这篇文章主要介绍了PHP中使用CURL获取页面title例子,本文使用正则实现获取页面title、页面编码、head标签中的内容,需要的朋友可以参考下
通过PHP获取页面title内容的实战演示:
范例代码:
复制代码 代码如下:
/*
功能: 取得 URL 页面上的
参数:$_POST['url']
*/
// 设置最长执行的秒数
ini_set ("expect.timeout", 30);
set_time_limit(30);
// 检查 URL
if(!isset($_POST['url']) || $_POST['url'] == ''){
echo "URL 错误";
exit;
}
/* 取得 URL 页面数据 */
// 初始化 CURL
$ch = curl_init();
// 设置 URL
curl_setopt($ch, CURLOPT_URL, $_POST['url']);
// 让 curl_exec() 获取的信息以数据流的形式返回,而不是直接输出。
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
// 在发起连接前等待的时间,如果设置为0,则不等待
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, 0);
// 设置 CURL 最长执行的秒数
curl_setopt ($ch, CURLOPT_TIMEOUT, 30);
// 尝试取得文件内容
$store = curl_exec ($ch);
// 检查文件是否正确取得
if (curl_errno($ch)){
echo "无法取得 URL 数据";
//echo curl_error($ch);/*显示错误信息*/
exit;
}
// 关闭 CURL
curl_close($ch);
// 解析 HTML 的 区段
preg_match("/
if(!count($htmlHeaders)){
echo "无法解析数据中的 区段";
exit;
}
// 取得 中 meta 设置的编码格式
if(preg_match("/]*http-equiv[^>]*charset=(.*)(\"|')/Ui",$htmlHeaders[1], $results)){
$charset = $results[1];
}else{
$charset = "None";
}
// 取得
if(preg_match("/
if(!count($htmlTitles)){
echo "无法解析
exit;
}
// 将
if($charset == "None"){
$title=$htmlTitles[1];
}else{
$title=iconv($charset, "UTF-8", $htmlTitles[1]);
}
echo $title;
}
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