Add zendframework/zend-hydrator v3 support and PHP 7.3

.travis.yml

@@ -1,5 +1,3 @@
-sudo: false
-
 language: php
 
 cache:
@@ -19,6 +17,7 @@ matrix:
     - php: 7.1
       env:
         - DEPS=locked
+        - LEGACY_DEPS="zendframework/zend-hydrator"
         - CS_CHECK=true
         - TEST_COVERAGE=true
     - php: 7.1
@@ -33,12 +32,22 @@ matrix:
     - php: 7.2
       env:
         - DEPS=latest
+    - php: 7.3
+      env:
+        - DEPS=lowest
+    - php: 7.3
+      env:
+        - DEPS=locked
+    - php: 7.3
+      env:
+        - DEPS=latest
 
 before_install:
   - if [[ $TEST_COVERAGE != 'true' ]]; then phpenv config-rm xdebug.ini || return 0 ; fi
 
 install:
-  - travis_retry composer install $COMPOSER_ARGS
+  - travis_retry composer install $COMPOSER_ARGS --ignore-platform-reqs
+  - if [[ $LEGACY_DEPS != '' ]]; then travis_retry composer update --with-dependencies $COMPOSER_ARGS $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 travis_retry composer require --dev $COMPOSER_ARGS $COVERAGE_DEPS ; fi

composer.json

@@ -34,7 +34,7 @@
         "phpunit/phpunit": "^7.0.1",
         "zendframework/zend-coding-standard": "~1.0.0",
         "zendframework/zend-expressive-helpers": "^5.0.0alpha3",
-        "zendframework/zend-hydrator": "^2.3.1",
+        "zendframework/zend-hydrator": "^2.3.1 || ^3.0",
         "zendframework/zend-paginator": "^2.7"
     },
     "provide": {