added port var

Author: mkusher

Procfile

@@ -1 +1 @@
-web: php bin/server.php --no-io
+web: php bin/server.php --no-io --port=$PORT

bin/server.php

@@ -8,11 +8,18 @@
 require "vendor/autoload.php";
 
 $noFsIO = false;
+$port = 15155;
 
 foreach($argv AS $arg){
     if($arg === '--no-io'){
         $noFsIO = true;
     }
+    elseif(strpos($arg, '=') !== false){
+        list($name, $value) = explode('=', $arg);
+        if($name === '--port'){
+            $port = $value;
+        }
+    }
 }
 
 $app = new App($noFsIO);