PHPアクセスオブジェクトのキー/値

Question

「backpackPosition」のように、オブジェクト内の値にアクセスする方法を知りましたか？私はforeachループのようなものに入れなければならないだろうと推測していますが、値を取得する方法はわかりません。ありがとうございました！

TF2Inventory Object 
(
[fetchDate] => 1234541231 
[items] => Array 
(
    [60] => TF2Item Object 
     (
      [equipped] => Array 
       (
        [scout] => 1 
        [sniper] => 1 
        [soldier] => 1 
        [demoman] => 1 
        [medic] => 1 
        [heavy] => 1 
        [pyro] => 1 
        [spy] => 1 
       ) 

      [attributes] => Array 
       (
        [0] => stdClass Object 
         (
          [name] => custom employee number 
          [class] => set_employee_number 
          [value] => 0 
         ) 

        [1] => stdClass Object 
         (
          [name] => cannot trade 
          [class] => cannot_trade 
          [value] => 1 
         ) 

       ) 

      [backpackPosition] => 61 
      [className] => tf_wearable 
      [count] => 1 
      [defindex] => 170 
      [id] => 535518002 
      [level] => 20 
      [name] => Primeval Warrior 
      [quality] => unique 
      [slot] => misc 
      [tradeable] => 
      [type] => Badge 
     ) 

    [43] => TF2Item Object 
     (
      [equipped] => Array 
       (
        [scout] => 0 
        [sniper] => 0 
        [soldier] => 0 
        [demoman] => 0 
        [medic] => 0 
        [heavy] => 0 
        [pyro] => 0 
        [spy] => 0 
       ) 

      [attributes] => Array 
       (
        [0] => stdClass Object 
         (
          [name] => cannot trade 
          [class] => cannot_trade 
          [value] => 1 
         ) 

       ) 

      [backpackPosition] => 44 
      [className] => tf_wearable 
      [count] => 1 
      [defindex] => 471 
      [id] => 535518003 
      [level] => 50 
      [name] => Proof of Purchase 
      [quality] => unique 
      [slot] => head 
      [tradeable] => 
      [type] => Hat 
     ) 

    [42] => TF2Item Object 
     (
      [equipped] => Array 
       (
        [scout] => 1 
        [sniper] => 1 
        [soldier] => 1 
        [demoman] => 1 
        [medic] => 1 
        [heavy] => 1 
        [pyro] => 1 
        [spy] => 1 
       ) 

      [attributes] => 
      [backpackPosition] => 43 
      [className] => tf_wearable 
      [count] => 1 
      [defindex] => 278 
      [id] => 541628464 
      [level] => 31 
      [name] => Horseless Headless Horsemann's Head 
      [quality] => unique 
      [slot] => head 
      [tradeable] => 
      [type] => Hat 
     ) 

    [59] => TF2Item Object 
     (
      [equipped] => Array 
       (
        [scout] => 0 
        [sniper] => 0 
        [soldier] => 0 
        [demoman] => 0 
        [medic] => 0 
        [heavy] => 0 
        [pyro] => 0 
        [spy] => 0 
       ) 

      [attributes] => Array 
       (
        [0] => stdClass Object 
         (
          [name] => cannot trade 
          [class] => cannot_trade 
          [value] => 1 
         ) 

       ) 

      [backpackPosition] => 60 
      [className] => tf_wearable 
      [count] => 1 
      [defindex] => 115 
      [id] => 548155039 
      [level] => 10 
      [name] => Mildly Disturbing Halloween Mask 
      [quality] => unique 
      [slot] => head 
      [tradeable] => 
      [type] => Holiday Hat 
     ) 

Answer 1

foreach($inventory_object->items as $item) 
{ 
    $item->backpackPosition; 
}