Let's talk about what {$smarty.const.__SELF__} means in the TP framework

The followingthinkphp frameworkThe tutorial column will introduce to you what {$smarty.const.__SELF__} means. I hope it will be helpful to friends in need!

Problem description:

What is the {$smarty.const.__SELF__} in thinkphp? What does it mean? I only found THINK.const.__SELF

## Analysis and answer:

smarty is a PHP template engine;

The $smarty.const mentioned above is a syntax used to directly access PHP constants.

Reference:

https://www.smarty.net/docs/zh_CN/language.variables.smarty.tpl

{$smarty.const.__SELF__}The connection is in this template engine, directly accessing the php constants you define__SELF__

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