使用Curl获取远程页面源如何根据它的数量只回显代码的一行 [英] Using Curl to get remote page source how to echo only one line of the code based on its number

问题描述

我正在得到远程页面的源代码远程页面的url动态地从用户点击URL根据数组 array（'event_id'，'tv_id'，' tid'，'channel'）：我使用下面的代码来获取谁的页面源代码和它的工作原理。

I am working n getting the source code of remote page the url of that remote page it got dynamically from the url the user click according to the arrays array('event_id', 'tv_id', 'tid', 'channel') : i use the code below to get the who;e page source and it works great.

<?php
$keys = array('event_id', 'tv_id', 'tid', 'channel'); // order does matter
$newurl = 'http://lsh.streamhunter.eu/static/popups/';
foreach ($keys as $key)
    $newurl.= empty($_REQUEST[$key])?0:$_REQUEST[$key];

$newurl.='.html';
    function get_data($newurl) 
    { 
       $ch = curl_init();
       $timeout = 5;
       //$userAgent = "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US)AppleWebKit/525.13 (KHTML, like Gecko) Chrome/0.X.Y.Z Safari/525.13.";
       $userAgent = "IE 7 – Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30)";
      curl_setopt($ch, CURLOPT_USERAGENT, $userAgent);
      curl_setopt($ch, CURLOPT_FAILONERROR, true);
      curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
      curl_setopt($ch, CURLOPT_AUTOREFERER, true);
      curl_setopt($ch, CURLOPT_TIMEOUT, 10);
      curl_setopt($ch,CURLOPT_URL,$newurl);
      curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
      curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,$timeout);
      $data = curl_exec($ch);
      curl_close($ch);
      return $data;

    }

    $html = get_data($newurl);

    echo $html

?>

这里的诀窍是我只想回显代码的第59行

the trick here is that i want to echo only line no 59 of the code how to do so?

推荐答案

在您的代码中，使用 file_get_contents get_data 函数，因此我从示例中删除了它。

In your code you are using file_get_contents instead of the get_data function so I removed it from the example.

<?php
    $keys = array('event_id', 'tv_id', 'tid', 'channel'); // order does matter
    $newurl = 'http://lsh.streamhunter.eu/static/popups/';
    foreach ($keys as $key)
        $newurl.= empty($_REQUEST[$key])?0:$_REQUEST[$key];

    $newurl.='.html';


    $html = file_get_contents($newurl);
    $html = explode("\n",$html);
    echo $html[58];

?>

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