new code-base with PSR standards

.editorconfig

@@ -0,0 +1,10 @@
+# http://editorconfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+#trim_trailing_whitespace = true
+insert_final_newline = true

.gitattributes

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+* text=auto
+
+/examples/ export-ignore
+/tests/ export-ignore
+/build.sh export-ignore
+/.editorconfig export-ignore
+/.scrutinizer.yml export-ignore
+/.styleci.yml export-ignore
+/.gitattributes export-ignore
+/.github/ export-ignore
+/.gitignore export-ignore
+/.travis.yml export-ignore
+/circle.yml export-ignore
+/phpcs.php_cs export-ignore
+/phpstan.neon export-ignore
+/phpunit.xml.dist export-ignore

.github/CONTRIBUTING.md

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+# How to Contribute
+
+## Pull Requests
+
+1. Create your own [fork](https://help.github.com/articles/fork-a-repo) of this repo
+2. Create a new branch for each feature or improvement
+3. Send a pull request from each feature branch to the **master** branch
+
+It is very important to separate new features or improvements into separate
+feature branches, and to send a pull request for each branch. This allows me to
+review and pull in new features or improvements individually.
+
+## Style Guide
+
+All pull requests must adhere to the [PSR-2 standard](https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md).
+
+## Unit Testing
+
+All pull requests must be accompanied by passing PHPUnit unit tests and
+complete code coverage.
+
+[Learn about PHPUnit](https://github.com/sebastianbergmann/phpunit/)

.github/FUNDING.yml

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+github: [voku]
+patreon: voku
+open_collective: anti-xss
+tidelift: "packagist/voku/httpful"
+custom: https://www.paypal.me/moelleken

.github/ISSUE_TEMPLATE.md

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+#### What is this feature about (expected vs actual behaviour)?
+
+#### How can I reproduce it?
+
+#### Does it take minutes, hours or days to fix?
+
+#### Any additional information?

.github/workflows/ci.yml

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+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        php:
+          - '7.4'
+          - '8.0'
+          - '8.1'
+          - '8.2'
+        composer: [basic]
+    timeout-minutes: 10
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@2.9.0
+        with:
+          php-version: ${{ matrix.php }}
+          coverage: xdebug
+          extensions: zip
+          tools: composer
+
+      - name: Determine composer cache directory
+        id: composer-cache
+        run: echo "::set-output name=directory::$(composer config cache-dir)"
+
+      - name: Cache composer dependencies
+        uses: actions/cache@v2.1.3
+        with:
+          path: ${{ steps.composer-cache.outputs.directory }}
+          key: ${{ matrix.php }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ matrix.php }}-composer-
+
+      - name: Install dependencies
+        run: |
+          if [[ "${{ matrix.php }}" == "7.4" ]]; then
+            composer require phpstan/phpstan --no-update
+          fi;
+
+          if [[ "${{ matrix.composer }}" == "lowest" ]]; then
+            composer update --prefer-dist --no-interaction --prefer-lowest --prefer-stable
+          fi;
+
+          if [[ "${{ matrix.composer }}" == "basic" ]]; then
+            composer update --prefer-dist --no-interaction
+          fi;
+
+          composer dump-autoload -o
+
+      - name: Run tests
+        run: |
+          mkdir -p build/logs
+          php vendor/bin/phpunit -c phpunit.xml.dist --coverage-clover=build/logs/clover.xml
+
+      - name: Run phpstan
+        continue-on-error: true
+        if: ${{ matrix.php == '7.4' }}
+        run: |
+          php vendor/bin/phpstan analyse
+
+      - name: Upload coverage results to Coveralls
+        env:
+            COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+            composer global require php-coveralls/php-coveralls
+            php-coveralls --coverage_clover=build/logs/clover.xml -v
+
+      - name: Upload coverage results to Codecov
+        uses: codecov/codecov-action@v1
+        with:
+          files: build/logs/clover.xml
+
+      - name: Archive logs artifacts
+        if: ${{ failure() }}
+        uses: actions/upload-artifact@v2
+        with:
+          name: logs_composer-${{ matrix.composer }}_php-${{ matrix.php }}
+          path: |
+            build/logs

.gitignore

@@ -1,5 +1,16 @@
 .DS_Store
-composer.lock
-vendor
 downloads
-.idea/*
+
+# Tests
+server.log
+.phpunit.result.cache
+
+# Build
+/build/
+
+# IDE
+/.idea
+
+# Composer
+vendor
+composer.lock

.scrutinizer.yml

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+tools:
+  external_code_coverage:
+    timeout: 800

.styleci.yml

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+preset: psr2
+
+enabled:
+  - unused_use
+  - include
+  - single_quote
+  - ordered_use
+
+disabled:
+  - indentation

.travis.yml

@@ -1,17 +1,27 @@
 language: php
 
+sudo: false
+
 php:
-  - 5.3
-  - 5.4
-  - 5.5
-  - 5.6
   - 7.0
-  - hhvm
-
-matrix:
-  fast_finish: true
-  allow_failures:
-    - php: 7.0
-
+  - 7.1
+  - 7.2
+  - 7.3
+
+before_script:
+  - wget https://scrutinizer-ci.com/ocular.phar
+  - travis_retry composer self-update
+  - travis_retry composer require satooshi/php-coveralls
+  - if [ "$(phpenv version-name)" == 7.3 ]; then travis_retry composer require phpstan/phpstan; fi
+  - travis_retry composer install --no-interaction --prefer-source
+  - composer dump-autoload -o
+
 script:
-  - phpunit -c ./tests/phpunit.xml
+  - mkdir -p build/logs
+  - php vendor/bin/phpunit -c phpunit.xml.dist
+  - if [ "$(phpenv version-name)" == 7.3 ]; then php vendor/bin/phpstan analyse; fi
+
+after_script:
+  - php vendor/bin/coveralls -v
+  - php ocular.phar code-coverage:upload --format=php-clover build/logs/clover.xml
+  - bash <(curl -s https://codecov.io/bash)