php模拟登录qq空间，用的curl，帮忙看下哪里错了

<?php$qqname='';//这里填写帐号$qqpassword='';//这里填写密码if(!file_exists('./temp')){	mkdir('./temp');	}$cookie_file    =    tempnam('./temp','cookie');$login_url        =    'http://ptlogin2.qq.com/login';$post_fields    =    'u='.$qqname.'&m='.$qqpassword.'&css=http://imgcache.qq.com/ptcss/b2/qzone/15000101/style.css&mibao_css=m_qzone&aid=15000101&u1=http://imgcache.qq.com/qzone/v5/loginsucc.html?para=izone&ptredirect=1&h=1&from_ui=1&dumy=';$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($ch);$url='http://imgcache.qq.com/qzone/v5/loginsucc.html?para=izone';$ch = curl_init($url);curl_setopt($ch, CURLOPT_HEADER, 0);curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file);curl_exec($ch);//preg_match("/<li>  (.*)<\/li>/",$contents,$arr);curl_close($ch);$url='http://user.qzone.qq.com/'.$qqname;$ch = curl_init($url);curl_setopt($ch, CURLOPT_HEADER, 0);curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file);$contents = curl_exec($ch);//preg_match("/<li>  (.*)<\/li>/",$contents,$arr);echo $contents;curl_close($ch);?>