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[PHP] curl用法 →→→→→进入此内容的聊天室

来自 , 2020-01-10, 写在 PHP, 查看 105 次.
URL http://www.code666.cn/view/bd135462
  1. <?php
  2. function curl_fetch($url, $timeout=3){
  3.     $ch = curl_init();
  4.     curl_setopt($ch, CURLOPT_URL, $url);
  5.     curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
  6.     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  7.     $data = curl_exec($ch);
  8.     $errno = curl_errno($ch);
  9.     if ($errno>0) {
  10.         $data = false;
  11.     }
  12.     curl_close($ch);
  13.     return $data;
  14. }
  15. function microtime_float()
  16. {
  17.    list($usec, $sec) = explode(" ", microtime());
  18.    return ((float)$usec + (float)$sec);
  19. }
  20. $url_arr=array(
  21.      "taobao"=>"http://www.taobao.com",
  22.      "sohu"=>"http://www.sohu.com",
  23.      "sina"=>"http://www.sina.com.cn",
  24.      );
  25.  $time_start = microtime_float();
  26.  $data=array();
  27.  foreach ($url_arr as $key=>$val)
  28.  {
  29.      $data[$key]=curl_fetch($val);
  30.  }
  31.  $time_end = microtime_float();
  32.  $time = $time_end - $time_start;
  33.  echo "耗时:{$time}";
  34. ?>

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