php里，用globa关键字定义的全局变量作用域问题 - V2EX

php里，用globa关键字定义的全局变量作用域问题 - V2EX

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这是一个创建于 4318 天前的主题，其中的信息可能已经有所发展或是发生改变。

用header跳转后这个全局变量还会存在么

4 条回复 1970-01-01 08:00:00 +08:00

1

explon

2014-02-11 14:54:58 +08:00

不存在，不推荐使用全局变量，不清晰，难以管理。

2

workaholic

2014-02-11 14:59:32 +08:00

只在当前页面有效

3

haiyang416

2014-02-11 15:41:33 +08:00

只对当前请求有效，在使用 header('location:web.com'); 后是向新链接重新发起的请求，所以之前的变量是无效的。

4

Nintendov

OP

2014-02-11 21:27:43 +08:00

谢谢楼上回复！

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