PHP并发请求测试

concurrency.php

<?php


// 循环次数
$batch = 10;

// 请求地址
$url = 'http://example.com/';

// 请求头
$headers = [
    'Content-Type: application/json',
    'Authorization: Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.xxx.rV1UkHJYHe9XXYUXB2kTONVRWpkXOJ6l-tQZkmm_qac'
];

// 请求方法
$method = 'GET';

$mh = curl_multi_init();
$handlers = [];
for ($i =0; $i < $batch; $i++) {
    $ch = curl_init();
    curl_setopt_array($ch, [
        CURLOPT_URL => $url,
        CURLOPT_HTTPHEADER => $headers,
        CURLOPT_CUSTOMREQUEST => $method,
        CURLOPT_HEADER => 0,
        CURLOPT_RETURNTRANSFER => true,
    ]);
    $handlers[$i] = $ch;
}

for ($i =0; $i < $batch; $i++) {
    curl_multi_add_handle($mh, $handlers[$i]);
}

do {
    $status = curl_multi_exec($mh, $active);
    if ($active) {
        curl_multi_select($mh);
    }
} while ($active && $status == CURLM_OK);

foreach ($handlers as $i => $ch) {
    $content = curl_multi_getcontent($ch);
    curl_multi_remove_handle($mh, $ch);

    $cnt = $i+1;
    echo "第{$cnt}个请求的结果：\n" . $content . "\n\n";
}

curl_multi_close($mh);