} else {
$item_ar = explode(".", $item_num);
$item_chapter = $item_ar[0];
$item_section = $item_ar[0] . "." . $item_ar[1];
$title = preventOrphans($items[$item_num]);
}
$keys = array_keys($items);
$next_num = false;
if (isset($keys[array_search($item_num, $keys) + 1])) {
$next_num = $keys[array_search($item_num, $keys) + 1];
$next_item = preventOrphans($items[$next_num]);
}
$prev_num = false;
if (isset($keys[array_search($item_num, $keys) - 1])) {
$prev_num = $keys[array_search($item_num, $keys) - 1];
$prev_item = preventOrphans($items[$prev_num]);
}
?>
<!DOCTYPE html>
<html lang="en-gb">
<head>
<title><?php
echo $title;
?>
| The Elements of Typographic Style Applied to the Web</title>
<?php
include $dr . "headlinks.inc.php";
?>
</head>
<body>
<li style="margin-bottom:1.5em"><a href="/intro/">Introduction</a></li>
<?php
// Inefficient looping through the ToC data arrays, but heh it works doesn't it?
foreach ($chapters as $chapter_num => $chapter) {
echo "<li id='{$chapter_num}'><span>{$chapter_num} </span><h3>" . htmlentities($chapter) . "</h3>\n<ol>\n";
foreach ($sections as $section_num => $section) {
$section_chapter_ar = explode(".", $section_num);
$section_chapter = $section_chapter_ar[0];
if ($section_chapter == $chapter_num) {
echo "<li id='{$section_num}'><span>{$section_num} </span><h4>" . htmlentities($section) . "</h4>\n<ol>\n";
foreach ($items as $item_num => $item) {
$item_ar = explode(".", $item_num);
$item_section = $item_ar[0] . "." . $item_ar[1];
if ($item_section == $section_num) {
echo "<li id='{$item_num}'><span>{$item_num} </span><a href='/{$item_num}'>" . preventOrphans($item) . "</a></li>\n";
}
}
echo "</ol>\n</li>\n";
}
}
echo "</ol>\n</li>\n";
}
?>
<li><h3>Reference</h3>
<ol id="reference">
<li><a href="/bibliography/">Bibliography</a></li>
</ol>
</li>
</ol>
