php 带cookies curl模拟请求

<?php
function curl_request($url,$post='',$cookie='', $returnCookie=0,$ua='Mozilla/5.0 (compatible; sosospider/2.0; +http://www.soso.com/search/spider.html)',$referer='http://soso.com/'){
  //curl模拟请求
  //参数1：访问的URL，参数2：post数据(不填则为GET)，参数3：提交的$cookies,参数4：是否返回$cookies，参数5：自定义UA，参数6：自定义来路
  $curl = curl_init();
  curl_setopt($curl, CURLOPT_URL, $url);
  curl_setopt($curl, CURLOPT_USERAGENT, $ua);
  curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
  curl_setopt($curl, CURLOPT_AUTOREFERER, 1);
  curl_setopt($curl, CURLOPT_REFERER, $referer);
  if($post) {
    curl_setopt($curl, CURLOPT_POST, 1);
    curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($post));
  }
  if($cookie) {
    curl_setopt($curl, CURLOPT_COOKIE, $cookie);
  }
  curl_setopt($curl, CURLOPT_HEADER, $returnCookie);
  curl_setopt($curl, CURLOPT_TIMEOUT, 10);
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
  $data = curl_exec($curl);
  if (curl_errno($curl)) {
    return curl_error($curl);
  }
  curl_close($curl);
  if($returnCookie){
    list($header, $body) = explode("\r\n\r\n", $data, 2);
    preg_match_all("/Set\-Cookie:([^;]*);/", $header, $matches);
    $info['cookie']  = substr($matches[1][0], 1);
    $info['content'] = $body;
    return $info;
  }else{
    return $data;
  }
}
?>

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