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File: demo3.php

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  Classes of Grigori Kochanov  >  gCurl  >  demo3.php  >  Download  
File: demo3.php
Role: Example script
Content type: text/plain
Description: Basic browser emulation
Class: gCurl
Perform HTTP requests using Curl
Author: By
Last change: Accessible without user login
Date: 7 years ago
Size: 2,148 bytes
 

Contents

Class file image Download
<pre>
<?php
/**
 * Basic browser emulation: sending custom headers, processing cookies and redirects, sending referrer
 */

//set local timezone
date_default_timezone_set('UTC');

//Include library
require_once('gCurl/gcurl.class.php');

//init variables
$url = 'google.com';
$max_redirects = 20;
$i=0;
//some request headers
$request_headers = array(
   
'User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11',
   
'Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5',
   
'Accept-Language: en-us,en;q=0.5',
   
'Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7',
);
$cookies = array();

try{
   
//initialize the class
   
$curl = new gCurl($url);
   
   
//emulate Firefox
   
$curl->Request->registerCustomHeadersArray($request_headers);
   
    do {
       
$response = $curl->exec();
       
//check for the redirect
       
if ($new_url = $response->getHeaderByName('location')){
            echo
'redirect to ',$new_url,"<br>\r\n";
           
           
//process cookies (skip domain, path and secure parameters for simplicity)
           
foreach ($response->cookies as $c){
                if (isset(
$c['expires_ts']) && $c['expires_ts']>time()){
                   
$cookies[$c['name']] = $c['value'];
                }else{
                    unset(
$cookies[$c['name']]);
                }
            }
           
$curl->redirect($new_url);
           
$curl->Request->registerCustomHeadersArray($request_headers);
            foreach (
$cookies as $cookie_name=>$cookie_value){
               
$curl->Request->addCookieVar($cookie_name,$cookie_value);
            }

           
//set referrer with a direct curl_setopt call
           
curl_setopt($curl->ch,CURLOPT_REFERER,$url);
           
           
$url = $new_url;
            ++
$i;
        }else{
            break;
        }
    }while (
$i<$max_redirects);
}catch (
gksException $E){
    echo
$E->getHtmlMessage();
    exit;
}

//show the content received
echo htmlspecialchars($response);