A thinkphp template constant problem.

In the manual, by default, template replacement only replaces the special string of the template file, and does not replace the output content in dynamic data. But I printed the php-weizijiaocheng-335038.html template constant in the PHP file. why? I am not very familiar with this principle .. In the {code...} Manual, by default, the template replacement replaces only the special strings in the template file, and does not replace the output content in dynamic data.

But I print/php-weizijiaocheng-335038.html in php file this template constant actually can, why? I am not very familiar with this principle ..

Reply content:

In the manual, by default, template replacement only replaces the special string of the template file, and does not replace the output content in dynamic data.

But I print/php-weizijiaocheng-335038.html in php file this template constant actually can, why? I am not very familiar with this principle ..

In this way, you can print it. What does it mean?

Here _ self _ is used as a magic constant. You try to print _ public _.

TP does not seem to block the _ self _ magic constant. you can print it.

PHP variables are like two types. one is $, and the other is not $. The value is declared through defined ('_ PHP_FILE _', 'AAA, these two variables are similar.