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php中new self()详解

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Release: 2016-06-13 09:00:42
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php中new self()详解

php  new self() 这种用法很少见,也基本搜索不到关于这种用法的详细资料。本文现在就简单的做一些备注,日后慢慢更新。

php  new self() 一般在类内部使用,作用是对自身类实例化,下面给个实例讲解如何使用:

<?php class phpernote{
	public function __construct(){
		echo 'php程序员的笔记!';
	}
	public static function getInstance(){
		new self();
	}
}
 
phpernote::getInstance();
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返回结果:

php程序员的笔记!

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