Updates Travis config to test against PHP 7.1 and 7.2

Updates the travis configuration to add jobs for PHP 7.1 and 7.2.
Additionally, it removes documentation build directives, as those are
now handled via a webhook.

Finally, it also updates how code coverage is installed and uploaded.

Author: weierophinney

.travis.yml

@@ -10,17 +10,10 @@ branches:
 cache:
   directories:
     - $HOME/.composer/cache
-    - $HOME/.local
-    - zf-mkdoc-theme
 
 env:
   global:
     - COMPOSER_ARGS="--no-interaction"
-    - SITE_URL=https://zendframework.github.io/zend-xmlrpc
-    - GH_USER_NAME="Matthew Weier O'Phinney"
-    - [email protected]
-    - GH_REF=github.com/zendframework/zend-xmlrpc.git
-    - secure: "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"
 
 matrix:
   fast_finish: true
@@ -32,8 +25,7 @@ matrix:
       env:
         - DEPS=locked
         - TEST_COVERAGE=true
-        - DEPLOY_DOCS="$(if [[ $TRAVIS_BRANCH == 'master' && $TRAVIS_PULL_REQUEST == 'false' ]]; then echo -n 'true' ; else echo -n 'false' ; fi)"
-        - PATH="$HOME/.local/bin:$PATH"
+        - LEGACY_DEPS="phpunit/phpunit"
     - php: 5.6
       env:
         - DEPS=latest
@@ -44,9 +36,28 @@ matrix:
       env:
         - DEPS=locked
         - CS_CHECK=true
+        - LEGACY_DEPS="phpunit/phpunit"
     - php: 7
       env:
         - DEPS=latest
+    - php: 7.1
+      env:
+        - DEPS=lowest
+    - php: 7.1
+      env:
+        - DEPS=locked
+    - php: 7.1
+      env:
+        - DEPS=latest
+    - php: 7.2
+      env:
+        - DEPS=lowest
+    - php: 7.2
+      env:
+        - DEPS=locked
+    - php: 7.2
+      env:
+        - DEPS=latest
     - php: hhvm 
       env:
         - DEPS=lowest
@@ -60,28 +71,23 @@ matrix:
     - php: hhvm
 
 notifications:
-  irc: "irc.freenode.org#zftalk.dev"
   email: false
 
 before_install:
   - if [[ $TEST_COVERAGE != 'true' ]]; then phpenv config-rm xdebug.ini || return 0 ; fi
-  - travis_retry composer self-update
 
 install:
+  - travis_retry composer install $COMPOSER_ARGS --ignore-platform-reqs
+  - if [[ $LEGACY_DEPS != '' ]]; then travis_retry composer update $COMPOSER_ARGS --with-dependencies $LEGACY_DEPS ; fi
   - if [[ $DEPS == 'latest' ]]; then travis_retry composer update $COMPOSER_ARGS ; fi
   - if [[ $DEPS == 'lowest' ]]; then travis_retry composer update --prefer-lowest --prefer-stable $COMPOSER_ARGS ; fi
-  - if [[ $TEST_COVERAGE == 'true' ]]; then composer require --dev $COMPOSER_ARGS satooshi/php-coveralls:^1.0 ; fi
-  - travis_retry composer install $COMPOSER_ARGS
-  - composer show
+  - if [[ $TEST_COVERAGE == 'true' ]]; then composer require --dev $COMPOSER_ARGS php-coveralls/php-coveralls:^2.0 ; fi
+  - stty cols 120 && composer show
 
 script:
   - if [[ $TEST_COVERAGE == 'true' ]]; then composer test-coverage ; fi
   - if [[ $TEST_COVERAGE != 'true' ]]; then composer test ; fi
   - if [[ $CS_CHECK == 'true' ]]; then composer cs-check ; fi
-  - if [[ $DEPLOY_DOCS == "true" && "$TRAVIS_TEST_RESULT" == "0" ]]; then wget -O theme-installer.sh "https://raw.githubusercontent.com/zendframework/zf-mkdoc-theme/master/theme-installer.sh" ; chmod 755 theme-installer.sh ; ./theme-installer.sh ; fi
-
-after_success:
-  - if [[ $DEPLOY_DOCS == "true" ]]; then echo "Preparing to build and deploy documentation" ; ./zf-mkdoc-theme/deploy.sh ; echo "Completed deploying documentation" ; fi
 
 after_script:
-  - if [[ $TEST_COVERAGE == 'true' ]]; then composer upload-coverage ; fi
+  - if [[ $TEST_COVERAGE == 'true' ]]; then php vendor/bin/php-coveralls -v ; fi