![[PHP] small example to show dynamic type change_PHP教程](http://www.phpwebsoft.com/static/v10/images/article-6.jpg)
[PHP] small example to show dynamic type change_PHP教程
when you declare one variable, the initial type is null, but the type can be changed by assign statement. 复制 global $...
when you declare one variable, the initial type is null, but the type can be changed by assign statement. 复制 global $...