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                # PHP children() 函數 ## 定義和用法 children() 函數獲取指定節點的子節點。 ### 語法 ``` class SimpleXMLElement { string children(ns,is_prefix) } ``` | 參數 | 描述 | | --- | --- | | ns | 可選。 | | is_prefix | 可選。默認是 false。 | ## 例子 XML 文件: ``` <?xml version="1.0" encoding="ISO-8859-1"?> <note> <to>George</to> <from>John</from> <heading>Reminder</heading> <body>Don't forget the meeting!</body> </note> ``` PHP 代碼: ``` <?php $xml = simplexml_load_file("test.xml"); foreach ($xml->children() as $child) { echo "Child node: " . $child; } ?> ``` 輸出類似: ``` Child node: George Child node: John Child node: Reminder Child node: Don't forget the meeting! ```
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