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好即時得到這樣一個PHP服務器響應:如何解析此PHP服務器響應以消除空元素?
[[],[],[],[{"username":"xcodeSim","PUNTOS":"5"}],[],]
這是因爲我從MySQL這個代碼是接收這樣一個NSArray序列化後的PHP文件中獲取數據預計:
NSData *data = [NSJSONSerialization dataWithJSONObject:usersArray options:0 error:&error];
所以服務器執行此操作:
foreach ($post_data as $value)
{
//CREATE QUERY
$result = mysql_query("SELECT username, SUM(points) AS PUNTOS FROM tags WHERE username='$value' GROUP BY username");
//EXECUTE QUERY & ADD EACH USER/POINTS DICTIONARY TO $resultado ARRAY
$resultado = array();
while($obj = mysql_fetch_object($result))
{
$resultado[] = $obj;
}
//STORE RESULTS IN NEW OBJECT TO RETURN
$arrayToReturn[] = $resultado;
}
Echo $json->encode($arrayToReturn);
所以我有兩個問題:
1)如何消除每個用戶點字典的內部數組?
2)我該如何消除主陣列中空的內部數組?
感謝
Thx @MarcB太棒了! :) – marciokoko