的總數我有一個JSON這種結構:(附圖片) 我想在0,1,11整體的總鑰匙。獲取JSON鍵和PHP對象或JS
我有這樣的代碼,讓我輸出的「3」,但我想在這3個對象的總目標總:
$url = '//json url';
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_TIMEOUT, 5);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = curl_exec($ch);
curl_close($ch);
$data = json_decode($data, true);
echo count($data['planes']);