为什么我name输不出来，求指教，跪谢

<?php
date_default_timezone_get('PRC');
/**
* Created by PhpStorm.
* User: Administrator
* Date: 2015/8/16
* Time: 15:55
*/
class Human{
   public $name;
   public $height;
   public $weight;

   public function ect($food){
      echo $this->name."'s eating".$food;
   }
}
class NbaPlayer extends Human{
   public $team="bull";
   public $playerNumber="23";

   function __construct($name,$height,$weight,$team,$playerNumber){
       echo "构造函数调用成功";
   }
}
$jordan=new NbaPlayer("jordan","198cm","98kg","bull","23");
echo $jordan->name."\n";
$jordan->ect("Apple");