class person { var $name; var $sex; var $age; function setName($name) { $this->name = $name; } function getName() { return $this->name; } function say() { echo "my nane is:" . $this->name . "sex is:" . $this->sex . "age is:" . $this->age . "<br>"; } function run() { echo $this->name . "this person on stree"; } function __destruct() { echo "goodbye" . $this->name . "<br>"; } } $p1 = new person(); $p2 = new person("猪", "woman", 30); $p1->setName("猪"); // $p3 = new person ( "sunfolwer", "man", 25 ); $p1->say();