function matchSectionLI($matches)
{
global $html;
global $currentDirectory;
global $nestLevel;
global $processedSections;
global $count;
$li = $matches[0];
$href = $matches[1];
$page = $matches[2];
$title = $matches[3];
$special = "";
$filePath = $_SERVER["DOCUMENT_ROOT"] . $href . "_nav.inc";
$processSubnav = true;
//check if file exists and contains no lis
if (file_exists($filePath)) {
$file = file_get_contents($filePath);
$regex = '/(<li[^>]*?>[\\s]*?<a[^>]*?>[\\s\\S]*?<\\/a>[\\s]*?<\\/li>)/';
if (!preg_match($regex, $file)) {
$processSubnav = false;
}
} else {
$processSubnav = false;
}
//no _nav in section
//check if this is the current sections index page link
if (!strcmp($href, $currentDirectory)) {
$processSubnav = false;
}
//check if class=ou-no-subnav within the li's node
if (strpos($li, "class=\"ou-no-subnav\"") !== false) {
$processSubnav = false;
}
//process a section only once to avoid infinite recursion when cross/links are added
if (in_array($href, $processedSections)) {
$processSubnav = false;
}
//used to be 3 and change to 1
if ($processSubnav && $nestLevel < 1) {
if ($href != '') {
array_push($processedSections, $href);
}
$html .= "<li><a href=\"{$href}{$page}\">{$title}</a>\n\t\t\t\t\t\t<ul class=\"flat-list list-group\">";
$currentDirectory = $href;
processNavFile($filePath);
$html .= "</ul></li>";
$count++;
} else {
$html .= $li;
}
//just copy the li
}
<?php
include_once 'nav_functions.php';
parse_str($_SERVER['QUERY_STRING']);
$leftnav = isset($leftnav) ? $leftnav : "/_nav.inc";
$serverFilePath = $_SERVER["DOCUMENT_ROOT"] . $leftnav;
$currentDirectory = str_replace("_nav.inc", "", $leftnav);
$nestLevel = 1;
$count = 1;
$processedSections = array();
$html = "";
processNavFile($serverFilePath);
echo $html;