Added .travis.yml to provide automatic builds for this repository

Author: boesing

.travis.yml

@@ -0,0 +1,84 @@
+sudo: false
+
+language: php
+
+cache:
+  directories:
+  - $HOME/.composer/cache
+
+services:
+- redis-server
+
+env:
+  global:
+  - COMPOSER_ARGS="--no-interaction"
+  - TESTS_ZEND_CACHE_REDIS_ENABLED=true
+  - TESTS_ZEND_CACHE_REDIS_HOST="127.0.0.1"
+  - TESTS_ZEND_CACHE_REDIS_PORT=6379
+  - TESTS_ZEND_CACHE_REDIS_PASSWORD=""
+  - TESTS_ZEND_CACHE_REDIS_DATABASE=0
+
+matrix:
+  include:
+  - php: 5.5
+    env:
+    - DEPS=latest
+  - php: 5.5
+    env:
+    - DEPS=lowest
+  - php: 5.6
+    env:
+    - DEPS=locked
+    - LEGACY_DEPS="phpunit/phpunit"
+  - php: 5.6
+    env:
+    - DEPS=latest
+  - php: 7
+    env:
+    - DEPS=lowest
+  - php: 7
+    env:
+    - DEPS=locked
+    - LEGACY_DEPS="phpunit/phpunit"
+  - php: 7
+    env:
+    - DEPS=latest
+  - php: 7.1
+    env:
+    - DEPS=lowest
+  - php: 7.1
+    env:
+    - DEPS=locked
+    - CS_CHECK=true
+    - BENCHMARKS=true
+  - php: 7.1
+    env:
+    - DEPS=latest
+  - php: 7.2
+    env:
+    - DEPS=lowest
+  - php: 7.2
+    env:
+    - DEPS=locked
+  - php: 7.2
+    env:
+    - DEPS=latest
+
+install:
+- if [[ $TESTS_ZEND_CACHE_REDIS_ENABLED == 'true' ]]; then
+  phpenv config-add .ci/redis.ini ;
+  fi ;
+
+- 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
+- stty cols 120 && composer show
+- pecl list
+- php -m
+
+script:
+- if [[ $CS_CHECK == 'true' ]]; then composer cs-check ; fi
+
+notifications:
+  email: false