public function testCopy()
{
$str = 'prototype';
$object1 = new ConcretePrototype($str);
$this->assertEquals($str, $object1->getName());
$object2 = $object1->copy();
$this->assertEquals($str, $object2->getName());
}
public static function main()
{
$demo = new Demo();
$demo->array = array(1, 2);
$obj1 = new ConcretePrototype($demo);
$obj2 = $obj1->copy();
var_dump($obj1->getName());
var_dump($obj2->getName());
$demo->array = array(3, 4);
var_dump($obj1->getName());
var_dump($obj2->getName());
var_dump($obj1 == $obj2);
}
abstract class Prototype
{
private $_id = null;
public function __construct($id)
{
$this->_id = $id;
}
public function getId()
{
return $this->_id;
}
public function __clone()
{
//magic function
$this->_id += 1;
}
public function getClone()
{
return clone $this;
}
}
class ConcretePrototype extends Prototype
{
}
$objPrototype = new ConcretePrototype(0);
$objPrototype1 = clone $objPrototype;
echo $objPrototype1->getId() . "\n";
$objPrototype2 = $objPrototype;
echo $objPrototype2->getId() . "\n";
$objPrototype3 = $objPrototype->getClone();
echo $objPrototype3->getId() . "\n";
<?php
interface Prototype
{
public function copy();
}
class ConcretePrototype implements Prototype
{
private $_name;
public function __construct($name)
{
$this->_name = $name;
}
public function copy()
{
return clone $this;
}
}
class Demo
{
}
// client
$demo = new Demo();
$object1 = new ConcretePrototype($demo);
$object2 = $object1->copy();