Upgrade required PHP version to 7.1

Author: LaurentPetard

.travis.yml

@@ -1,9 +1,8 @@
 language: php
 
 php:
-    - 5.6
-    - 7.0
     - 7.1
+    - 7.2
 
 sudo: false
 

README.md

@@ -16,7 +16,7 @@ For example, if your PIM is currently a v2.3, you can still use a 1.0 version of
 
 ## Requirements
 
-* PHP >= 5.6
+* PHP >= 7.1
 * Composer 
 
 ## Installation
@@ -33,7 +33,7 @@ $ curl -s http://getcomposer.org/installer | php
 
 Then, run the following command to require the library:
 ```bash
-$ php composer.phar require akeneo/api-php-client php-http/guzzle6-adapter:^1.1
+$ php composer.phar require akeneo/api-php-client php-http/guzzle6-adapter:^2.0
 ```
 
 If you want to use another HTTP client implementation, you can check [here](https://packagist.org/providers/php-http/client-implementation) the full list of HTTP client implementations. 
@@ -148,10 +148,10 @@ These dependencies are different in function of the PHP version running `compose
 ```
 cp docker-compose.yml.dist docker-compose.yml
 rm -rf composer.lock vendor/
-docker-compose run client_56 composer install
-docker-compose run client_56 bin/phpunit -c phpunit.xml.dist
-docker-compose run client_56 bin/phpspec run
-docker-compose run client_56 bin/php-cs-fixer fix --diff --dry-run --config=.php_cs.php -vvv
+docker-compose run client_71 composer install
+docker-compose run client_71 bin/phpunit -c phpunit.xml.dist
+docker-compose run client_71 bin/phpspec run
+docker-compose run client_71 bin/php-cs-fixer fix --diff --dry-run --config=.php_cs.php -vvv
 ```
 
 ## Support

composer.json

@@ -20,20 +20,20 @@
     }
   },
   "require": {
-    "php": ">=5.6",
+    "php": ">=7.1",
     "psr/http-message": "^1.0",
-    "php-http/httplug": "^1.0",
-    "php-http/message": "^1.0",
-    "php-http/discovery": "^1.0",
+    "php-http/httplug": "^2.0",
+    "php-http/message": "^1.7",
+    "php-http/discovery": "^1.5",
     "php-http/message-factory": "^v1.0",
     "php-http/multipart-stream-builder": "^1.0",
     "php-http/client-implementation": "^1.0"
   },
   "require-dev": {
-    "friendsofphp/php-cs-fixer": "^v2.3",
-    "phpunit/phpunit": "5.7.*",
-    "phpspec/phpspec": "3.2.*",
-    "symfony/yaml": "^3.3",
+    "friendsofphp/php-cs-fixer": "^2.14",
+    "phpunit/phpunit": "^5.7",
+    "phpspec/phpspec": "^5.0",
+    "symfony/yaml": "^4.2",
     "donatj/mock-webserver": "^2.0"
   },
   "config": {

docker-compose.yml.dist

@@ -1,23 +1,8 @@
 version: '2'
 
 services:
-  client_56:
-    image: akeneo/php:5.6
-    environment:
-      COMPOSER_HOME: /home/docker/.composer
-      PHP_IDE_CONFIG: 'serverName=akeneo-client'
-      PHP_XDEBUG_ENABLED: 0
-      PHP_XDEBUG_IDE_KEY: XDEBUG_IDE_KEY
-      PHP_XDEBUG_REMOTE_HOST: xxx.xxx.xxx.xxx
-      XDEBUG_CONFIG: 'remote_host=xxx.xxx.xxx.xxx'
-    user: docker
-    volumes:
-      - ./:/home/docker/client
-      - ~/.composer:/home/docker/.composer
-    working_dir: /home/docker/client
-
-  client_70:
-    image: akeneo/php:7.0
+  client_71:
+    image: akeneo/php:7.1
     environment:
       COMPOSER_HOME: /home/docker/.composer
       PHP_IDE_CONFIG: 'serverName=akeneo-client'
@@ -31,8 +16,8 @@ services:
       - ~/.composer:/home/docker/.composer
     working_dir: /home/docker/client
 
-  client_71:
-    image: akeneo/php:7.1
+  client_72:
+    image: akeneo/php:7.2
     environment:
       COMPOSER_HOME: /home/docker/.composer
       PHP_IDE_CONFIG: 'serverName=akeneo-client'
@@ -45,4 +30,3 @@ services:
       - ./:/home/docker/client
       - ~/.composer:/home/docker/.composer
     working_dir: /home/docker/client
-