CS: Work in progress.

.editorconfig

@@ -1,15 +1,9 @@
-# This file is for unifying the coding style for different editors and IDEs
-# editorconfig.org
-
-# PHP PSR-2 Coding Standards
-# http://www.php-fig.org/psr/psr-2/
-
 root = true
 
-[*.php]
-charset = utf-8
+[*]
 end_of_line = lf
-insert_final_newline = true
-trim_trailing_whitespace = true
+charset = utf-8
+max_line_length = 80
 indent_style = space
 indent_size = 4
+insert_final_newline = true

.gitattributes

@@ -0,0 +1,10 @@
+/spec export-ignore
+.editorconfig export-ignore
+.gitattributes export-ignore
+.gitignore export-ignore
+.scrutinizer.yml export-ignore
+.travis.yml export-ignore
+phpunit.xml.dist export-ignore
+infection.json.dist export-ignore
+grumphp.yml.dist export-ignore
+phpspec.yml.dist export-ignore

.github/settings.yml

@@ -0,0 +1,49 @@
+# https://github.com/probot/settings
+
+branches:
+    - name: master
+      protection:
+          enforce_admins: false
+          required_pull_request_reviews:
+              dismiss_stale_reviews: true
+              require_code_owner_reviews: true
+              required_approving_review_count: 1
+          required_status_checks:
+              contexts:
+                  -  "Grumphp"
+              strict: false
+          restrictions: null
+
+labels:
+    - name: bug
+      color: ee0701
+
+    - name: dependencies
+      color: 0366d6
+
+    - name: enhancement
+      color: 0e8a16
+
+    - name: question
+      color: cc317c
+
+    - name: security
+      color: ee0701
+
+    - name: stale
+      color: eeeeee
+
+repository:
+    allow_merge_commit: true
+    allow_rebase_merge: false
+    allow_squash_merge: false
+    default_branch: master
+    description: "Generators and iterators, permutations and combinations."
+    topics: math,numbers,permutations,combinations,iterators,fibonacci,prime numbers,product
+    has_downloads: true
+    has_issues: true
+    has_pages: false
+    has_projects: false
+    has_wiki: false
+    name: phptree
+    private: false

.github/workflows/continuous-integration.yml

@@ -0,0 +1,44 @@
+# https://help.github.com/en/categories/automating-your-workflow-with-github-actions
+
+on:
+  - pull_request
+  - push
+
+name: "Continuous Integration"
+
+jobs:
+  grumphp:
+    name: "Grumphp"
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        php-binary:
+          - php7.1
+          - php7.2
+          - php7.3
+
+    steps:
+      - name: "Checkout"
+        uses: actions/checkout@master
+        with:
+            fetch-depth: 1
+
+      - name: "Composer install"
+        run: ${{ matrix.php-binary }} $(which composer) install --no-interaction --no-progress --no-suggest
+
+      - name: "Composer install lowest dependencies"
+        if: matrix.dependencies == 'lowest'
+        run: ${{ matrix.php-binary }} $(which composer) update --no-interaction --no-progress --no-suggest --prefer-lowest
+
+      - name: "Install Graphviz"
+        run: sudo apt-get install graphviz
+
+      - name: "Run Grumphp"
+        run: ${{ matrix.php-binary }} vendor/bin/grumphp run
+        env:
+            STRYKER_DASHBOARD_API_KEY: ${{ secrets.STRYKER_DASHBOARD_API_KEY }}
+
+      - name: "Scrutinizer"
+        run: wget https://scrutinizer-ci.com/ocular.phar && php ocular.phar code-coverage:upload --format=php-clover build/logs/clover.xml

.gitignore

@@ -1,63 +1,8 @@
-# Created by .ignore support plugin (hsz.mobi)
-### Composer template
-composer.phar
-/vendor/
-
-# Commit your application's lock file https://getcomposer.org/doc/01-basic-usage.md#commit-your-composer-lock-file-to-version-control
-# You may choose to ignore a library lock file http://getcomposer.org/doc/02-libraries.md#lock-file
-# composer.lock
-### JetBrains template
-# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
-# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
-
-# User-specific stuff:
-.idea/**/workspace.xml
-.idea/**/tasks.xml
-.idea/dictionaries
-
-# Sensitive or high-churn files:
-.idea/**/dataSources/
-.idea/**/dataSources.ids
-.idea/**/dataSources.xml
-.idea/**/dataSources.local.xml
-.idea/**/sqlDataSources.xml
-.idea/**/dynamic.xml
-.idea/**/uiDesigner.xml
-
-# Gradle:
-.idea/**/gradle.xml
-.idea/**/libraries
-
-# CMake
-cmake-build-debug/
-
-# Mongo Explorer plugin:
-.idea/**/mongoSettings.xml
-
-## File-based project format:
-*.iws
-
-## Plugin-specific files:
-
-# IntelliJ
-out/
-
-# mpeltonen/sbt-idea plugin
-.idea_modules/
-
-# JIRA plugin
-atlassian-ide-plugin.xml
-
-# Cursive Clojure plugin
-.idea/replstate.xml
-
-# Crashlytics plugin (for Android Studio and IntelliJ)
-com_crashlytics_export_strings.xml
-crashlytics.properties
-crashlytics-build.properties
-fabric.properties
-
-/.php_cs.cache
 /composer.lock
+/vendor
+/build
+/.php_cs.cache
+/example/
+/.idea/
 /test.php
-/build/
+/phpspec.yml

.scrutinizer.yml

@@ -1,4 +1,9 @@
-build: false
+build:
+    nodes:
+        analysis:
+            tests:
+                override:
+                    - php-scrutinizer-run
 
 filter:
     paths:
@@ -7,3 +12,7 @@ filter:
 tools:
     external_code_coverage:
         timeout: 600
+    php_loc: true
+    php_pdepend: true
+    php_sim: true
+    php_changetracking: true

README.md

@@ -1,7 +1,7 @@
 [![Latest Stable Version](https://img.shields.io/packagist/v/drupol/phpermutations.svg?style=flat-square)](https://packagist.org/packages/drupol/phpermutations)
  [![GitHub stars](https://img.shields.io/github/stars/drupol/phpermutations.svg?style=flat-square)](https://packagist.org/packages/drupol/phpermutations)
  [![Total Downloads](https://img.shields.io/packagist/dt/drupol/phpermutations.svg?style=flat-square)](https://packagist.org/packages/drupol/phpermutations)
- [![Build Status](https://img.shields.io/travis/drupol/phpermutations/master.svg?style=flat-square)](https://travis-ci.org/drupol/phpermutations)
+ [![GitHub Workflow Status](https://img.shields.io/github/workflow/status/drupol/phpermutations/Continuous%20Integration?style=flat-square)](https://github.com/drupol/phpermutations/actions)
  [![Build Status](https://img.shields.io/appveyor/ci/drupol/phpermutations.svg?style=flat-square)](https://ci.appveyor.com/project/drupol/phpermutations)
  [![Scrutinizer code quality](https://img.shields.io/scrutinizer/quality/g/drupol/phpermutations/master.svg?style=flat-square)](https://scrutinizer-ci.com/g/drupol/phpermutations/?branch=master)
  [![Code Coverage](https://img.shields.io/scrutinizer/coverage/g/drupol/phpermutations/master.svg?style=flat-square)](https://scrutinizer-ci.com/g/drupol/phpermutations/?branch=master)
@@ -44,7 +44,7 @@ objects), the library will still continue to work without any trouble.
 
 ## Requirements
 
-* PHP >= 5.6,
+* PHP >= 7.1.3,
 
 ## How to use
 
@@ -166,7 +166,7 @@ of each combinations having a length of 3 of that array.
 
 Each Generators and Iterators are tested using the same values as input. I try to be as much complete as possible with
 the [tests](https://github.com/drupol/phpermutations/tree/master/tests/fixtures).
-Every time the sources are modified, [Travis](https://travis-ci.org/drupol/phpermutations), the continuous integration
+Every time the sources are modified, [Github](https://github.com/drupol/phpermutations/actions), the continuous integration
 service, tests the code against those tests, this way you are aware if the changes that you are introducing are valid.
 
 # Contributing

composer.json

@@ -1,39 +1,49 @@
 {
     "name": "drupol/phpermutations",
-    "description": "Generators and iterators, permutations and combinations.",
     "type": "library",
+    "description": "Generators and iterators, permutations and combinations.",
+    "keywords": [
+        "math",
+        "numbers",
+        "permutations",
+        "combinations",
+        "iterators",
+        "fibonacci",
+        "prime numbers",
+        "product"
+    ],
     "homepage": "https://github.com/drupol/phpermutations",
-    "keywords": ["math", "numbers", "permutations", "combinations", "iterators", "fibonacci", "prime numbers", "product"],
     "license": "GPL-3.0-only",
-    "support": {
-        "issues": "https://github.com/drupol/phpermutations/issues",
-        "source": "https://github.com/drupol/phpermutations"
-    },
     "authors": [
         {
             "name": "Pol Dellaiera",
             "email": "[email protected]"
         }
     ],
     "require": {
-        "php": ">= 5.6"
+        "php": ">= 7.1.3"
     },
     "require-dev": {
-        "drupol/php-conventions": "^1.3",
-        "phpunit/phpunit": "^5 || ^6",
-        "phpunit/php-code-coverage": "^4 || ^5"
+        "drupol/php-conventions": "^1.6.8",
+        "phpunit/php-code-coverage": "^4 || ^5",
+        "phpunit/phpunit": "^6 || ^7",
+        "symfony/process": "^4.4.1"
     },
-    "scripts": {
-        "phpunit": "./vendor/bin/phpunit --coverage-clover build/logs/clover.xml -c tests/phpunit.xml tests",
-        "grumphp": "./vendor/bin/grumphp run"
+    "config": {
+        "sort-packages": true
     },
     "autoload": {
         "psr-4": {
             "drupol\\phpermutations\\": "src/",
             "drupol\\phpermutations\\Tests\\": "tests/src/"
         }
     },
-    "config": {
-        "sort-packages": true
+    "scripts": {
+        "grumphp": "./vendor/bin/grumphp run",
+        "phpunit": "./vendor/bin/phpunit --coverage-clover build/logs/clover.xml -c tests/phpunit.xml tests"
+    },
+    "support": {
+        "issues": "https://github.com/drupol/phpermutations/issues",
+        "source": "https://github.com/drupol/phpermutations"
     }
 }