laravel migration failed story

migration failed and I got an error, so share the solution. What I wanted to do was add a users table. So I ran the following command.

php artisan make:migration create_users_table
 // Create users table

Error details Apparently, it's an undefined constant.

 ErrorException 
  Use of undefined constant JSON_INVALID_UTF8_SUBSTITUTE - assumed 'JSON_INVALID_UTF8_SUBSTITUTE'

When I searched on the net, it was a problem with the PHP version. It's an error that appears only in PHP 7.2 or later When I checked the version, it was PHP 7.1.

In the first place, I migrated outside the docker container. So, into the docker container

PHP version was 7.4

And migration passed safely! !!

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