FIX: Better travis matrix

- Test PHP 7.2 and 7.3
 - Test against all 4.x minor releases

.travis.yml

@@ -6,33 +6,51 @@ cache:
   directories:
     - $HOME/.composer/cache/files
 
-php:
-  - 5.6
-  - 7.0
-  - 7.1
-
 env:
   global:
     - DB=SQLITE
-    - PDO=1
 
 matrix:
   fast_finish: true
   include:
+
     - php: 5.6
-      env: PDO=0 PHPCS_TEST=1
+      env:
+       - CORE_VERSION=1.0.x-dev
+       - PDO=0
+
+    - php: 7.0
+      env:
+       - CORE_VERSION=1.1.x-dev
+       - PDO=1
+
+    - php: 7.1
+      env:
+       - CORE_VERSION=4.2.x-dev
+       - PDO=0
+
+    - php: 7.2
+      env:
+       - CORE_VERSION=4.3.x-dev
+       - PDO=0
+
+    - php: 7.3
+      env:
+       - CORE_VERSION=4.x-dev
+       - PDO=1
+       - PHPCS_TEST=1
 
 before_script:
   # Init PHP
   - phpenv rehash
-  - phpenv config-rm xdebug.ini
+  - phpenv config-rm xdebug.ini || true
   - export PATH=~/.composer/vendor/bin:$PATH
   - echo 'memory_limit = 2048M' >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
 
 # Install composer dependencies
   - composer validate
-  - composer require --no-update silverstripe/recipe-cms:1.0.x-dev
+  - composer require --no-update silverstripe/recipe-cms:$CORE_VERSION
-  - composer install --prefer-dist --no-interaction --no-progress --no-suggest --optimize-autoloader --verbose --profile
+  - composer install --no-interaction --no-progress --no-suggest --optimize-autoloader --verbose --profile
   - if [[ $PHPCS_TEST ]]; then composer global require squizlabs/php_codesniffer:^3 --prefer-dist --no-interaction --no-progress --no-suggest -o; fi
 
 script: