在维护 json 的循环中打印 foreach 循环

Question

我有这段代码，因为我正在尝试使用 foreach 循环实现 json 代码

foreach ($single_google as $row) {
    $data['step'][] = array(
        "@type" => "HowToStep",
        "url" => "https://example.com/kitchen#step1",
        "name" => "Prepare the surfaces",
        "itemListElement" => array(),
        "image" => [
            "@type" => "ImageObject",
            "url" => "https://example.com/photos/1x1/photo-step1.jpg",
            "height" => "406",
            "width" => "305"
        ],
    );


    $all_step_google = json_decode($row["steps"]);
    foreach ($all_step_google as $single_step_google) {
        $data['itemListElement'][] = array(
            "@type" => "HowToDirection",
            "text" => "testing",

        );
    }
}

print_r(json_encode($data));

在编码结束时，尝试运行我得到了这个

 {
      "@type": "HowToStep",
      "url": "https://example.com/kitchen#step1",
      "name": "Prepare the surfaces",
      "itemListElement": [],
      "image": {
        "@type": "ImageObject",
        "url": "https://example.com/photos/1x1/photo-step1.jpg",
        "height": "406",
        "width": "305"
      }
    }
  ],
  "itemListElement": [
    {
      "@type": "HowToDirection",
      "text": "test."
    }

而不是我实际需要的这个。

 {
      "@type": "HowToStep",
      "url": "https://example.com/kitchen#step1",
      "name": "Prepare the surfaces",
      "itemListElement": [
    {
      "@type": "HowToDirection",
      "text": "Test"
    }
],
      "image": {
        "@type": "ImageObject",
        "url": "https://example.com/photos/1x1/photo-step1.jpg",
        "height": "406",
        "width": "305"
      }
    }
  ],

我希望 "itemListElement" => array(), 在 "image" => [] 之前打印，但它在 foreach 循环之后继续打印。请帮助我，我迷路了。

Answer 1

您在第二个循环中使用 $data['itemListElement'][] = array(... 以便将新键分配给您的数据主数组，正确的代码应该是这样的

............
    foreach ($all_step_google as $key => $single_step_google) {
       $data['step'][$key]['itemListElement'][] = array(
          "@type" => "HowToDirection",
          "text" => "testing",
       );
    }
............

在维护 json 的循环中打印 foreach 循环

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