PHP 爬虫处理

<?php
$url = "http://mi.techweb.com.cn/";

$header = array('User-Agent: Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko)
     Chrome/33.0.1750.146 Safari/537.36');
//$headerArray =array("Content-type:application/json;","Accept:application/json");
//开启curl
 $ch = curl_init();
//配饰
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch,CURLOPT_HTTPHEADER,$header);

// 执行
    $output = curl_exec($ch);

//    var_dump($output);


//    $reg = '/<a href="(.*)">(.*)<\/a>/U';
    $reg = '/<div class="(.*)">(.*)<\/div>/U';
    $arr = preg_match_all($reg,$output,$data);
    print_r($data);


//    curl_close($ch);