PHP实现chrome表单请求数据转换为接口使用的json数据

<?php
// 文件路经
$f = './t.data';

$content = file_get_contents($f);

$rows = explode("\n", $content);

$data = [];
foreach ($rows as $row) {
  // 分割key和value
  $rowInfo = explode(':', $row);
  $keyInfo = array_shift($rowInfo);
  $value  = trim(implode(':', $rowInfo));

  $keyArray = getCharArray($keyInfo);
  $keyItem = '';
  $keys   = [];
  foreach ($keyArray as $char) {
    if ($char == '[') {
      $keys[] = $keyItem;
      $keyItem = '';
    } elseif ($char == ']') {
      continue;
    } else {
      $keyItem .= $char;
    }
  }
  $keys[] = $keyItem;

  // 驼峰转下划线
  $keys = array_map(function ($item) {
    return strtolower(preg_replace('/(?<=[a-z])([A-Z])/', '_$1', $item));
  }, $keys);

  $firstKey = array_shift($keys);
  if (empty($keys)) {
    $data[$firstKey] = $value;
  } else {
    if (!isset($data[$firstKey])) {
      $data[$firstKey] = [];
    }
    $item = &$data[$firstKey];
    while (!empty($keys)) {
      $currentKey = array_shift($keys);
      if (!isset($item[$currentKey])) {
        $item[$currentKey] = [];
      }
      $item = &$item[$currentKey];
    }
    $item = $value;
    unset($item);
  }
}
echo json_encode($data, JSON_UNESCAPED_UNICODE);

/**
 * 字符串转字符数组
 *
 * @param string $string
 *
 * @return array
 */
function getCharArray(string $string)
{
  $strlen  = mb_strlen($string);
  $i     = 0;
  $charArray = [];
  while ($i < $strlen) {
    $charArray[] = mb_substr($string, $i, 1);
    $i++;
  }
  return $charArray;
}

thumbnail: https://avatar-static.segmentfault.com/393/562/3935623170-1140000000142909
name: 101 新手上路
description: 面向新手开发者的问题集中营
sidebar: 欢迎来到 SegmentFault 101 新手上路问答。如果你是开发新手，有各种各样的疑惑，但又害怕提出来被嘲笑，欢迎在此提问。本区禁止嘲讽，请大家认真解答问题。
admins[0][user_id]: 1030000000094051
admins[0][isNoticeSite]: 0
admins[0][isNoticeMail]: 0
admins[1][user_id]: 1030000000091305
admins[1][isNoticeSite]: 0
admins[1][isNoticeMail]: 0
admins[2][user_id]: 1030000000146026
admins[2][isNoticeSite]: 0
admins[2][isNoticeMail]: 0
admins[3][user_id]: 1030000000141721
admins[3][isNoticeSite]: 0
admins[3][isNoticeMail]: 0
admins[4][user_id]: 1030000000142354
admins[4][isNoticeSite]: 0
admins[4][isNoticeMail]: 0
admins[5][user_id]: 1030000000144141
admins[5][isNoticeSite]: 0
admins[5][isNoticeMail]: 0
admins[6][user_id]: 1030000000091353
admins[6][isNoticeSite]: 0
admins[6][isNoticeMail]: 0

{
  "thumbnail": " https:\/\/avatar-static.segmentfault.com\/393\/562\/3935623170-1140000000142909",
  "name": " 101 新手上路",
  "description": " 面向新手开发者的问题集中营",
  "sidebar": " 欢迎来到 SegmentFault 101 新手上路问答。如果你是开发新手，有各种各样的疑惑，但又害怕提出来被嘲笑，欢迎在此提问。本区禁止嘲讽，请大家认真解答问题。",
  "admins": [
    {
      "user_id": " 1030000000094051",
      "is_notice_site": " 0",
      "is_notice_mail": " 0"
    },
    {
      "user_id": " 1030000000091305",
      "is_notice_site": " 0",
      "is_notice_mail": " 0"
    },
    {
      "user_id": " 1030000000146026",
      "is_notice_site": " 0",
      "is_notice_mail": " 0"
    },
    {
      "user_id": " 1030000000141721",
      "is_notice_site": " 0",
      "is_notice_mail": " 0"
    },
    {
      "user_id": " 1030000000142354",
      "is_notice_site": " 0",
      "is_notice_mail": " 0"
    },
    {
      "user_id": " 1030000000144141",
      "is_notice_site": " 0",
      "is_notice_mail": " 0"
    },
    {
      "user_id": " 1030000000091353",
      "is_notice_site": " 0",
      "is_notice_mail": " 0"
    }
  ]
}