<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="Content-Type"
content="application/xhtml+xml; charset=UTF-8" />
<title>Parsing MPTT</title>
</head>
<body>
<?php
//Beispieldaten
$items = array(
array('name'=>'Item 1', 'level'=>0, 'lft'=>1, 'rgt'=>22),
array('name'=>'Item 1.1', 'level'=>1, 'lft'=>2, 'rgt'=>9),
array('name'=>'Item 1.1.1', 'level'=>2, 'lft'=>3, 'rgt'=>4),
array('name'=>'Item 1.1.2', 'level'=>2, 'lft'=>5, 'rgt'=>8),
array('name'=>'Item 1.1.2.1', 'level'=>3, 'lft'=>6, 'rgt'=>7),
array('name'=>'Item 1.2', 'level'=>1, 'lft'=>10, 'rgt'=>13),
array('name'=>'Item 1.2.1', 'level'=>2, 'lft'=>11, 'rgt'=>12),
array('name'=>'Item 1.3', 'level'=>1, 'lft'=>14, 'rgt'=>15),
array('name'=>'Item 1.4', 'level'=>1, 'lft'=>16, 'rgt'=>17),
array('name'=>'Item 1.5', 'level'=>1, 'lft'=>18, 'rgt'=>21),
array('name'=>'Item 1.5.1', 'level'=>2, 'lft'=>19, 'rgt'=>20)
);
//Ende Beispieldaten
$rgt = array();
echo "<ul>\n";
foreach ($items as $item) {
echo "<li>".$item['name'];
if ($item['rgt']>$item['lft']+1) {
echo "\n<ul>";
$rgt[] = $item['rgt'];
} else {
echo "</li>\n";
$r = $item['rgt'];
while (in_array($r+1, $rgt)) {
$r++;
echo "</ul></li>\n";
}
}
}
echo "</ul>\n";
?>
</body>
</html>
