Online PHP editor | refs for umpvf

<?php class category { public $name; public $subCats = array(); public function __construct($name = "") { $this->name = $name; } public function add_sub_cat($subCat) { array_push($this->subCats, $subCat); } } function tree_print($root_category) { $stack = array(array($root_category)); echo '<ul>'."\n"; while (count($stack)) { $category = array_shift($stack[count($stack)-1]); echo '<li><div id="category-name"><p>' . $category->name . '</p></div></li>'."\n"; echo '<ul>'."\n"; $stack[] = $category->subCats; while (count($stack) && count($stack[count($stack)-1]) == 0) { echo '</ul>'."\n"; array_pop($stack); } } } $x = new category('root'); $x->add_sub_cat(new category('foo')); $x->add_sub_cat(new category('bar')); $x->subCats[0]->add_sub_cat(new category('baz')); $x->subCats[1]->add_sub_cat(new category('baz2')); tree_print($x);