abstract：<?php
class Animal
{
public function cat()
{
return "貓貓";
}
}
class Beast
{
public function dog()
{
return &
<?php
class Animal
{
public function cat()
{
return "貓貓";
}
}
class Beast
{
public function dog()
{
return "狗狗";
}
}
class Factory
{
public static function create($className)
{
switch (strtolower($className)) {
case 'animal':
return new Animal();
break;
case 'beast':
return new Beast();
break;
}
}
}
class People
{
public function woman()
{
$animal = Factory::create('animal');
return "她喜歡".$animal->cat();
}
public function man()
{
$beast = Factory::create('beast');
return '他喜歡'.$beast->dog();
}
}
$people = new People;
echo $people->woman();
echo "<br>";
echo $people->man();
?>
