disable server commands without Process component

Author: xabbuh

Command/ServerCommand.php

@@ -27,6 +27,10 @@ public function isEnabled()
             return false;
         }
 
+        if (!class_exists('Symfony\Component\Process\Process')) {
+            return false;
+        }
+
         return parent::isEnabled();
     }
 

Command/ServerRunCommand.php

@@ -25,18 +25,6 @@
  */
 class ServerRunCommand extends ServerCommand
 {
-    /**
-     * {@inheritdoc}
-     */
-    public function isEnabled()
-    {
-        if (PHP_VERSION_ID < 50400 || defined('HHVM_VERSION')) {
-            return false;
-        }
-
-        return parent::isEnabled();
-    }
-
     /**
      * {@inheritdoc}
      */