清理格式化后的从PHP数组转换而来的JSON

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清理格式化后的从PHP数组转换而来的JSON

这个问题已经有了答案:

从 PHP 脚本返回 JSON

我正在尝试使用 PHP 查询数据库，以获得以下格式的 JSON...请注意，没有最终逗号

[
      {
        "ID": "4",
        "Name": "Jill Higgins",
        "Job Title": "Designer",
        "Organisation": "Design Widget",
        "Organisation Type": "Academia",
        "Latitude": "54.669978",
        "Longitude": "-1.452469"
    },
    {
        "ID": "5",
        "Name": "Bob Billy",
        "Job Title": "Clown",
        "Organisation": "Big Comp INC",
        "Organisation Type": "Company",
        "Latitude": "54.669978",
        "Longitude": "-1.452469"
    }
]

这是我目前的代码...

if (PerchUtil::count($members)) {
echo '[';
foreach ($members as $Member) {
  //prepare the data
  $data = array(
    'ID' => $Member->memberID(),
    'Name' => $Member->first_name() . ' ' . $Member->last_name(),
    'Job Title' => $Member->expert_job_title(),
    'Organisation' => $Member->expert_org_name(),
    'Organisation Type' => $Member->expert_org_type(),
    'Latitude' => $Member->expert_org_latitude(),
    'Longitude' => $Member->expert_org_longitude()
  );
}
echo ']';
}
header('Content-Type: application/json');

这是它目前的样子...请注意结尾处有一个逗号，而我不需要它。括号之间的空格也没有什么用...我该如何修改 PHP 代码，使其更简洁，而且不会加上最后的逗号？

[{
    "ID": "4",
    "Name": "Jill Higgins",
    "Job Title": "Designer",
    "Organisation": "CPI",
    "Organisation Type": "Academia",
    "Latitude": "54.669978",
    "Longitude": "-1.452469"
},{
    "ID": "5",
    "Name": "Bob Billy",
    "Job Title": "Clown",
    "Organisation": "Big Comp INC",
    "Organisation Type": "Company",
    "Latitude": "54.669978",
    "Longitude": "-1.452469"
},]

admin 更改状态以发布 2023年5月23日
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1 答案

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创建一个 $data 数组来存储你想要编码的数据，使用 $data[] = 添加每个项目，然后使用 echo json_encode($data); 获取正确的格式... \n

if (PerchUtil::count($members)) {
    $data = [];
    foreach ($members as $Member) {
      //prepare the data
      $data[] = array(
         'ID' => $Member->memberID(),
         'Name' => $Member->first_name() . ' ' . $Member->last_name(),
         'Job Title' => $Member->expert_job_title(),
         'Organisation' => $Member->expert_org_name(),
         'Organisation Type' => $Member->expert_org_type(),
         'Latitude' => $Member->expert_org_latitude(),
         'Longitude' => $Member->expert_org_longitude()
      );
    }
    echo json_encode($data, JSON_PRETTY_PRINT);
}

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