<ul class="subsubsub">
    <li>
        <a href="<?php echo admin_url("/admin.php?page=st-proqyz-evaluation&tab=evaluation-cost&subtab=evaluation-cost"); ?>" class="<?php echo ($current_subtab === "evaluation-cost")? 'current' : ''; ?>">
            Teacher Evaluation
        </a> | 
    </li>
    <li>
        <a href="<?php echo admin_url("/admin.php?page=st-proqyz-evaluation&tab=evaluation-cost&subtab=ai-evaluation-cost"); ?>" class="<?php echo ($current_subtab === "ai-evaluation-cost")? 'current' : ''; ?>">
            AI Evaluation
        </a>
    </li>
</ul>
<div class="wrap__content">
    <?php if( $current_subtab === "evaluation-cost" ) {
        require_once 'cost.php'; 
    } else if( $current_subtab === "ai-evaluation-cost" ) {
        require_once 'ai-cost.php';
    } ?>
</div>
