spatie / simple-tcp-client
Connect and send data through a TCP connection
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spatie
Requires
- php: ^8.4
- ext-sockets: *
Requires (Dev)
- laravel/pint: ^1.0
- pestphp/pest: ^3.0
- spatie/ray: ^1.28
This package is auto-updated.
Last update: 2025-07-02 23:22:41 UTC
README
This package provides a simple and elegant way to create TCP connections, send data, and receive responses. Perfect for interacting with TCP servers, testing network services, or building simple network clients.
use Spatie\SimpleTcpClient\TcpClient; $client = new TcpClient(host: 'smtp.gmail.com', port: 587); $client->connect(); $greeting = $client->receive(); echo $greeting; // 220 smtp.gmail.com ESMTP... $client->send("EHLO test.local\r\n"); $response = $client->receive(); echo $response; // 250-smtp.gmail.com capabilities... $client->close();
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Installation
You can install the package via composer:
composer require spatie/simple-tcp-client
Usage
Here's how you can connect to TCP service:
use Spatie\SimpleTcpClient\TcpClient; $client = new TcpClient(host: 'example.com', port: 80); $client->connect();
Sending and Receiving Data
You can use send
and receive
methods to send and receive data.
$client->send("Hello, server!"); $response = $client->receive(); // Read response from server echo $response;
By default, we'll read 8192 bytes of data. You can optionally specify the maximum number of bytes to read:
$response = $client->receive(1024);
HTTP Requests over TCP
Here's a full example where we use all methods.
$client = new TcpClient('httpbin.org', 80); $client->connect(); $request = "GET /get HTTP/1.1\r\n"; $request .= "Host: httpbin.org\r\n"; $request .= "Connection: close\r\n\r\n"; $client->send($request); $response = $client->receive(); echo $response; $client->close();
Testing SMTP Connections
Here's how you could connect and communicate with an SMTP server.
$client = new TcpClient('smtp.gmail.com', 587, 15); $client->connect(); // Read the greeting $greeting = $client->receive(); echo $greeting; // 220 smtp.gmail.com ESMTP... // Send EHLO command $client->send("EHLO test.local\r\n"); $response = $client->receive(); echo $response; // 250-smtp.gmail.com capabilities... $client->close();
Port Scanning
In this example, we are going to check if port 53 is open or closed.
use Spatie\SimpleTcpClient\TcpClient; use Spatie\SimpleTcpClient\Exceptions\CouldNotConnect; try { $client = new TcpClient(host: '8.8.8.8', port: 53, timeout: 5); $client->connect(); echo "Port 53 is open!"; $client->close(); } catch (CouldNotConnect $exception) { echo "Port 53 is closed or filtered"; }
Handling timeouts
The client supports connection timeouts to prevent hanging:
use Spatie\SimpleTcpClient\TcpClient; use Spatie\SimpleTcpClient\Exceptions\ConnectionTimeout; $client = new TcpClient(host: 'slow-server.com', port: 80, timeout: 5); // 5 second timeout try { $client->connect(); } catch (ConnectionTimeout $exception) { echo "Server took too long to respond: " . $exception->getMessage(); }
Testing
composer test
Changelog
Please see CHANGELOG for more information on what has changed recently.
Contributing
Please see CONTRIBUTING for details.
Security Vulnerabilities
Please review our security policy on how to report security vulnerabilities.
Credits
License
The MIT License (MIT). Please see License File for more information.