php获取网页标题

<?php
$url = 'https://example.com';
$html = file_get_contents($url);

// 使用DOMDocument解析HTML
$dom = new DOMDocument();
@$dom->loadHTML($html);
$title = $dom->getElementsByTagName('title')->item(0)->nodeValue;

echo $title;
?>

<?php
$url = 'https://example.com';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
$html = curl_exec($ch);
curl_close($ch);

$dom = new DOMDocument();
@$dom->loadHTML($html);
$title = $dom->getElementsByTagName('title')->item(0)->nodeValue;

echo $title;
?>

@$dom->loadHTML($html);

if ($html === false) {
    echo 'Failed to fetch the page';
    exit;
}