<"hidden"\s*name="formhash"\s*value="(.*"\s*\/>/i', $contents, $matches); 
if(!empty($matches)) { 
$formhash = $matches[1]; 
} else { 
die('Not found the forumhash.'); 
} 
 
//POST数据，获取COOKIE,cookie文件放在网站的temp目录下 
$cookie_file = tempnam('./temp','cookie'); 
$ch = curl_init($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); 
//取到了关键的cookie文件就可以带着cookie文件去模拟发帖,fid为论坛的栏目ID 
$send_url = $discuz_url."post.php"; 
 
$ch = curl_init($send_url); 
curl_setopt($ch, CURLOPT_HEADER, 0); 
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file); 
$contents = curl_exec($ch); 
curl_close($ch); 
//这里的hash码和登陆窗口的hash码的正则不太一样，这里的hidden多了一个id属性 
preg_match('/<input\s*type="hidden"\s*name="formhash"\s*id="formhash"\s*value="(.*"\s*\/>/i', $contents, $matches); 
if(!empty($matches)) { 
$formhash = $matches[1]; 
} else { 
die('Not found the forumhash.'); 
} 
 
$post_data = array(); 
//帖子标题 
$post_data['subject'] = 'test2'; 
//帖子内容 
$post_data['message'] = 'test2'; 
$post_data['topicsubmit'] = "yes"; 
$post_data['extra'] = ''; 
//帖子标签 
$post_data['tags'] = 'test'; 
//帖子的hash码，这个非常关键！假如缺少这个hash码，discuz会警告你来路的页面不正确 
$post_data['formhash']=$formhash; 
 
$ch = curl_init($send_url); 
curl_setopt($ch, CURLOPT_REFERER, $send_url); //伪装REFERER 
curl_setopt($ch, CURLOPT_HEADER, 0); 
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 0); 
curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file); 
curl_setopt($ch, CURLOPT_POST, 1); 
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data); 
$contents = curl_exec($ch); 
curl_close($ch); 
//清理cookie文件 
unlink($cookie_file); 
?>