Add server for context

Author: iluuu1994

server.php

@@ -0,0 +1,49 @@
+<?php
+
+$host = '0.0.0.0';
+$port = 1234;
+$outputFile = __DIR__ . '/received_data.txt';
+
+$serverSocket = stream_socket_server("tcp://$host:$port", $errno, $errstr);
+if (!$serverSocket) {
+    die("Error: $errstr ($errno)\n");
+}
+stream_set_blocking($serverSocket, false); // Non-blocking server socket
+
+$clients = [];
+
+echo "Server listening on $host:$port...\n";
+
+while (true) {
+    $readSockets = [$serverSocket];
+    $readSockets = array_merge($readSockets, $clients);
+
+    $write = $except = null;
+    // Wait for activity on any socket
+    if (stream_select($readSockets, $write, $except, 0, 200000)) {
+        foreach ($readSockets as $socket) {
+            if ($socket === $serverSocket) {
+                // Accept new connection
+                $newClient = stream_socket_accept($serverSocket, 0);
+                if ($newClient) {
+                    stream_set_blocking($newClient, false); // Non-blocking client
+                    $clients[] = $newClient;
+                    echo "New connection accepted\n";
+                }
+            } else {
+                // Read from an existing client
+                $data = fread($socket, 1024);
+                if ($data === '' || $data === false) {
+                    echo "Client disconnected\n";
+                    fclose($socket);
+                    $clients = array_filter($clients, fn($c) => $c !== $socket);
+                } else {
+                    file_put_contents($outputFile, $data, FILE_APPEND);
+                }
+            }
+        }
+    }
+
+    // Small delay to prevent high CPU usage
+    usleep(10000);
+}