Your requirements could not be resolved to an installable set of packages. Problem 1 - phpunit/phpunit[9.5.26, ..., 9.6.12] require php >=7.3 -> your php version (7.2.34) does not satisfy that requirement. - fidry/php-cs-fixer-config[1.0.0, ..., 1.1.1] require php ^7.4 || ^8.0 -> your php version (7.2.34) does not satisfy that requirement. - Root composer.json requires fidry/php-cs-fixer-config ^1.0 -> satisfiable by fidry/php-cs-fixer-config[1.0.0, ..., 1.1.2]. - fidry/php-cs-fixer-config 1.1.2 conflicts with phpunit/phpunit 8.5.33. - Root composer.json requires phpunit/phpunit ^8.5.31 || ^9.5.26 -> satisfiable by phpunit/phpunit[8.5.31, 8.5.32, 8.5.33, 9.5.26, ..., 9.6.12].

Process completed with exit code 2.