這裏有一個json字符串,並且需要獲取所有父數組的位置registratition_id
例如,我想在結束了陣列把這樣的事情:PHP獲取數組父親的位置
[0] =>0
[1] =>1
[2] =>3
其實我想所有包含registration_id
$json_raw = '{"multicast_id":6446899316497614986,
"success":5,
"failure":1,
"canonical_ids":3,
"results":[
{"registration_id":"APA91bEgLFvrc0lnXqX3C1euQohdHrv_wbxtGP86ezRzGWEVMQPpJjw1GMhGzfkI8Q34TU1KRts2j_-7CyU4ce6MlX5DB3umpXDGl-Ebmg53b44UKga79ee9Sal6gT_9rP3KIz9pDEUk2JVJsQmxiWXWoIfrYEAmFg",
"message_id":"0:1396175384218906%50b5570df9fd7ecd"
},
{"registration_id":"APA91bEgLFvrc0lnXqX3C1euQohdHrv_wbxtGP86ezRzGWEVMQPpJjw1GMhGzfkI8Q34TU1KRts2j_-7CyU4ce6MlX5DB3umpXDGl-Ebmg53b44UKga79ee9Sal6gT_9rP3KIz9pDEUk2JVJsQmxiWXWoIfrYEAmFg",
"message_id":"0:1396175384218155%50b5570df9fd7ecd"
},
{"message_id":"0:1396175384218718%b91f4d1ff9fd7ecd"
},
{"registration_id":"APA91bEgLFvrc0lnXqX3C1euQohdHrv_wbxtGP86ezRzGWEVMQPpJjw1GMhGzfkI8Q34TU1KRts2j_-7CyU4ce6MlX5DB3umpXDGl-Ebmg53b44UKga79ee9Sal6gT_9rP3KIz9pDEUk2JVJsQmxiWXWoIfrYEAmFg",
"message_id":"0:1396175384219100%50b5570df9fd7ecd"
},
{"message_id":"0:1396175384219927%50b5570df9fd7ecd"
},
{"error":"InvalidRegistration"
}]
}';
+1感謝的人,你救了我的天! –