php compatibility tests

.gitignore

@@ -8,4 +8,5 @@ config.yml
 .idea/
 *.swp
 packaged/
-wpcs/
+wpcs/
+vendor/

.travis.yml

@@ -1,62 +1,31 @@
-sudo: false
-dist: trusty
-
 language: php
 
-notifications:
-  email:
-    on_success: never
-    on_failure: change
-
-branches:
-  only:
-    - travis-ci
-
-cache:
-  directories:
-    - $HOME/.composer/cache
-
 matrix:
   include:
-    - php: 7.2
-      env: WP_VERSION=latest
-    - php: 7.1
-      env: WP_VERSION=latest
-    - php: 7.0
-      env: WP_VERSION=latest
-    - php: 5.6
-      env: WP_VERSION=latest
-    - php: 5.6
-      env: WP_VERSION=trunk
-    - php: 5.6
-      env: WP_TRAVISCI=phpcs
+  - name: "PHP 5.4 Compatibility Test"
+    php: "5.4"
+    env: TEST_VERSION=5.4
+  - name: "PHP 5.5 Compatibility Test"
+    php: "5.5"
+    env: TEST_VERSION=5.5
+  - name: "PHP 5.6 Compatibility Test"
+    php: "5.6"
+    env: TEST_VERSION=5.6
+  - name: "PHP7.0 Compatibility Test"
+    php: "7.0"
+    env: TEST_VERSION=7.0
+  - name: "PHP 7.1 Compatibility Test"
+    php: "7.1"
+    env: TEST_VERSION=7.1
+  - name: "PHP 7.2 Compatibility Test"
+    php: "7.2"
+    env: TEST_VERSION=7.2
+  - name: "PHP 7.3 Compatibility Test"
+    php: "7.3"
+    env: TEST_VERSION=7.3
 
 before_script:
-  - export PATH="$HOME/.composer/vendor/bin:$PATH"
-  - |
-    if [ -f ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini ]; then
-      phpenv config-rm xdebug.ini
-    else
-      echo "xdebug.ini does not exist"
-    fi
-  - |
-    if [[ ! -z "$WP_VERSION" ]] ; then
-      bash bin/install-wp-tests.sh wordpress_test root '' localhost $WP_VERSION
-      composer global require "phpunit/phpunit=4.8.*|5.7.*"
-    fi
-  - |
-    if [[ "$WP_TRAVISCI" == "phpcs" ]] ; then
-      composer global require wp-coding-standards/wpcs
-      phpcs --config-set installed_paths $HOME/.composer/vendor/wp-coding-standards/wpcs
-    fi
-
+  - composer install
 script:
-  - |
-    if [[ ! -z "$WP_VERSION" ]] ; then
-      phpunit ./phpunit.xml.dist
-      WP_MULTISITE=1 phpunit ./phpunit.xml.dist
-    fi
-  - |
-    if [[ "$WP_TRAVISCI" == "phpcs" ]] ; then
-      phpcs
-    fi
+- composer install --dev
+- vendor/bin/phpcs -p src/ --standard=PHPCompatibility --runtime-set testVersion $TEST_VERSION

composer.json

@@ -12,5 +12,10 @@
     ],
     "require": {
         "composer/installers": "~1.0"
+    },
+    "require-dev": {
+        "squizlabs/php_codesniffer": "*",
+        "wimg/php-compatibility": "*",
+        "dealerdirect/phpcodesniffer-composer-installer": "^0.4.4"
     }
 }