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php curl用法

发布时间:2022-07-28 09:36:26 所属栏目:PHP教程 来源:互联网
导读:在php使用curl时必须先在php.ini中开启extension=php_curl.dll前面的;去了才行,curl是php中一款内置的浏览器,它可以模仿用户浏览信息进行网站浏览,等下面来看一实例,代码如下: function postpage($url) { $response = ; $rd=rand(1,4); $proxy=http://221.21
  在php使用curl时必须先在php.ini中开启extension=php_curl.dll前面的;去了才行,curl是php中一款内置的浏览器,它可以模仿用户浏览信息进行网站浏览,等下面来看一实例,代码如下:
 
  function postpage($url)  
  {  
  $response = "";  
  $rd=rand(1,4);  
  $proxy='http://221.214.27.253:808';  
  if($rd==2) $proxy='http://222.77.14.56:8088';  
  if($rd==3) $proxy='http://202.98.123.126:8080';  
  if($rd==4) $proxy='http://60.14.97.38:8080';  
  if($url != "") {  
  $ch = curl_init($url);  
  curl_setopt($ch, curlopt_header, 0);  
  curl_setopt($ch, curlopt_returntransfer, true);  
  curl_setopt($ch, curlopt_proxy, $proxy);  
  $response = curl_exec($ch);  
  if(curl_errno($ch)) $response = "";  
  curl_close($ch);  
  }  
  return $response;  
  }
  curl包括部份函数,如下所示:
 
  curl_close — close a curl session
  curl_copy_handle — copy a curl handle along with all of its preferences
  curl_errno — return the last error number
  curl_error — return a string containing the last error for the current session
  curl_exec — perform a curl session
  curl_getinfo — get information regarding a specific transfer
  curl_init — initialize a curl session
  curl_multi_add_handle — add a normal curl handle to a curl multi handle
  curl_multi_close — close a set of curl handles
  curl_multi_exec — run the sub-connections of the current curl handle
  curl_multi_getcontent — return the content of a curl handle if curlopt_returntransfer is set
  curl_multi_info_read — get information about the current transfers
  curl_multi_init — returns a new curl multi handle
  curl_multi_remove_handle — remove a multi handle from a set of curl handles
  curl_multi_select — wait for activity on any curl_multi connection
  curl_setopt_array — set multiple options for a curl transfer
  curl_setopt — set an option for a curl transfer
  curl_version — gets curl version information 

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