排名检查2

排名检查2
多线程
<?php
ini_set('max_execution_time', '0');
if (!ini_get('safe_mode')) {
    set_time_limit(0);
}
header('Content-type: text/html; charset=utf-8');

function search($keyword, $web_url, $ip = '113.102.128.247') {
    $res = '<tr><td>' . $keyword . '</td><td>';
    $urls = array();
    for ($p = 1; $p <= 10; $p++) {
        $pm = ($p - 1) * 10;
        $rsState = false;
        $enKeyword = urlencode($keyword);
        $firstRow = ($p - 1) * 10;
        array_push($urls, 'https://www.baidu.com/s?ie=utf-8&wd=' . $enKeyword . '&pn=' . $firstRow);
    }
    $pm = multiCurl($keyword, $web_url, $urls, $ip);
    if (empty($pm))
        $pm = '0'; //10页之后排名
    $res = $res . $pm . '</td></tr>';
    return $res;
}

function singleCurl($url, $ip) {
    $dir = pathinfo($url); //以数组的形式返回路径的信息
    $host = $dir['dirname']; //路径
    $ref = $host . '/';
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
    curl_setopt($curl, CURLOPT_URL, $url); // 要访问的地址    
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); // 对认证证书来源的检查
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false); // 从证书中检查SSL加密算法是否存在
    curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']); // 模拟用户使用的浏览器
    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); // 使用自动跳转
    curl_setopt($curl, CURLOPT_HTTPHEADER, array('X-FORWARDED-FOR:' . $ip, 'CLIENT-IP:' . $ip)); //IP 
    if ($ref) {
        curl_setopt($curl, CURLOPT_REFERER, $ref); //带来的Referer
    } else {
        curl_setopt($curl, CURLOPT_AUTOREFERER, 1); // 自动设置Referer
    }
    curl_setopt($curl, CURLOPT_HTTPGET, 1); // 发送一个常规的Post请求
    curl_setopt($curl, CURLOPT_TIMEOUT, 30); // 设置超时限制防止死循环
    curl_setopt($curl, CURLOPT_HEADER, 0); // 显示返回的Header区域内容
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // 获取的信息以文件流的形式返回
    return $curl;
}

function multiCurl($keyword, $web_url, $urls, $ip) {
    $pm = '';
    $mh = curl_multi_init();
    foreach ($urls as $i => $url) {
        $conn[$i] = singleCurl($url, $ip);
        curl_multi_add_handle($mh, $conn[$i]);
    }
    do {
        curl_multi_exec($mh, $active);
    } while ($active);

    foreach ($urls as $i => $url) {
        $data[$i] = curl_multi_getcontent($conn[$i]);
        $preg = '/<div\s+class=\"f13\"><a\s+target=\"_blank\"\s+href=\"[^>]+\">[\s\S]*?<\/a><\/div>/i';
        preg_match_all($preg, $data[$i], $rs);
        foreach ($rs[0] as $k => $v) {
            if (strstr($v, $web_url)) {
                $pm .='<a target="_blank" href="' . $url . '">' . (($i * 10) + $k + 1) . '</a>,';
                break 2; //作用:当有数据时,跳出上一层foreach循环,只输出第一个排名,注释这里可以输出前10页的所有排名
            }
        }
    }
    foreach ($urls as $i => $url) {
        curl_multi_remove_handle($mh, $conn[$i]);
        curl_close($conn[$i]);
    }
    curl_multi_close($mh);
    $pm = substr($pm, 0, -1);
    return $pm;
}

function getClientIp() {
    if (!empty($_SERVER['HTTP_CLIENT_IP']))
        $ip = $_SERVER['HTTP_CLIENT_IP'];
    else if (!empty($_SERVER['HTTP_X_FORWARDED_FOR']))
        $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
    else if (!empty($_SERVER['REMOTE_ADDR']))
        $ip = $_SERVER['REMOTE_ADDR'];
    else
        $ip = 'err';
    return $ip;
}

if (isset($_REQUEST['submit'])) {
    $time = explode(' ', microtime());
    $start = $time[0] + $time[1];
    $url = $_REQUEST['url'];
    $ip = getClientIp();
    $res = '';
    $keywords = explode("\r\n", trim($_REQUEST['keyword']));
    foreach ($keywords as $k => $v) {
        if (!empty($v) && $v != ' ' && $v != NULL)
            $res .= search($v, $url, $ip);
    }
    $endtime = explode(' ', microtime());
    $end = $endtime[0] + $endtime[1];
    echo '<table border="1" cellspacing="0"><tr><td>关键词</td><td>排名</td></tr>';
    echo $res;
    echo '</table><hr>程序运行时间: ' . ($end - $start);
    die();
}
?>
<!DOCTYPE>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title>百度关键词排名查询</title>
    </head>
    <body>
        <form action="" method="post">
            <ul style="list-style:none;">
                <li>
                    <span style="vertical-align: top;">关键字：</span><textarea name="keyword" rows="20" cols="40" wrap="hard"></textarea>
                </li>
                <li>
                    <span>url地址：</span><input type="text" name="url" size="40">
                </li>
                <li>
                    <input type="submit" name="submit" value="搜索">
                </li>
            </ul>
        </form>
    </body>
</html>