我从我的客户那里得到了一个订单，要用php curl来刮一个网站。 我完成了工作，脚本在我的本地主机上运行良好。 但当我把它交给我的客户时，脚本并不能在他的本地主机上运行。

<?php

ini_set('display_errors', 'On');
error_reporting(E_ALL);

print "Cascading https://www.autotrader.ca/cars/on/toronto/?rcp=15&rcs=0&prx=100&prv=Ontario&loc=toronto%2C%20on&hprc=True&wcp=True&sts=New-Used&inMarket=basicSearch&mdl=Accent&make=Hyundai&scrladid=11543266:<p>";

$array = [];
$array[] = "/a/hyundai/accent/oshawa/ontario/19_11543266_/?showcpo=ShowCpo&amp;ncse=no&amp;orup=1_15_340&amp;sprx=100";
$array[] = "/a/hyundai/accent/cambridge/ontario/5_48590586_20200220145456261/?showcpo=ShowCpo&amp;ncse=no&amp;orup=2_15_340&amp;sprx=100";
$array[] = "/a/hyundai/accent/mississauga/ontario/19_11536424_/?showcpo=ShowCpo&amp;ncse=no&amp;orup=3_15_340&amp;sprx=100";

foreach ($array as $key=>$value)
{
    $scrape = "https://www.autotrader.ca".$array[$key];
    print "Scraping $scrape<p>";
    echo "<br>";

    $user_agent = 'Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Mobile Safari/537.36';

    $headers = [
        'accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
        'accept-encoding: gzip, deflate, br',
        'accept-language: en-US,en;q=0.9',
        'cache-control: max-age=0',
        'sec-fetch-dest: document',
        'sec-fetch-mode: navigate',
        'sec-fetch-site: none',
        'sec-fetch-user: ?1',
        'upgrade-insecure-requests: 1',
        'user-agent: Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Mobile Safari/537.36',
    ];
    
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $scrape);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
    curl_setopt($ch, CURLOPT_TIMEOUT, 100);
    curl_setopt($ch, CURLOPT_ENCODING, 1);
    curl_setopt($ch, CURLOPT_USERAGENT, $user_agent);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
    curl_setopt($ch, CURLOPT_VERBOSE, true);
    // curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Length: 0'));
    curl_setopt($ch, CURLOPT_COOKIEJAR, dirname(__FILE__) . '/cookie.txt');
    curl_setopt($ch, CURLOPT_COOKIEFILE, dirname(__FILE__) . '/cookie.txt');

    $contents = curl_exec($ch);
    
    if ($contents === FALSE){
        echo "Error : ".curl_error($ch);
        echo "<br>";
        print "contents returned for $key = FALSE<br>";
    }

    curl_close($ch);
    
    // echo $contents;

    $start_pos = strpos($contents, "<title>", 0);
    $end_pos = strpos($contents, "</title>", 0);
    $title = substr($contents, $start_pos+7, $end_pos-$start_pos);
    
    print "Listing $key: $title<p>";
    echo "<br>";
    echo "<br>";
}

他还说，他在没有使用curl而是使用任何其他方法之前正在刮取网站，他认为他们已经将他的请求限制在他们的服务器上，但请注意，他仍然可以在浏览器中访问网站。 我检查了如果他用curl中的谷歌url替换url，他能够得到正确的响应。