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21 years ago
The following snippet allows you to retrieve the title of a page.

Great for rewriting auto-url detectors to display the actual title rather then http://...

<?php
echo get_url_title("http://www.php.net/cal.php?id=409");

function get_url_title($url, $timeout = 2)
{
    $url = parse_url($url);

    if(!in_array($url['scheme'],array('','http')))
        return;

    $fp = fsockopen ($url['host'], ($url['port'] > 0 ? $url['port'] : 80), $errno, $errstr, $timeout);
    if (!$fp)
    {
        return;
        // echo "$errstr ($errno)<br>\n";
    }
    else
    {
        fputs ($fp, "GET /".$url['path'].($url['query'] ? '?'.$url['query'] : '')." HTTP/1.0\r\nHost: ".$url['host']."\r\n\r\n");
        $d = '';
        while (!feof($fp))
        {
            $d .= fgets ($fp,2048);

            if(preg_match('~(</head>|<body>|(<title>\s*(.*?)\s*</title>))~i', $d, $m))
                break;
        }
        fclose ($fp);

        return $m[3];
    }
}
?>
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