php workman怎样处理异常-乐工具技术知识

Workerman是一个高性能的PHP Socket服务器框架，用于构建高并发应用。在Workerman中处理异常主要涉及到两个方面：捕获异常和记录日志。

捕获异常：

在Workerman中，你可以使用try-catch语句来捕获异常。当在处理客户端请求时发生异常，你可以捕获异常并进行相应的处理。例如：

use Workerman\Worker;
use Workerman\Exception\ServerException;

$worker = new Worker('tcp://0.0.0.0:8080');
$worker->count = 4;

$worker->onConnect = function ($connection) {
    echo "New connection: " . $connection->id . PHP_EOL;
};

$worker->onMessage = function ($connection, $data) {
    try {
        // 处理客户端请求的逻辑
        $response = "Server received: " . $data;
    } catch (ServerException $e) {
        // 捕获异常
        $response = "Error: " . $e->getMessage();
    }
    $connection->send($response);
};

$worker->onClose = function ($connection) {
    echo "Connection closed: " . $connection->id . PHP_EOL;
};

Worker::runAll();

记录日志：

在捕获异常后，你可能希望将异常信息记录到日志文件中，以便于分析和调试。你可以使用PHP的内置函数error_log()来记录日志。例如：

use Workerman\Worker;
use Workerman\Exception\ServerException;

$worker = new Worker('tcp://0.0.0.0:8080');
$worker->count = 4;

$worker->onConnect = function ($connection) {
    echo "New connection: " . $connection->id . PHP_EOL;
};

$worker->onMessage = function ($connection, $data) {
    try {
        // 处理客户端请求的逻辑
        $response = "Server received: " . $data;
    } catch (ServerException $e) {
        // 捕获异常
        $error_message = "Error: " . $e->getMessage();
        // 记录日志
        error_log($error_message, 3, '/path/to/your/logfile.log');
        $response = "Error: " . $error_message;
    }
    $connection->send($response);
};

$worker->onClose = function ($connection) {
    echo "Connection closed: " . $connection->id . PHP_EOL;
};

Worker::runAll();

在这个示例中，当捕获到ServerException异常时，我们将异常信息记录到了指定的日志文件中。你可以根据需要调整日志级别和日志文件路径。