Your requirements could not be resolved to an installable set of packages. Problem 1 - phpunit/phpunit[dev-main, 11.3.5] require php >=8.2 -> your php version (8.1.29) does not satisfy that requirement. - phpunit/phpunit 11.4.x-dev is an alias of phpunit/phpunit dev-main and thus requires it to be installed too. - Root composer.json requires phpunit/phpunit ^11.3.5 -> satisfiable by phpunit/phpunit[11.3.5, 11.3.x-dev, 11.4.x-dev (alias of dev-main)]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.

Your requirements could not be resolved to an installable set of packages. Problem 1 - phpunit/phpunit 11.4.x-dev is an alias of phpunit/phpunit dev-main and thus requires it to be installed too. - phpunit/phpunit[dev-main, 11.3.5] require phpunit/php-code-coverage ^11.0.6 -> satisfiable by phpunit/php-code-coverage[11.0.6, 11.0.x-dev]. - phpunit/php-code-coverage[11.0.6, ..., 11.0.x-dev] require nikic/php-parser ^5.1.0 -> found nikic/php-parser[v5.1.0, v5.2.0] but it conflicts with your root composer.json require (^4.17.1). - Root composer.json requires phpunit/phpunit ^11.3.5 -> satisfiable by phpunit/phpunit[11.3.5, 11.3.x-dev, 11.4.x-dev (alias of dev-main)]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.

Your requirements could not be resolved to an installable set of packages. Problem 1 - phpunit/phpunit[11.3.5, ..., 11.4.x-dev] require phpunit/php-code-coverage ^11.0.6 -> satisfiable by phpunit/php-code-coverage[11.0.6, 11.0.x-dev]. - phpunit/php-code-coverage[11.0.6, ..., 11.0.x-dev] require nikic/php-parser ^5.1.0 -> found nikic/php-parser[v5.1.0, v5.2.0] but it conflicts with your root composer.json require (^4.17.1). - Root composer.json requires phpunit/phpunit ^11.3.5 -> satisfiable by phpunit/phpunit[11.3.5, 11.3.x-dev, 11.4.x-dev]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.

Your requirements could not be resolved to an installable set of packages. Problem 1 - phpunit/phpunit[11.3.5, ..., 11.4.x-dev] require phpunit/php-code-coverage ^11.0.6 -> satisfiable by phpunit/php-code-coverage[11.0.6, 11.0.x-dev]. - phpunit/php-code-coverage[11.0.6, ..., 11.0.x-dev] require nikic/php-parser ^5.1.0 -> found nikic/php-parser[v5.1.0, v5.2.0] but it conflicts with your root composer.json require (^4.17.1). - Root composer.json requires phpunit/phpunit ^11.3.5 -> satisfiable by phpunit/phpunit[11.3.5, 11.3.x-dev, 11.4.x-dev]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.

Your requirements could not be resolved to an installable set of packages. Problem 1 - phpunit/phpunit 11.4.x-dev is an alias of phpunit/phpunit dev-main and thus requires it to be installed too. - phpunit/phpunit[dev-main, 11.3.5] require phpunit/php-code-coverage ^11.0.6 -> satisfiable by phpunit/php-code-coverage[11.0.6, 11.0.x-dev]. - phpunit/php-code-coverage[11.0.6, ..., 11.0.x-dev] require nikic/php-parser ^5.1.0 -> found nikic/php-parser[v5.1.0, v5.2.0] but it conflicts with your root composer.json require (^4.17.1). - Root composer.json requires phpunit/phpunit ^11.3.5 -> satisfiable by phpunit/phpunit[11.3.5, 11.3.x-dev, 11.4.x-dev (alias of dev-main)]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.