我應該如何處理可能具有對象或數組值的鍵？

Question

我目前有一些代碼從站點獲取一些JSON。這基本上是我目前所做的

$valueObject = array(); 
if (isset($decoded_json->NewDataSet)) { 
      foreach ($decoded_json->NewDataSet->Deeper as $state) { 
       $i = count($valueObject); 
       $valueObject[$i] = new ValueObject(); 
       $valueObject[$i]->a = $state->a; 
} 

現在只有一個「更深」的問題發生。服務器將其作爲JSON對象返回。 $ state然後成爲Deeper對象中的每個鍵。例如$ state-> a將不存在，直到位置7附近。有什麼方法可以將深度從JSON對象轉換爲數組，當深度數爲1時？

希望這有助於說明我的問題：

"NewDataSet": { 
     "Deeper": [ 
      { 
       "a": "112", 
       "b": "1841" 
      }, 
      { 
       "a": "111", 
       "b": "1141" 
      } 
     ] 
    } 
} 

與

"NewDataSet": { 
     "Deeper": 
      { 
       "a": "51", 
       "b": "12" 
      } 
} 

上述轉換爲

"NewDataSet": { 
     "Deeper": [ 
      { 
       "a": "51", 
       "b": "12" 
      } 
     ] 
} 

將是巨大的。我不知道如何做到這一點

Answer 1

之前

foreach ($decoded_json->NewDataSet->Deeper as $state)

你可能想：

if (is_array($decoded_json->NewDataSet)) { 
    // This is when Deeper is a JSON array. 
    foreach ($decoded_json->NewDataSet->Deeper as $state) { 
     // ... 
    } 
} else { 
    // This is when Deeper is a JSON object. 
} 

更新
如果你只是想$decoded_json->NewDataSet->Deeper到一個數組，那麼：

if (!is_array($decoded_json->NewDataSet->Deeper)) { 
    $decoded_json->NewDataSet->Deeper = array($decoded_json->NewDataSet->Deeper); 
} 

foreach ($decoded_json->NewDataSet->Deeper as $state) { 
    // ... 
}