function find_grand_node($tree, $node)
{
$arr = array();
foreach ($tree as $key => $value) {
if (isset($value['id']) && $value['id'] == $node) {
$arr = $value;
return $arr;
}
if (isset($value['children']) && is_array($value['children'])) {
$temp = find_grand_node($value['children'], $node);
if (!empty($temp)) {
$arr[] = $temp;
}
}
}
return $arr;
}
public function get_reply_message()
{
$data = $this->input->stream();
$messages = $this->message_model->get_all_by_condition();
$new_messages = array();
foreach ($messages as $key => $value) {
$new_messages[$value['id']] = $value;
}
$messages = gen_tree($new_messages, 'pid');
$reply_messages = find_grand_node($messages, $data['id']);
if (is_array($reply_messages) && !empty($reply_messages)) {
if (!empty($reply_messages['children'])) {
die(json_encode(array('code' => 200, 'message' => '获取成功', 'data' => $this->render_html($reply_messages['children']))));
} else {
die(json_encode(array('code' => 200, 'message' => '获取成功')));
}
} else {
die(json_encode(array('code' => 403, 'message' => '获取失败')));
}
}
/**
* 获取指定栏目集
*
* @param $pid 父ID
*
* return array
*/
public function get_columns($pid = 0)
{
$columns = $this->CI->db->order_by('sort asc')->get('column')->result_array();
$new_columns = array();
foreach ($columns as $key => $value) {
$new_columns[$value['id']] = $value;
}
$columns = gen_tree($new_columns, 'pid');
if ($pid == 0) {
return $columns;
}
return find_grand_node($columns, $pid);
}
