php获取json数据所有的节点路径，php获取json节点

 $value) { $queue[] = $field; } $head = 0; $tail = count($queue); while ($head  $ph) { $tmpData = &$tmpData[$ph];} if (is_array($tmpData) && !empty($tmpData)) { $newField = $field;  foreach ($tmpData as $curField => $curValue) { $newField = $field . '/' . $curField; $queue[$tail++] = $newField;} } else { $retData[] = $field; }}} return $retData;}//测试数据$data = file_get_contents("http://restapi.ele.me/v1/restaurants?extras%5B%5D=food_activity&extras%5B%5D=restaurant_activity&extras%5B%5D=certification&fields%5B%5D=id&fields%5B%5D=name&fields%5B%5D=phone&fields%5B%5D=promotion_info&fields%5B%5D=name_for_url&fields%5B%5D=flavors&fields%5B%5D=is_time_ensure&fields%5B%5D=is_premium&fields%5B%5D=image_path&fields%5B%5D=rating&fields%5B%5D=is_free_delivery&fields%5B%5D=minimum_order_amount&fields%5B%5D=order_lead_time&fields%5B%5D=is_support_invoice&fields%5B%5D=is_new&fields%5B%5D=is_third_party_delivery&fields%5B%5D=is_in_book_time&fields%5B%5D=rating_count&fields%5B%5D=address&fields%5B%5D=month_sales&fields%5B%5D=delivery_fee&fields%5B%5D=minimum_free_delivery_amount&fields%5B%5D=minimum_order_description&fields%5B%5D=minimum_invoice_amount&fields%5B%5D=opening_hours&fields%5B%5D=is_online_payment&fields%5B%5D=status&fields%5B%5D=supports&fields%5B%5D=in_delivery_area&geohash=wx4g07j0w1v7&is_premium=0&limit=1000&offset=24&type=geohash");$ret = iterTree($data);print_r($ret);

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