<?phpclass A{ public $name; public $age; public function getASelf() { $this->name; var_dump($this); }}?> 实例化Class A，调用getASelf()
或者
实例化后即
$a = new A();
var_dump($a);
原来对象是这玩意object(A)#1 (2) { ["name"]=> NULL ["age"]=> NULL }
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