php克隆对象另存

php class Person { public $name; public $age; public function __clone() { $this->name = 'Clone of ' . $this->name; } } $person1 = new Person(); $person1->name = 'Alice'; $person1->age = 30; $person2 = clone $person1; echo $person1->name; // Output: Alice echo $person2->name; // Output: Clone of Alice