[Qual] Add PHP 7.1 to Travis test matrix

.travis.yml

@@ -12,6 +12,7 @@ php:
 - '5.5'
 - '5.6'
 - '7.0'
+- '7.1'
 - nightly
 
 addons:
@@ -96,7 +97,7 @@ install:
   if [ "$TRAVIS_PHP_VERSION" = '5.3' ] || [ "$TRAVIS_PHP_VERSION" = '5.4' ] || [ "$TRAVIS_PHP_VERSION" = '5.5' ]; then
     composer -n require phpunit/phpunit ^4
   fi
-  if [ "$TRAVIS_PHP_VERSION" = '5.6' ] || [ "$TRAVIS_PHP_VERSION" = '7.0' ] || [ "$TRAVIS_PHP_VERSION" = 'nightly' ]; then
+  if [ "$TRAVIS_PHP_VERSION" = '5.6' ] || [ "$TRAVIS_PHP_VERSION" = '7.0' ] || [ "$TRAVIS_PHP_VERSION" = '7.1' ] || [ "$TRAVIS_PHP_VERSION" = 'nightly' ]; then
     composer -n require phpunit/phpunit ^5
   fi
   echo
@@ -136,7 +137,7 @@ before_script:
     echo 'extension = apc.so' >> ~/.phpenv/versions/$PHP_VERSION_NAME/etc/php.ini
     echo
     echo "Enabling Memcached for PHP <= 5.4"
-    #   Documentation says it should be available for all PHP versions but it's not for 5.5 and 5.6, 7.0 and nightly!
+    #   Documentation says it should be available for all PHP versions but it's not for 5.5 and 5.6, 7.0, 7.1 and nightly!
     echo 'extension = memcached.so' >> ~/.phpenv/versions/$PHP_VERSION_NAME/etc/php.ini
   fi
   phpenv rehash
@@ -208,7 +209,7 @@ before_script:
   echo "Setting up Apache + FPM"
   # enable php-fpm
   cp ~/.phpenv/versions/$PHP_VERSION_NAME/etc/php-fpm.conf.default ~/.phpenv/versions/$PHP_VERSION_NAME/etc/php-fpm.conf
-  if [ "$TRAVIS_PHP_VERSION" = '7.0' ] || [ "$TRAVIS_PHP_VERSION" = 'nightly' ]; then
+  if [ "$TRAVIS_PHP_VERSION" = '7.0' ] || [ "$TRAVIS_PHP_VERSION" = '7.1' ] || [ "$TRAVIS_PHP_VERSION" = 'nightly' ]; then
     # Copy the included pool
     cp ~/.phpenv/versions/$PHP_VERSION_NAME/etc/php-fpm.d/www.conf.default ~/.phpenv/versions/$PHP_VERSION_NAME/etc/php-fpm.d/www.conf
   fi