我正在嘗試使用 php SimpleXml 列出一個 XML 文件：<Record> <TestData> <Status>Passed</Status> <Date Year="2018" Month="1" Day="25" Hour="11" Min="41" Sec="24"/> </TestData> <ResultData> <ResultItem ElementID="42"> <Status>Passed</Status> <ResultItem ElementID="43"> <Status>Passed</Status> </ResultItem> </ResultItem> <ResultItem ElementID="70"> <Status>Passed</Status> <ResultItem ElementID="72" Version="1"> <Status>Passed</Status> </ResultItem> <ResultItem ElementID="100" Version="1"> <Status>Passed</Status> </ResultItem> </ResultItem> </ResultData></Record>這是我的 php 代碼： $xml = simplexml_load_file ('20000.xml');foreach ($xml->Record->ResultData as $element) { foreach ($element as $key => $val) { echo $val['ElementID'].' '.$key.'</br>'; foreach ($xml->Record->ResultData->ResultItem as $element1) { foreach ($element1 as $key1 => $val1) { echo '- '.$val1['ElementID'].' '.$key1.'</br>'; } } }} 這就是我得到的：42 ResultItem- Status- 43 ResultItem- Status- 72 ResultItem- 100 ResultItem70 ResultItem- Status- 43 ResultItem- Status- 72 ResultItem- 100 ResultItem這是我期望的：42 ResultItem- Status- 43 ResultItem70 ResultItem- Status- 72 ResultItem- 100 ResultItem錯誤在哪里？我如何區分 foreach 循環中的兩個“Record->ResultData->ResultItem”，因為它們都有一個“ElementID”屬性和兩個不同的值？
1 回答
肥皂起泡泡
TA貢獻1829條經驗 獲得超6個贊
根據提供的 xml 結構，您可以執行以下操作：
foreach ($xml->Record->ResultData as $element) {
foreach ($element as $key => $val) {
echo $val['ElementID'].' '.$key.PHP_EOL;
// iterate over children of current element `$val`
foreach ($val as $key1 => $element1) {
if ($key1 === 'Status') {
echo '- '.$key1.PHP_EOL;
} elseif ($key1 === 'ResultItem') {
echo '- '.$element1['ElementID'].' '.$key1.PHP_EOL;
}
}
}
}
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