breadcrumb.php

<!-- Breadcrumbs -->
<ol class="breadcrumb">
    <?php foreach ($this->uri->segments as $segment): ?>
        <?php
            $url = substr($this->uri->uri_string, 0, strpos($this->uri->uri_string, $segment)) . $segment;
            $is_active = $url == $this->uri->uri_string;
        ?>

    <li class="breadcrumb-item <?php echo $is_active ? 'active': '' ?>">
        <?php if($is_active): ?>
            <?php echo ucfirst($segment) ?>
        <?php else: ?>
            <a href="<?php echo site_url($url) ?>"><?php echo ucfirst($segment) ?></a>
        <?php endif; ?>
    </li>
    <?php endforeach; ?>
</ol>