php7.4 notice Unparenthesized `a ? b : c ? d : e` is deprecated

[haohetao]

NOTICE: PHP message: PHP Deprecated: Unparenthesized a ? b : c ? d : e is deprecated. Use either (a ? b : c) ? d : e or a ? b : (c ? d : e) in /var/www/epmms2-award/vendor/kartik-v/yii2-grid/src/ColumnTrait.php on line 290

Prerequisites

• [ ] I have searched for similar issues in both open and closed tickets and cannot find a duplicate.
• [ ] The issue still exists against the latest master branch of yii2-grid.
• [ ] This is not an usage question. I confirm having gone through and read the documentation and demos.
• [ ] This is not a general programming / coding question. (Those should be directed to the webtips Q & A forum).
• [ ] I have attempted to find the simplest possible steps to reproduce the issue.
• [ ] I have included a failing test as a pull request (Optional).

Steps to reproduce the issue

1. 2. 3.

Expected behavior and actual behavior

When I follow those steps, I see...

I was expecting...

Environment

Browsers

• [ ] Google Chrome
• [ ] Mozilla Firefox
• [ ] Internet Explorer
• [ ] Safari

Operating System

• [ ] Windows
• [ ] Mac OS X
• [ ] Linux
• [ ] Mobile

Libraries

• jQuery version:
• yii2-grid version:

Isolating the problem

• [ ] This bug happens on the demos page
• [ ] The bug happens consistently across all tested browsers
• [ ] This bug happens when using yii2-grid without other plugins.

[kartik-v]

Resolved via #938