[英]Create a menu list dynamically from php array with subelements
我有一個包含菜單項和子菜單項的PHP數組。 子菜單項設置有父ID和深度。 一個示例數組如下所示:
[0] => stdClass Object ( [CategoryID] => 4 [ParentCategoryID] => -1 [Depth] => 1 [Name] => Menu1
[1] => stdClass Object ( [CategoryID] => 2 [ParentCategoryID] => 4 [Depth] => 2 [Name] => Submenu1
[2] => stdClass Object ( [CategoryID] => 3 [ParentCategoryID] => 4 [Depth] => 2 [Name] => Submenu2
[3] => stdClass Object ( [CategoryID] => 1 [ParentCategoryID] => -1 [Depth] => 1 [Name] => Menu2
現在,我想將數組輸出像這樣的列表和子列表:
<ul>
<li>
Menu1
<ul>
<li>Submenu1</li>
<li>Submenu2</li>
<ul>
</li>
<li>
Menu2
</li>
<ul>
我無法將這些子菜單添加到父元素。 有什么方法可以輕松實現嗎?
您可以像這樣循環數組$a
,
echo "<ul>";
foreach ($a as $k => $v) {
// assuming depth = 1 is only for parent categories
if ($v->Depth == 1) {
echo "<li>";
echo $v->Name;
echo "<ul>";
foreach ($a as $k1 => $v1) {
// checking inner loops parent category with outer loop's category id
if ($v1->ParentCategoryID == $v->CategoryID) {
echo "<li>";
echo $v1->Name;
echo "</li>";
}
}
echo "</ul>";
echo "</li>";
}
}
echo "</ul>";
嘗試在PHP腳本中運行。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.