && is_object($add_on)) {
$add_on = $add_on->item_name;
}
self::$notices .= '<div class="error"><p>' . sprintf(self::__('%s license is invalid or not found.'), $add_on);
self::$notices .= ' <a href="' . admin_url('admin.php?page=manage_settings') . '">' . self::__('Enter your license key now.') . '</a></p></div>';
return FALSE;
}
