php - 将维度和指标数据添加到数组

Question

使用以下代码(来自 Analytics quickstart )，我试图将维度和指标数据添加到 $responseArray数组以便稍后将其作为 JSON 返回:

public function formatDailySessionsReport( $reports ) {
    $responseArray = array();
    for ( $reportIndex = 0; $reportIndex < count( $reports ); $reportIndex++ ) {
        $report = $reports[ $reportIndex ];
        $header = $report->getColumnHeader();
        $dimensionHeaders = $header->getDimensions();
        $metricHeaders = $header->getMetricHeader()->getMetricHeaderEntries();
        $rows = $report->getData()->getRows();

        for ( $rowIndex = 0; $rowIndex < count($rows); $rowIndex++) {
            $row = $rows[ $rowIndex ];
            $dimensions = $row->getDimensions();
            $metrics = $row->getMetrics();
            for ($i = 0; $i < count($dimensionHeaders) && $i < count($dimensions); $i++) {
                //Adding dimension data here
                $responseArray[$rowIndex][$i][$dimensionHeaders[$i]] = $dimensions[$i];
                //print($dimensionHeaders[$i] . ": " . $dimensions[$i] . "\n");
            }

            for ($j = 0; $j < count($metrics); $j++) {
                $values = $metrics[$j]->getValues();
                for ($k = 0; $k < count($values); $k++) {
                    $entry = $metricHeaders[$k];
                    //Adding metric data here
                    $responseArray[$j][$k][$entry->getName()] = $values[$k];
                    //print($entry->getName() . ": " . $values[$k] . "\n");
                }
            }
        }
    } 
    return $responseArray;      
}

使用注释掉的 print 时声明，数据似乎打印正确:

ga:date: 20170426
sessions: 2711
ga:date: 20170427
sessions: 2425
ga:date: 20170428
sessions: 2620

但是，当尝试将其添加到数组时，数据的格式似乎不正确( session 仅包含一次):

"response": [
    [
      {
        "ga:date": "20170426",
        "sessions": "656"
      }
    ],
    [
      {
        "ga:date": "20170427"
      }
    ],
    [
      {
        "ga:date": "20170428"
      }
    ],
    ...
]

我正在使用以下内容创建 JSON 响应:

$response = $this->formatDailySessionsReport( $reportData );
// Return response
echo json_encode( array( 'response' => $response ) );

我期待更像这样的东西:

"response" [
  {
    "ga:date": "20170426",
    "sessions": "656"
  },
  {
    "ga:date": "20170427",
    "sessions": "1234"
  },
  {
    "ga:date": "20170428",
    "sessions": "1234"
  }  
]

将日期和 session 包含在一起， 我如何构建 $responseArray得到我预期的格式？

Answer 1

您可以将此代码与 array_map() 一起使用，

$responseArray['response'] = array_map(function($v){
  return $v[0];
}, $responseArray['response']);