perfomance test + fix composer require

Test.php

@@ -10,7 +10,16 @@ public function __construct($config) {
     }
 
     public function start() {
-        for ($i=0, $j=0; $i<=1500; $i++) {
+        for ($i=0; $i < $this->config['workers']-1; $i++) {
+            $pid = pcntl_fork();//создаём форк
+            if ($pid == -1) {
+                die("error: pcntl_fork\r\n");
+            } elseif (!$pid) {//воркер
+                break;
+            }
+        }
+
+        for ($i=0, $j=0; $i<=$this->config['clients']; $i++) {
             $client = @stream_socket_client($this->config['websocket'], $errorNumber, $errorString, 1);
 
             if ($client) {
@@ -22,6 +31,7 @@ public function start() {
                 $i--;
                 $j++;
                 if ($j && $j % 100 == 0) echo "success: $i, failure: $j\r\n";
+                if ($j == $this->config['clients']) break;
             }
         }
 
@@ -48,7 +58,21 @@ public function start() {
                         fwrite($this->clients[rand(0, 1000)], $data);
                     }*/
                 }
+            } else {
+                break;
             }
         }
     }
+}
+
+if (!empty($argv[1]) && $argv[1] == 'start' && !empty($argv[2]) &&
+    !empty($argv[3]) && $argv[3] >= 1 && $argv[3] <= 1000 &&
+    !empty($argv[4]) && $argv[4] >= 1 && $argv[4] <= 1000
+) {
+    $config = [
+        'websocket' => $argv[2],
+        'clients' => intval($argv[3]),
+        'workers' => intval($argv[4]),
+    ];
+    (new Test($config))->start();
 }

composer.json

@@ -3,9 +3,10 @@
     "description": "simple php websocket server with examples and demo: simple chat (single daemon) - http://sharoid.ru/chat.html , pro chat (master + worker) - http://sharoid.ru/chat2.html , simple game - http://sharoid.ru/game.html",
     "keywords": ["websocket", "server", "examle", "demo", "chat", "game", "socket_select", "event", "libevent", "yii", "laravel"],
     "require": {
-        "php": ">=5.3.0"
+        "php": ">=5.3.0",
+        "ext-mbstring": "*"
     },
-    "version": "4.1.0",
+    "version": "4.2.0",
     "license": "MIT",
     "homepage": "http://sharoid.ru/game.html",
     "authors": [