Remove _execCommand property

Author: hAbd0u

src/Command.php

@@ -97,11 +97,6 @@ class Command
      */
     protected $_args = array();
 
-    /**
-     * @var string the full command string to execute
-     */
-    protected $_execCommand;
-
     /**
      * @var string the stdout output
      */
@@ -239,9 +234,7 @@ public function getExecCommand()
         }
 
         $args = $this->getArgs();
-        $this->_execCommand = $args ? $command.' '.$args : $command;
-        
-        return $this->_execCommand;
+        return $args ? $command.' '.$args : $command;
     }
 
     /**