Three ways to check the current version number of thinkphp

The following tutorial column of thinkphp will introduce you to three methods of checking the current version number of thinkphp. I hope it will be helpful to friends in need!

There are two ways to check the current thinkphp version, the first one I commonly use

( Version 5.0 and below)

TP defines a constant (THINK_VERSION),
is used to store the version number of the current system. If you need to check, you can print it directly
var_dump(THINK_VERSION );
## The second type (version 5.1)

php think version
The third type (5.1 version)

var_dump(App::version());

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