PHP_curl模拟高并发请求

1、新建classic_curl.php
$connomains = array(
'http://localhost/demo/client_1.php',
'http://localhost/demo/client_2.php',
'http://localhost/demo/client_1.php',
'http://localhost/demo/client_2.php',
);
$mh = curl_multi_init();
foreach ($connomains as $i => $url) {
     $conn[$i]=curl_init($url);
      curl_setopt($conn[$i],CURLOPT_RETURNTRANSFER,1);
      curl_multi_add_handle ($mh,$conn[$i]);
}
do { $n=curl_multi_exec($mh,$active); } while ($active);
foreach ($connomains as $i => $url) {
      $res[$i]=curl_multi_getcontent($conn[$i]);
      curl_close($conn[$i]);
}
print_r($res);

2、新建对应的client_1.php
file_put_contents("client_1.txt", "client_1 execute");
echo 'client_1 execute';


3、新建对应的client_2.php
file_put_contents("client_2.txt", "client_2 execute");
echo 'client_2 execute';

 

4、浏览器运行对应的classic_curl.php，会在目录上创建client_1.txt和client_2.txt，执行并发成功

 

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