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我编写了以下代码来获取网页的标题。但是代码不起作用并输出此错误消息:Object of class DOMElement could not be converted to string

$html = file_get_contents("http://mysmallwebpage.com/");
$dom = new DOMDocument;
@$dom->loadHTML($html);

$links = $dom->getElementsByTagName('title');

foreach ($links as $title)
{               
    echo (string)$title."<br>";
}

你能给我举个例子吗?

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