一、推薦方法 CURL獲取

<?php
$c = curl_init();
$url = 'www.jb51.NET';
curl_setopt($c, CURLOPT_URL, $url);
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
$data = curl_exec($c);
curl_close($c);
$pos = strpos($data,'utf-8');
if($pos===false){$data = iconv("gbk","utf-8",$data);}
preg_match("/<title>(.*)<//title>/i",$data, $title);
echo $title[1];
?>

二、使用file()函數(shù)

<?php
$lines_array = file('http://www.jb51.NET/');
$lines_string = implode('', $lines_array);
$pos = strpos($lines_string,'utf-8');
if($pos===false){$lines_string = iconv("gbk","utf-8",$lines_string);}
eregi("<title>(.*)</title>", $lines_string, $title);
echo $title[1];
?>

三、使用file_get_contents

<?php
$content=file_get_contents("http://www.jb51.NET/");
$pos = strpos($content,'utf-8');
if($pos===false){$content = iconv("gbk","utf-8",$content);}
$postb=strpos($content,'<title>')+7;
$poste=strpos($content,'</title>');
$length=$poste-$postb;
echo substr($content,$postb,$length);
?>

php技術(shù)：PHP獲取網(wǎng)頁標(biāo)題的3種實(shí)現(xiàn)方法代碼實(shí)例，轉(zhuǎn)載需保留來源！

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