<aside class="main-sidebar">
    <section class="sidebar">
        <ul class="sidebar-menu">
            <li class="treeview<?php echo getCSSPageMenuOpen(['ds'], false)?>">
                <a href="#">
                    <i class="fa fa-files-o"></i>
                    <span>DropShipping</span>
                </a>
                <ul class="treeview-menu<?php echo getCSSPageMenuOpen(['ds'], true)?>">
                    <li class="<?php echo getCSSPageMenuOpen(['amazon'], null)?>"><a href="/ds/amazon"><i class="fa fa-circle-o"></i> Amazon</a></li>                    
                    <li class="<?php echo getCSSPageMenuOpen(['coupang'], null)?>"><a href="/ds/coupang"><i class="fa fa-circle-o"></i> Coupang</a></li>                    
                    <li class="<?php echo getCSSPageMenuOpen(['orders'], null)?>"><a href="/ds/orders"><i class="fa fa-circle-o"></i> Orders</a></li>                    
                </ul>
            </li>
        </ul>
    </section>
</aside>