php curl_init function usage example

//Initialize a curl object
$curl = curl_init();
//Set the URL you need to crawl
curl_setopt($curl, curlopt_url, 'http://bbs.it -home.org');
//Set header
curl_setopt($curl, curlopt_header, 1);
//Set curl parameters to ask whether the results are saved in a string or output to the screen.
curl_setopt($curl, curlopt_returntransfer, 1);
//Run curl and request the webpage
$data = curl_exec($curl);
//Close url request
curl_close($curl);
//Display the obtained data
 var_dump($data);
?>

Example 2: post data sendsms.php, which can accept two form fields, one is the phone number and the other is the text message content. post data

$phonenumber　='13812345678';
$message　='thisMessagewasgeneratedbycurlandphp';
$curlpost='pnumber='.urlencode($phonenumber).'&message ='.urlencode($message).'&submit=send';
$ch = curl_init();
curl_setopt($ch, curlopt_url, 'http://www.lxvoip.com/sendsms.php');
curl_setopt ($ch, curlopt_header, 1);
curl_setopt ($ch, curlopt_returntransfer, 1);
curl_setopt ($ch, curlopt_post, 1);
curl_setopt ($ch, curlopt_postfields, $curlpost); ;
curl_close($ch);
?>

Example 3: Using a proxy server Use a proxy server

$ch = curl_init();
curl_setopt($ch, curlopt_url, 'http://bbs.it-home.org');
curl_setopt($ch, curlopt_header, 1 );
curl_setopt($ch, curlopt_returntransfer, 1);
curl_setopt($ch, curlopt_httpproxytunnel, 1); d ,'user:password');
$data　= curl_exec();
curl_close($ch);
?>


Copy code

!extension_loaded('curl') && die('the curl extension is not loaded.');

$discuz_url = 'http://www.lxvoip.com';//Forum address $login_url = $discuz_url .'/logging.php?action=login';//Login page address $get_url = $discuz_url .'/my.php?item=threads'; //My posts

$post_fields = array(); //The following two items do not need to be modified $post_fields['loginfield'] = 'username'; $post_fields['loginsubmit'] = 'true'; //Username and password must be filled in $post_fields['username'] = 'lxvoip'; $post_fields['password'] = '88888888'; //Security Question $post_fields['questionid'] = 0; $post_fields['answer'] = ''; //@todo verification code $post_fields['seccoverify'] = '';

//Get form formhash $ch = curl_init($login_url); curl_setopt($ch, curlopt_header, 0); curl_setopt($ch, curlopt_returntransfer, 1); $contents = curl_exec($ch); curl_close($ch); preg_match('/

/i', $contents, $matches); if(!empty($matches)) { $formhash = $matches[1]; } else { die('not found the forumhash.'); }

//Post data, get cookies $cookie_file = dirname(__file__) . '/cookie.txt'; //$cookie_file = tempnam('/tmp'); $ch = curl_init($login_url); curl_setopt($ch, curlopt_header, 0); curl_setopt($ch, curlopt_returntransfer, 1); curl_setopt($ch, curlopt_post, 1); curl_setopt($ch, curlopt_postfields, $post_fields); curl_setopt($ch, curlopt_cookiejar, $cookie_file); curl_exec($ch); curl_close($ch);

//Use the cookie obtained above to obtain the page content that needs to be logged in to view $ch = curl_init($get_url); curl_setopt($ch, curlopt_header, 0); curl_setopt($ch, curlopt_returntransfer, 0); curl_setopt($ch, curlopt_cookiefile, $cookie_file); $contents = curl_exec($ch); curl_close($ch);

var_dump($contents);