PHP获取网站标题：最快速度获取目标网站标题的两种方法比较
(.*)/i', $contents, $title);
$title = str_replace(array("
", "
", "
", ',', ' '), '', $title[1]);
return $title;
}
function getTitleCurl($t_url) {
// 使用curl获取网站标题
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $t_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$contents = curl_exec($ch);
curl_close($ch);
preg_match('/(.*) /i', $contents, $title);
$title = str_replace(array("
", "
", "
", ',', ' '), '', $title[1]);
return $title;
}
$t_url = "https://example.com";
// 初始化变量
$file_get_contents_title = "";
$curl_title = "";
// 创建两个线程，分别使用file_get_contents和curl获取网站标题
$file_get_contents_thread = new Thread(function() use($t_url, &$file_get_contents_title) {
$file_get_contents_title = getTitle($t_url);
});
$curl_thread = new Thread(function() use($t_url, &$curl_title) {
$curl_title = getTitleCurl($t_url);
});
// 启动线程
$file_get_contents_thread->start();
$curl_thread->start();
// 等待两个线程执行完毕
$file_get_contents_thread->join();
$curl_thread->join();
// 检查哪个线程先获取到网站标题，并使用该标题
if ($file_get_contents_title !== "") {
$title = $file_get_contents_title;
} else {
$title = $curl_title;
}
echo $title;
?>
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