Merge pull request #23 from web3p/github-ci

GitHub ci

.github/workflows/php.yml

@@ -0,0 +1,47 @@
+name: PHP
+
+on: ["push", "pull_request"]
+
+jobs:
+  build_and_test:
+    name: Build and test rlp with ${{ matrix.php-version }}
+    strategy:
+      matrix:
+        php-version: ["7.3", "7.4", "8.0"]
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+          php-version: ${{ matrix.php-version }}
+
+    - name: PHP version
+      run: |
+        php --version
+
+    - uses: actions/checkout@v2
+
+    - name: Validate composer.json and composer.lock
+      run: composer validate
+
+    - name: Cache Composer packages
+      id: composer-cache
+      uses: actions/cache@v2
+      with:
+        path: vendor
+        key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-php-
+
+    - name: Install dependencies
+      if: steps.composer-cache.outputs.cache-hit != 'true'
+      run: composer install --prefer-dist --no-progress --no-suggest
+
+    - name: Run test suite
+      run: vendor/bin/phpunit --coverage-clover=coverage.xml
+
+    - uses: codecov/codecov-action@v1
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}

README.md

@@ -1,7 +1,7 @@
 # rlp
 Recursive Length Prefix Encoding in PHP.
 
-[![Build Status](https://travis-ci.org/web3p/rlp.svg?branch=master)](https://travis-ci.org/web3p/rlp)
+[![PHP](https://github.com/web3p/rlp/actions/workflows/php.yml/badge.svg)](https://github.com/web3p/rlp/actions/workflows/php.yml)
 [![codecov](https://codecov.io/gh/web3p/rlp/branch/master/graph/badge.svg)](https://codecov.io/gh/web3p/rlp)
 [![Licensed under the MIT License](https://img.shields.io/badge/License-MIT-blue.svg)](https://github.com/web3p/rlp/blob/master/LICENSE)
 

composer.json

@@ -11,7 +11,7 @@
     ],
     "minimum-stability": "dev",
     "require-dev": {
-        "phpunit/phpunit": "~7"
+        "phpunit/phpunit": "~7 | ~8.0"
     },
     "autoload": {
         "psr-4": {
@@ -24,5 +24,7 @@
         }
     },
     "require": {
+        "PHP": "^7.1 | ^8.0",
+        "ext-mbstring": "*"
     }
 }