PHP异步协程开发：加速数据备份与恢复的速度

<?php

use SwooleCoroutine;
use SwooleCoroutineMySQL;

$sourceDbConfig = [
    'host' => '127.0.0.1',
    'port' => 3306,
    'user' => 'root',
    'password' => 'password',
    'database' => 'source_db',
];

$targetDbConfig = [
    'host' => '127.0.0.1',
    'port' => 3306,
    'user' => 'root',
    'password' => 'password',
    'database' => 'target_db',
];

function backupData($sourceDbConfig, $targetDbConfig)
{
    $sourceDb = new MySQL();
    $targetDb = new MySQL();

    // 连接源数据库
    $sourceDb->connect($sourceDbConfig);

    // 连接目标数据库
    $targetDb->connect($targetDbConfig);

    // 查询源数据库中的数据
    $data = $sourceDb->query('SELECT * FROM users');

    // 并发插入数据到目标数据库
    Coroutine::create(function () use ($targetDb, $data) {
        foreach ($data as $row) {
            Coroutine::create(function () use ($targetDb, $row) {
                $targetDb->insert('users', $row);
            });
        }
    });

    $sourceDb->close();
    $targetDb->close();
}

backupData($sourceDbConfig, $targetDbConfig);