本文整理汇总了PHP中Category_Model::has_children方法的典型用法代码示例。如果您正苦于以下问题：PHP Category_Model::has_children方法的具体用法？PHP Category_Model::has_children怎么用？PHP Category_Model::has_children使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Category_Model的用法示例。
在下文中一共展示了Category_Model::has_children方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: index
function index()
{
/*
// adding children //
$id = 2;
//load catagory with id 4
$category = new Category_Model($id);
//create root node (our first category)
//$category = new Category_Model;
//$category->name = 'category 1';
//$category->save();
$category2 = new Category_Model;
$category2->name = 'first child of category '.$id;
$category2->add_to($category); // not: $category3->save() !
$category3 = new Category_Model;
$category3->name = 'second child of category '.$id;
$category3->add_to($category); // not: $category3->save() !
//after each modification to the tree, we need to rebuild it
$category_r = new Category_Model(1);
$category_r->rebuild_tree();
*/
// children statistic //
$category = new Category_Model(1);
echo $category->name;
echo '<BR>';
// does the category have any children?
echo $category->has_children() ? 'Yes' : 'No';
echo '<BR>';
echo 'has ' . $category->count_children() . ' children<BR>';
echo 'has ' . $category->find_related('catagories_description')->count_all() . ' catagories_description<BR>';
//just returns all the children of the selected catagory
$children = $category->all_children(true);
//the param "true" means to include the parent category iteslef as well in the list
foreach ($children as $node) {
echo $node->name . '<BR>';
echo 'has ' . $node->find_related('products')->count_all() . ' products<BR>';
echo 'has ' . $node->find_related('catagories_description')->count_all() . ' catagories_description<BR>';
/*
foreach($node->products as $prod){
echo $prod->name.'<BR>';
}
*/
echo $node->catagories_description->description . '<BR><BR>';
}
/*
// deleting nodes //
//delete category with id 2 and all(!) of its children
$category_d = new Category_Model(2);
$done = $category_d->delete();
var_dump($done);
*/
/*
echo '<link rel="stylesheet" type="text/css" href="http://view.jquery.com/trunk/plugins/treeview/jquery.treeview.css" />
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<script type="text/javascript" src="http://view.jquery.com/trunk/plugins/treeview/jquery.treeview.js"></script>';
$category = new Category_Model(1);
//outputs the tree structure in a un-ordered html list
echo $category->get_descendants_html();
echo '
<script type="text/javascript">
$(document).ready(function()
{
$("#tree").treeview({
animated:"medium",
collapsed:true
});
});
</script>';
*/
/*
$category = new Category_Model(1);
//returns a recursive array with all the children of the selected category
$menu = $category->to_array();
echo '<pre>';
print_r($menu);
echo '</pre>';
*/
/*
// this could be used for breadcrumbs
$category = new Category_Model(6);
$path = $category->get_path();
foreach ($path as $category){
echo ' > '.$category->name;
}
*/
/*
// Display a list of links
$category_t = new Category_Model(2);
$articles = $category_t->select_list('id', 'name', '>');
//.........这里部分代码省略.........