Your requirements could not be resolved to an installable set of packages. Problem 1 - vimeo/psalm[4.29.0, ..., 4.30.0] require sebastian/diff ^3.0 || ^4.0 -> satisfiable by sebastian/diff[3.0.0, 3.0.1, 3.0.2, 3.0.3, 4.0.0, ..., 4.0.4]. - You can only install one version of a package, so only one of these can be installed: sebastian/diff[3.0.0, 3.0.1, 3.0.2, 3.0.3, 4.0.0, ..., 4.0.4, 5.0.0]. - phpunit/phpunit[10.0.0, ..., 10.0.16] require sebastian/diff ^5.0 -> satisfiable by sebastian/diff[5.0.0]. - sebastian/diff[3.0.0, ..., 3.0.2] require php ^7.1 -> your php version (8.2.0) does not satisfy that requirement. - sebastian/diff[4.0.0, ..., 4.0.1] require php ^7.3 -> your php version (8.2.0) does not satisfy that requirement. - Root composer.json requires phpunit/phpunit ^10.0.0 -> satisfiable by phpunit/phpunit[10.0.0, ..., 10.0.16]. - Root composer.json requires vimeo/psalm ^4.29 -> satisfiable by vimeo/psalm[4.29.0, 4.30.0]. 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 - vimeo/psalm[4.29.0, ..., 4.30.0] require sebastian/diff ^3.0 || ^4.0 -> satisfiable by sebastian/diff[3.0.0, 3.0.1, 3.0.2, 3.0.3, 4.0.0, ..., 4.0.4]. - You can only install one version of a package, so only one of these can be installed: sebastian/diff[3.0.0, 3.0.1, 3.0.2, 3.0.3, 4.0.0, ..., 4.0.4, 5.0.0]. - phpunit/phpunit[10.0.0, ..., 10.0.16] require sebastian/diff ^5.0 -> satisfiable by sebastian/diff[5.0.0]. - sebastian/diff[3.0.0, ..., 3.0.2] require php ^7.1 -> your php version (8.2.0) does not satisfy that requirement. - sebastian/diff[4.0.0, ..., 4.0.1] require php ^7.3 -> your php version (8.2.0) does not satisfy that requirement. - Root composer.json requires phpunit/phpunit ^10.0.0 -> satisfiable by phpunit/phpunit[10.0.0, ..., 10.0.16]. - Root composer.json requires vimeo/psalm ^4.29 -> satisfiable by vimeo/psalm[4.29.0, 4.30.0]. 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 - vimeo/psalm[4.29.0, ..., 4.30.0] require sebastian/diff ^3.0 || ^4.0 -> satisfiable by sebastian/diff[3.0.0, 3.0.1, 3.0.2, 3.0.3, 4.0.0, ..., 4.0.4]. - You can only install one version of a package, so only one of these can be installed: sebastian/diff[3.0.0, 3.0.1, 3.0.2, 3.0.3, 4.0.0, ..., 4.0.4, 5.0.0]. - phpunit/phpunit[10.0.0, ..., 10.0.16] require sebastian/diff ^5.0 -> satisfiable by sebastian/diff[5.0.0]. - sebastian/diff[3.0.0, ..., 3.0.2] require php ^7.1 -> your php version (8.1.13) does not satisfy that requirement. - sebastian/diff[4.0.0, ..., 4.0.1] require php ^7.3 -> your php version (8.1.13) does not satisfy that requirement. - Root composer.json requires phpunit/phpunit ^10.0.0 -> satisfiable by phpunit/phpunit[10.0.0, ..., 10.0.16]. - Root composer.json requires vimeo/psalm ^4.29 -> satisfiable by vimeo/psalm[4.29.0, 4.30.0]. 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 - Root composer.json requires phpunit/phpunit ^10.0.0 -> satisfiable by phpunit/phpunit[10.0.0, ..., 10.0.16]. - phpunit/phpunit[10.0.0, ..., 10.0.16] require php >=8.1 -> your php version (8.0.26) does not satisfy that requirement. 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 - Root composer.json requires phpunit/phpunit ^10.0.0 -> satisfiable by phpunit/phpunit[10.0.0, ..., 10.0.16]. - phpunit/phpunit[10.0.0, ..., 10.0.16] require php >=8.1 -> your php version (8.0.26) does not satisfy that requirement. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.