In php multi-language settings, can I store multiple languages in the database or directly save them as an array file?

In php multi-language settings, whether to store an entry into the database or store this array in a unified lang. php file, which one is better? In php multi-language settings, whether to store an entry into the database or store this array in a unified lang. php file, which one is better?

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In php multi-language settings, whether to store an entry into the database or store this array in a unified lang. php file, which one is better?

Database + Cache

Read the database directly in the development mode, and manage and delete the database in the production mode cache + background.

File format. Putting data in the database seriously affects the database load.

Determine the language based on the IP address or user selection.
For example, if a Chinese user accesses a login. php page, the language array/locale/zh_CN/login. php of the page is loaded by default:

/Locale/zh_CN/login. php
  'Login', 'username' => 'account', 'Password' => 'Password');/locale/en_US/login. php
  'Login', 'username' => 'username', 'Password' => 'Password');/Login. php
  

Appendix: Install GeoIP extension in PHP. Obtain information such as the visitor's country, city, and latitude and longitude Based on the IP address.