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Homephp教程php手册PHP利用curl判断远程文件是否存在的方法

PHP利用curl判断远程文件是否存在的方法

Jun 13, 2016 am 09:33 AM
curlphpjudgmentuseexistdocumentmethodRemotely

   PHP利用curl判断远程文件是否存在,请看下边的代码:

  //判断远程文件

  function check_remote_file_exists($url)

  {

  $curl = curl_init($url);

  // 不取回数据

  curl_setopt($curl, CURLOPT_NOBODY, true);

  // 发送请求

  $result = curl_exec($curl);

  $found = false;

  // 如果请求没有发送失败

  if ($result !== false) {

  // 再检查http响应码是否为200

  $statusCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);

  if ($statusCode == 200) {

  $found = true;

  }

  }

  curl_close($curl);

  return $found;

  }

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