Fatal error: Composer detected issues in your platform: Your Composer dependencies require a PHP version ">= 7.2.5". You are running 7.1.19. in /var/www/vendor/composer/platform_check.php on line 24 code example
Example: Composer detected issues in your platform: Your Composer dependencies require a PHP version ">= 7.3.0".
composer install --ignore-platform-reqs