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Learn how composer update updates the reduced version? This problem may be often seen in our daily study or work. I hope you can gain a lot from this article. Here is the reference content brought by the editor. Let's take a look at it!

1. Originally wanted to upgrade to 5.0.23, update directly to 5.1.31 in the root directory feels that the version is a little high, want to reduce to 5.0.23 solution is as follows:

Go to the root directory vim and open the composer.json file

"require": {"php": "> = 5.4.0", "topthink/framework": "^ 5.0", "topthink/think-captcha": "^ 1.0", "topthink/think-image": "^ 1.0", "topthink/think-helper": "^ 1.0", "ezyang/htmlpurifier": "^ 4.9"}

Mainly look at this code. If you want to update to the desired version, you only need to modify topthink/framework

Explanation: the ^ before "^ 5.0" will directly detect the latest version update.

Modify method 1: "topthink/framework": "5.0.*" remove the preceding ^ followed by *, indicating that it is updated to 5.0. The latest version of

Modification method 2: "topthink/framework": "5.0.23" specified version, which means to update to version 5.0.23

Running result:

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