function process_sub_nav($nav_item)
{
$sub_item_htm = "";
if (isset($nav_item["sub"]) && $nav_item["sub"]) {
$sub_nav_item = $nav_item["sub"];
$sub_item_htm = $this->process_sub_nav($sub_nav_item);
} else {
$sub_item_htm .= '<ul>';
foreach ($nav_item as $key => $sub_item) {
$url = isset($sub_item["url"]) ? $sub_item["url"] : "#";
$url_target = isset($sub_item["url_target"]) ? 'target="' . $sub_item["url_target"] . '"' : "";
$icon = isset($sub_item["icon"]) ? '<i class="fa fa-lg fa-fw ' . $sub_item["icon"] . '"></i>' : "";
$nav_title = isset($sub_item["title"]) ? $sub_item["title"] : "(No Name)";
$label_htm = isset($sub_item["label_htm"]) ? $sub_item["label_htm"] : "";
$sub_item_htm .= '<li ' . (isset($sub_item["active"]) ? 'class = "active"' : '') . '>' . '<a href="' . $url . '" ' . $url_target . '>' . $icon . ' ' . $nav_title . $label_htm . '</a>' . (isset($sub_item["sub"]) ? process_sub_nav($sub_item["sub"]) : '') . '</li>';
}
$sub_item_htm .= '</ul>';
}
return $sub_item_htm;
}
<aside id="left-panel">
<nav>
<ul>
<?php
foreach ($this->left_nav as $key => $nav_item) {
//process parent nav
$nav_htm = '';
$url = isset($nav_item["url"]) ? $nav_item["url"] : "#";
$url_target = isset($nav_item["url_target"]) ? 'target="' . $nav_item["url_target"] . '"' : "";
$icon_badge = isset($nav_item["icon_badge"]) ? '<em>' . $nav_item["icon_badge"] . '</em>' : '';
$icon = isset($nav_item["icon"]) ? '<i class="fa fa-lg fa-fw ' . $nav_item["icon"] . '">' . $icon_badge . '</i>' : "";
$nav_title = isset($nav_item["title"]) ? $nav_item["title"] : "(No Name)";
$label_htm = isset($nav_item["label_htm"]) ? $nav_item["label_htm"] : "";
$nav_htm .= '<a href="' . $url . '" ' . $url_target . ' title="' . $nav_title . '">' . $icon . ' <span class="menu-item-parent">' . $nav_title . '</span>' . $label_htm . '</a>';
if (isset($nav_item["sub"]) && $nav_item["sub"]) {
$nav_htm .= process_sub_nav($nav_item["sub"]);
}
echo '<li ' . (isset($nav_item["active"]) ? 'class = "active"' : '') . '>' . $nav_htm . '</li>' . "\n";
}
?>
</ul>
</nav>
<!-- <span class="minifyme" data-action="minifyMenu"><i class="fa fa-arrow-circle-left hit"></i></span> -->
</aside>
