What are the limitations of PHP in handling TCP connections and server status?

PHP has limitations in handling TCP connections and server status due to its single-threaded nature and lack of built-in support for asynchronous operations. To overcome this limitation, you can use external libraries or extensions like ReactPHP or Swoole to enable asynchronous networking in PHP. 

// Example using ReactPHP library to handle TCP connections asynchronously
require 'vendor/autoload.php';

$loop = React\EventLoop\Factory::create();

$socket = new React\Socket\Server('127.0.0.1:8000', $loop);
$socket->on('connection', function ($conn) {
    $conn->write("Hello, client!\n");
    $conn->pipe($conn);
});

echo "Server running at http://127.0.0.1:8000\n";

$loop->run();

Keywords

TCP connections server status limitations PHP handling

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