$menuList = [  [ 'id' => 1,'parent_id' => 0, 'name' => '節(jié)點(diǎn)1'],  [ 'id' => 2,'parent_id' => 1, 'name' => '節(jié)點(diǎn)1-1'],  [ 'id' => 3,'parent_id' => 0, 'name' => '節(jié)點(diǎn)2'],  [ 'id' => 4,'parent_id' => 3, 'name' => '節(jié)點(diǎn)2-1'],  [ 'id' => 5,'parent_id' => 2, 'name' => '節(jié)點(diǎn)1-1-1'],  [ 'id' => 6,'parent_id' => 1, 'name' => '節(jié)點(diǎn)1-2'], ];

$treeList = [ [ children: [  children: [] ] ] [, children: [  children: [] ] ]];

<?phpclass Menu{ /**  * 遞歸循環(huán)菜單列表, 轉(zhuǎn)化為菜單樹(shù)  * @param $treeList 菜單樹(shù)列表  * @param $menuList 菜單列表  * @return bool  */ public function getMenuTree(&$treeList, $menuList) {  // 初始化頂級(jí)父節(jié)點(diǎn)  if (! count($treeList)) {   foreach($menuList as $index => $menu) {    if ($menu['parent_id'] == 0) {     $treeList[] = $menu;     unset($menuList[$index]);    }   }  }  // 遞歸查找子節(jié)點(diǎn)  foreach ($treeList as &$tree) {   foreach ($menuList as $index => $menu) {    if (empty($tree['children'])) {     $tree['children'] = [];    }    if ($menu['parent_id'] == $tree['id']) {     $tree['children'][] = $menu;     unset($menuList[$index]);    }   }   if (! empty($tree['children'])) {    $this->getMenuTree($tree['children'], $menuList);   } else {    // 遞歸臨界點(diǎn)    return false;   }  } }}$menuList = [ [ 'id' => 1,'parent_id' => 0, 'name' => '節(jié)點(diǎn)1'], [ 'id' => 2,'parent_id' => 1, 'name' => '節(jié)點(diǎn)1-1'], [ 'id' => 3,'parent_id' => 0, 'name' => '節(jié)點(diǎn)2'], [ 'id' => 4,'parent_id' => 3, 'name' => '節(jié)點(diǎn)2-1'], [ 'id' => 5,'parent_id' => 2, 'name' => '節(jié)點(diǎn)1-1-1'], [ 'id' => 6,'parent_id' => 1, 'name' => '節(jié)點(diǎn)1-2'],];$treeList = [];(new Menu)->getMenuTree($treeList, $menuList);print_r($treeList);