Question

我有一个二维数组，用于显示调查。该数组包含63行（问题）。每行包含GpDesc（分组即领导特征）和QueDesc（问题）。有9种不同的GpDesc。我想在第一次出现时回显GpDesc，然后回显该组中的问题和单选按钮，直到下一个GpDesc。我知道我需要一个GpDesc数量的外循环和该组内问题的内循环但我不知道如何做到这一点。这是$ varArray的一部分：

echo

有人可以帮忙吗？

Answer 1

<?php
$survey =
Array(
                Array (
                        'GpID' => 1168,
                        'GpDesc' => 'LEADERSHIP TRAITS',
                        'QueID' => 10266,
                        'QueDesc' => 'Is visionary',
                        'GpQue' => 0
                      ),
                Array (
                        'GpID' => 1168,
                        'GpDesc' => 'LEADERSHIP TRAITS',
                        'QueID' => 10267,
                        'QueDesc' => 'Possesses high degree of integrity',
                        'GpQue' => 0
                      ),
                Array (
                        'GpID' => 1169,
                        'GpDesc' => 'MANAGEMENT TRAITS',
                        'QueID' => 10277,
                        'QueDesc' => 'Involves faculty in strategic planning',
                        'GpQue' => 0
                      ),
                Array (
                        'GpID' => 1169,
                        'GpDesc' => 'MANAGEMENT TRAITS',
                        'QueID' => 10278,
                        'QueDesc' => 'Utilizes departmental advisory group or other clientele in decision making',
                        'GpQue' => 0
                      )
                );

echo $survey[0]['GpDesc'].PHP_EOL;
$prevGpId = $survey[0]['GpID'];

foreach ($survey as $line) {
        if ($line['GpID'] !== $prevGpId) {
                echo $line['GpDesc'].PHP_EOL;
                $prevGpId = $line['GpID'];
        }
        echo "\t".$line['QueDesc'].PHP_EOL;
 }

二维数组的回声值

1 个答案: