<?php

$a=array(

        array("cn"=>"首页","en"=>"Home"),

array("cn"=>"关于我们","en"=>"Aboutus"),

array("cn"=>"新闻中心","en"=>"News","sub"=>

array(array("cn"=>"公司新闻","en"=>"Company"),

     array("cn"=>"通知","en"=>"Notice"),),),

array("cn"=>"产品列表","en"=>"Product","sub"=>

array(array("cn"=>"鞋子","en"=>"Shoot"),

     array("cn"=>"衣服","en"=>"Cost"),),),

   array("cn"=>"联系我们","en"=>"Contactus"),

);

怎么样全部输出