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I want to setup docker with PHP 7.1 version
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Okay, do you also have a question or you just wanted to let us know what you are going to do? 
You can start here: https://hub.docker.com/_/php
Not 7.4 version PHP
I want to setup docker with PHP 7.1 version
I’m Facing this actual Fatal Error : Cannot use ‘Object’ as class name as it is reserved in /var/www/html/app/vendor/yiisoft/yii2/base/Object.php on line 77
In a composer.json file “require”: { “php”: “>=5.4.0” }
R&D for resolve this issue Object, yii\base\Object | API Documentation for Yii 2.0 | Yii PHP Framework should i try these
The response of @rimelek is still correct. It seems you just don’t know how to find a tag for php 7.1.
The “Tags” tab of the repository allows applying a filter. Just set it to “7.1” and pick a tag you feel comfortable with.
WARNING: all the 7.1 images are outdated and have vulnerabilities (including critical and high ones), as the php version itself reached end of life on Dec 1st 2019.
I know how to filter tags but don’t know how to create docker file and image
can you please take remote access of my system
This is a community forum, where questions are asked from the community and answered by the community. We volunteer to help people help themselves. No one can free you from the initial step of learning how to use your tools.
Everything you need to know about how to write a Dockerfile and build an image can be found here: https://docs.docker.com/engine/reference/builder
Let us know if you hit a specific problem or have an unclarity about a specific topic. The more precise you question is, the more likely it is to get answered.
