Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires http-interop/http-factory-guzzle ^1.2 -> satisfiable by http-interop/http-factory-guzzle[1.2.0]. - http-interop/http-factory-guzzle 1.2.0 requires php >=7.3 -> your php version (7.1.33) does not satisfy that requirement. Problem 2 - lmc/coding-standard[3.0.0, ..., 3.3.1] require php ^7.3 || ^8.0 -> your php version (7.1.33) does not satisfy that requirement. - Root composer.json requires lmc/coding-standard ^3.0.0 -> satisfiable by lmc/coding-standard[3.0.0, ..., 3.3.1].

PHP 7.1 --prefer-lowest (unit tests)

Process completed with exit code 2.

PHP 7.1 (unit tests)

Process completed with exit code 2.

PHP 7.2 (unit tests)

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires http-interop/http-factory-guzzle ^1.2 -> satisfiable by http-interop/http-factory-guzzle[1.2.0]. - http-interop/http-factory-guzzle 1.2.0 requires php >=7.3 -> your php version (7.2.34) does not satisfy that requirement. Problem 2 - lmc/coding-standard[3.0.0, ..., 3.3.1] require php ^7.3 || ^8.0 -> your php version (7.2.34) does not satisfy that requirement. - Root composer.json requires lmc/coding-standard ^3.0.0 -> satisfiable by lmc/coding-standard[3.0.0, ..., 3.3.1].

PHP 7.2 (unit tests)

The operation was canceled.

PHP 7.3 (unit tests)

The operation was canceled.

PHP 7.4 (unit tests)

The operation was canceled.

PHP 8.0 --ignore-platform-req=php (unit tests)

The operation was canceled.

Code style and static analysis

Process completed with exit code 1.

Markdown link check

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/