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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                有時候,部分對象需要被初始化多次。而特別是在如果初始化需要耗費大量時間與資源的時候進行預初始化并且存儲下這些對象,就會用到原型模式: <?php /** * * 原型接口 * */ interface Prototype { public function copy(); } /** * 具體實現 * */ class ConcretePrototype implements Prototype{ private $_name; public function __construct($name) { $this->_name = $name; } public function copy() { return clone $this;} } class Test {} // client $object1 = new ConcretePrototype(new Test()); var_dump($object1);//輸出:object(ConcretePrototype)#1 (1) { ["_name":"ConcretePrototype":private]=> object(Test)#2 (0) { } } $object2 = $object1->copy(); var_dump($object2);//輸出:object(ConcretePrototype)#3 (1) { ["_name":"ConcretePrototype":private]=> object(Test)#2 (0) { } } ?>
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