WordPress/wp-admin/admin-functions.php

<?php


// Dandy new recursive multiple category stuff.
function cat_rows($parent = 0, $level = 0, $categories = 0) {
	global $wpdb, $tablecategories, $tablepost2cat, $bgcolor;
	if (!$categories) {
		$categories = $wpdb->get_results("SELECT * FROM $tablecategories ORDER BY cat_name");
	}
	if ($categories) {
		foreach ($categories as $category) {
			if ($category->category_parent == $parent) {
				$count = $wpdb->get_var("SELECT COUNT(post_id) FROM $tablepost2cat WHERE category_id = $category->cat_ID");
				$pad = str_repeat('&#8212; ', $level);

				$bgcolor = ('#eee' == $bgcolor) ? 'none' : '#eee';
				echo "<tr style='background-color: $bgcolor'><td>$pad $category->cat_name</td>
				<td>$category->category_description</td>
				<td>$count</td>
				<td><a href='categories.php?action=edit&amp;cat_ID=$category->cat_ID' class='edit'>Edit</a></td><td><a href='categories.php?action=Delete&amp;cat_ID=$category->cat_ID' onclick=\"return confirm('You are about to delete the category \'". addslashes($category->cat_name) ."\' and all its posts will go to the default category.\\n  \'OK\' to delete, \'Cancel\' to stop.')\" class='delete'>Delete</a></td>
				</tr>";
				cat_rows($category->cat_ID, $level + 1);
			}
		}
	} else {
		return false;
	}
}

function wp_dropdown_cats($currentcat, $currentparent = 0, $parent = 0, $level = 0, $categories = 0) {
	global $wpdb, $tablecategories, $tablepost2cat, $bgcolor;
	if (!$categories) {
		$categories = $wpdb->get_results("SELECT * FROM $tablecategories ORDER BY cat_name");
	}
	if ($categories) {
		foreach ($categories as $category) { if ($currentcat != $category->cat_ID && $parent == $category->category_parent) {
			$count = $wpdb->get_var("SELECT COUNT(post_id) FROM $tablepost2cat WHERE category_id = $category->cat_ID");
			$pad = str_repeat('&#8211; ', $level);
			echo "\n\t<option value='$category->cat_ID'";
			if ($currentparent == $category->cat_ID)
				echo " selected='selected'";
			echo ">$pad$category->cat_name</option>";
			wp_dropdown_cats($currentcat, $currentparent, $category->cat_ID, $level + 1, $categories);
		} }
	} else {
		return false;
	}
}

?>