Add Github actions.

Author: ddebin

.gitattributes

@@ -3,8 +3,8 @@
 .gitignore export-ignore
 .idea export-ignore
 .php_cs export-ignore
-.travis.yml export-ignore
 README.md export-ignore
 phpunit.xml export-ignore
+/.github export-ignore
 /tests export-ignore
 /examples export-ignore

.github/workflows/main.yml

@@ -0,0 +1,41 @@
+name: CI
+
+on:
+  push:
+    branches: [ master, dev ]
+  pull_request:
+    branches: [ master, dev ]
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php: ['7.1', '7.2', '7.3', '7.4']
+    name: PHP ${{ matrix.php }} tests
+    steps:
+      -   uses: actions/checkout@v2
+      # required for "git tag" presence for MonorepoBuilder split and ChangelogLinker git tags resolver; default is 1
+      -   run: git fetch --depth=100000 origin
+      # see https://github.com/shivammathur/setup-php
+      -   uses: shivammathur/setup-php@v1
+          with:
+            php-version: ${{ matrix.php }}
+            coverage: none
+      -   run: composer install --no-progress
+      -   run: composer phpstan
+      -   run: composer phpunit
+
+  tests_lowest_dependencies:
+    runs-on: ubuntu-16.04
+    steps:
+      -   uses: actions/checkout@v2
+      -   run: git fetch --depth=100000 origin
+      # see https://github.com/shivammathur/setup-php
+      -   uses: shivammathur/setup-php@v1
+          with:
+            php-version: 7.0
+            coverage: none
+      -   run: composer update --no-progress --prefer-lowest
+      -   run: composer phpstan
+      -   run: composer phpunit

.travis.yml

@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.org/ddebin/mc-google-visualization.svg?branch=master)](https://travis-ci.org/ddebin/mc-google-visualization)
+![Build Status](https://github.com/ddebin/mc-google-visualization/workflows/CI/badge.svg)
 
 # MC_Google_Visualization: Google Visualization datasource with your own database