<?php

header("Content-type: text/html; charset=utf-8");

class SportObject

{

public $name;

public $age;

public $weight;

public $sex;

function __construct($name,$age,$weight,$sex)

{

$this->name=$name;

$this->age=$age;

? ? ? ? $this->weight=$weight;

$this->sex=$sex;

}

public function showme(){

echo '這個應該不顯示';

}

}

class basketball extends SportObject

{

function __construct($name,$height)

{

$this->name=$name;

$this->height=$height;

}

}

? function showme(){

if ($this->height>=175) {

return $this->name.",符合打籃球";

} else{

return $this->name.",不符合";

}

}

class weightlift extends SportObject

{

function showme(){

if ($this->weight<85) {

return $this->name.",符合舉重";

} else {

return $this->name.",不符合";

}

}

}

$ming = new basketball('小明','160');

echo $ming->showme();

$fang = new weightlift('小方','10','100','男');

echo $fang->showme();

?>