feature #22733 Bump minimum version to PHP 7.1 for Symfony 4 (fabpot, dunglas, nicolas-grekas)

This PR was merged into the 4.0-dev branch. Discussion ---------- Bump minimum version to PHP 7.1 for Symfony 4 | Q | A | ------------- | --- | Branch? | master | Bug fix? | no | New feature? | yes-ish? | BC breaks? | yes-ish? | Deprecations? | no | Tests pass? | yes | Fixed tickets | n/a | License | MIT | Doc PR | n/a Commits ------- 4758c2c Tweak travis and appveyor for Symfony 4 6633c8b Allow individual bridges, bundles and components to be used with 4.0 c850733 bumped minimum version to PHP 7.1
2017-05-18 16:01:56 +02:00 · 2017-05-18 16:01:56 +02:00 · 15b7cdb9d9
commit 15b7cdb9d9
parent cd69fc185e 4758c2c7b5
54 changed files with 344 additions and 380 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -14,19 +14,13 @@ addons:

 env:
    global:
-        - MIN_PHP=5.5.9
-        - SYMFONY_PROCESS_PHP_TEST_BINARY=~/.phpenv/versions/5.6/bin/php
+        - MIN_PHP=7.1.3
+        - SYMFONY_PROCESS_PHP_TEST_BINARY=~/.phpenv/versions/7.1/bin/php

 matrix:
    include:
-        # Use the newer stack for HHVM as HHVM does not support Precise anymore since a long time and so Precise has an outdated version
-        - php: hhvm-3.18
-          sudo: required
-          dist: trusty
-          group: edge
-        - php: 5.5
-        - php: 5.6
-        - php: 7.0
+        - php: 7.1.3
+        - php: 7.1
          env: deps=high
        - php: 7.1
          env: deps=low
@ -83,11 +77,10 @@ before_install:
      echo extension = ldap.so >> $INI
      echo extension = redis.so >> $INI
      echo extension = memcached.so >> $INI
-      [[ $PHP = 5.* ]] && echo extension = mongo.so >> $INI
-      [[ $PHP = 5.* ]] && echo extension = memcache.so >> $INI
+      #echo extension = mongodb.so >> $INI

      # Matrix lines for intermediate PHP versions are skipped for pull requests
-      if [[ ! $deps && ! $PHP = ${MIN_PHP%.*} && ! $PHP = hhvm* && $TRAVIS_PULL_REQUEST != false ]]; then
+      if [[ ! $deps && ! $PHP = $MIN_PHP && ! $PHP = hhvm* && $TRAVIS_PULL_REQUEST != false ]]; then
          deps=skip
          skip=1
      else
@ -96,17 +89,14 @@ before_install:

    - |
      # Install sigchild-enabled PHP to test the Process component on the lowest PHP matrix line
-      if [[ ! $deps && $PHP = ${MIN_PHP%.*} && ! -d php-$MIN_PHP/sapi ]]; then
-          wget http://museum.php.net/php5/php-$MIN_PHP.tar.bz2 -O - | tar -xj &&
+      if [[ ! $deps && $PHP = $MIN_PHP && ! -d php-$MIN_PHP/sapi ]]; then
+          wget http://php.net/get/php-$MIN_PHP.tar.bz2/from/this/mirror -O - | tar -xj &&
          (cd php-$MIN_PHP && ./configure --enable-sigchild --enable-pcntl && make -j2)
      fi

    - |
      # Install extra PHP extensions
-      if [[ ! $skip && $PHP = 5.* ]]; then
-          ([[ $deps ]] || tfold ext.symfony_debug 'cd src/Symfony/Component/Debug/Resources/ext && phpize && ./configure && make && echo extension = $(pwd)/modules/symfony_debug.so >> '"$INI") &&
-          tfold ext.apcu4 'echo yes | pecl install -f apcu-4.0.11'
-      elif [[ ! $skip && $PHP = 7.* ]]; then
+      if [[ ! $skip && $PHP = 7.* ]]; then
          tfold ext.apcu5 'echo yes | pecl install -f apcu-5.1.6'
      fi

@ -172,8 +162,8 @@ install:
          else
              echo "$COMPONENTS" | parallel --gnu "tfold {} $PHPUNIT_X {}"
              tfold tty-group $PHPUNIT --group tty
-              if [[ $PHP = ${MIN_PHP%.*} ]]; then
-                  echo -e "1\\n0" | xargs -I{} bash -c "tfold src/Symfony/Component/Process.sigchild{} SYMFONY_DEPRECATIONS_HELPER=weak ENHANCE_SIGCHLD={} php-$MIN_PHP/sapi/cli/php .phpunit/phpunit-4.8/phpunit --colors=always src/Symfony/Component/Process/"
+              if [[ $PHP = $MIN_PHP ]]; then
+                  echo -e "1\\n0" | xargs -I{} bash -c "tfold src/Symfony/Component/Process.sigchild{} SYMFONY_DEPRECATIONS_HELPER=weak ENHANCE_SIGCHLD={} php-$MIN_PHP/sapi/cli/php ./phpunit --colors=always src/Symfony/Component/Process/"
              fi
          fi
      }
--- a/appveyor.yml
+++ b/appveyor.yml
@ -11,20 +11,15 @@ init:
    - SET COMPOSER_NO_INTERACTION=1
    - SET SYMFONY_DEPRECATIONS_HELPER=strict
    - SET ANSICON=121x90 (121x90)
-    - SET SYMFONY_PHPUNIT_VERSION=4.8
    - REG ADD "HKEY_CURRENT_USER\Software\Microsoft\Command Processor" /v DelayedExpansion /t REG_DWORD /d 1 /f

 install:
    - mkdir c:\php && cd c:\php
-    - appveyor DownloadFile https://raw.githubusercontent.com/symfony/binary-utils/master/cacert.pem
-    - appveyor DownloadFile https://github.com/symfony/binary-utils/releases/download/v0.1/php-5.5.9-nts-Win32-VC11-x86.zip
-    - 7z x php-5.5.9-nts-Win32-VC11-x86.zip -y >nul
-    - appveyor DownloadFile https://github.com/symfony/binary-utils/releases/download/v0.1/php-7.1.3-Win32-VC14-x64.zip
+    - appveyor DownloadFile https://github.com/symfony/binary-utils/releases/download/v0.1/php-7.1.3-Win32-VC14-x86.zip
+    - 7z x php-7.1.3-Win32-VC14-x86.zip -y >nul
    - cd ext
-    - appveyor DownloadFile https://github.com/symfony/binary-utils/releases/download/v0.1/php_apcu-4.0.10-5.5-nts-vc11-x86.zip
-    - 7z x php_apcu-4.0.10-5.5-nts-vc11-x86.zip -y >nul
-    - appveyor DownloadFile https://github.com/symfony/binary-utils/releases/download/v0.1/php_memcache-3.0.8-5.5-nts-vc11-x86.zip
-    - 7z x php_memcache-3.0.8-5.5-nts-vc11-x86.zip -y >nul
+    - appveyor DownloadFile https://github.com/symfony/binary-utils/releases/download/v0.1/php_apcu-5.1.8-7.1-ts-vc14-x86.zip
+    - 7z x php_apcu-5.1.8-7.1-ts-vc14-x86.zip -y >nul
    - cd ..
    - copy /Y php.ini-development php.ini-min
    - echo serialize_precision=14 >> php.ini-min
@ -37,13 +32,11 @@ install:
    - echo extension=php_openssl.dll >> php.ini-max
    - echo extension=php_apcu.dll >> php.ini-max
    - echo apc.enable_cli=1 >> php.ini-max
-    - echo extension=php_memcache.dll >> php.ini-max
    - echo extension=php_intl.dll >> php.ini-max
    - echo extension=php_mbstring.dll >> php.ini-max
    - echo extension=php_fileinfo.dll >> php.ini-max
    - echo extension=php_pdo_sqlite.dll >> php.ini-max
    - echo extension=php_curl.dll >> php.ini-max
-    - echo curl.cainfo=c:\php\cacert.pem >> php.ini-max
    - copy /Y php.ini-max php.ini
    - cd c:\projects\symfony
    - IF NOT EXIST composer.phar (appveyor DownloadFile https://getcomposer.org/download/1.3.0/composer.phar)
@ -56,12 +49,8 @@ install:

 test_script:
    - SET X=0
-    - cd c:\php && 7z x php-7.1.3-Win32-VC14-x64.zip -y >nul && copy /Y php.ini-min php.ini
-    - cd c:\projects\symfony
-    - php phpunit src\Symfony --exclude-group benchmark,intl-data || SET X=!errorlevel!
-    - cd c:\php && 7z x php-5.5.9-nts-Win32-VC11-x86.zip -y >nul && copy /Y php.ini-min php.ini
-    - cd c:\projects\symfony
    - SET SYMFONY_PHPUNIT_SKIPPED_TESTS=phpunit.skipped
+    - copy /Y c:\php\php.ini-min c:\php\php.ini
    - php phpunit src\Symfony --exclude-group benchmark,intl-data || SET X=!errorlevel!
    - copy /Y c:\php\php.ini-max c:\php\php.ini
    - php phpunit src\Symfony --exclude-group benchmark,intl-data || SET X=!errorlevel!
--- a/composer.json
+++ b/composer.json
@ -16,7 +16,7 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "doctrine/common": "~2.4",
        "fig/link-util": "^1.0",
        "twig/twig": "~1.32|~2.2",
@ -26,10 +26,7 @@
        "psr/log": "~1.0",
        "psr/simple-cache": "^1.0",
        "symfony/polyfill-intl-icu": "~1.0",
-        "symfony/polyfill-mbstring": "~1.0",
-        "symfony/polyfill-php56": "~1.0",
-        "symfony/polyfill-php70": "~1.0",
-        "symfony/polyfill-util": "~1.0"
+        "symfony/polyfill-mbstring": "~1.0"
    },
    "replace": {
        "symfony/asset": "self.version",
--- a/src/Symfony/Bridge/Doctrine/composer.json
+++ b/src/Symfony/Bridge/Doctrine/composer.json
@ -16,29 +16,29 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "doctrine/common": "~2.4",
        "symfony/polyfill-mbstring": "~1.0"
    },
    "require-dev": {
-        "symfony/stopwatch": "~2.8|~3.0|~4.0.0",
-        "symfony/dependency-injection": "~3.3|~4.0.0",
-        "symfony/form": "^3.2.5|~4.0.0",
-        "symfony/http-kernel": "~2.8|~3.0|~4.0.0",
-        "symfony/property-access": "~2.8|~3.0|~4.0.0",
-        "symfony/property-info": "~2.8|3.0|~4.0.0",
-        "symfony/proxy-manager-bridge": "~2.8|~3.0|~4.0.0",
-        "symfony/security": "~2.8|~3.0|~4.0.0",
-        "symfony/expression-language": "~2.8|~3.0|~4.0.0",
-        "symfony/validator": "^2.8.18|^3.2.5|~4.0.0",
-        "symfony/translation": "~2.8|~3.0|~4.0.0",
+        "symfony/stopwatch": "~3.4|~4.0",
+        "symfony/dependency-injection": "~3.4|~4.0",
+        "symfony/form": "~3.4|~4.0",
+        "symfony/http-kernel": "~3.4|~4.0",
+        "symfony/property-access": "~3.4|~4.0",
+        "symfony/property-info": "~3.4|~4.0",
+        "symfony/proxy-manager-bridge": "~3.4|~4.0",
+        "symfony/security": "~3.4|~4.0",
+        "symfony/expression-language": "~3.4|~4.0",
+        "symfony/validator": "~3.4|~4.0",
+        "symfony/translation": "~3.4|~4.0",
        "doctrine/data-fixtures": "1.0.*",
        "doctrine/dbal": "~2.4",
        "doctrine/orm": "^2.4.5"
    },
    "conflict": {
        "phpunit/phpunit": "<4.8.35|<5.4.3,>=5.0",
-        "symfony/dependency-injection": "<3.3"
+        "symfony/dependency-injection": "<3.4"
    },
    "suggest": {
        "symfony/form": "",
--- a/src/Symfony/Bridge/Monolog/composer.json
+++ b/src/Symfony/Bridge/Monolog/composer.json
@ -16,17 +16,17 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "monolog/monolog": "~1.19",
-        "symfony/http-kernel": "~2.8|~3.0|~4.0.0"
+        "symfony/http-kernel": "~3.4|~4.0"
    },
    "require-dev": {
-        "symfony/console": "~2.8|~3.0|~4.0.0",
-        "symfony/event-dispatcher": "~2.8|~3.0|~4.0.0",
-        "symfony/var-dumper": "~3.3|~4.0.0"
+        "symfony/console": "~3.4|~4.0",
+        "symfony/event-dispatcher": "~3.4|~4.0",
+        "symfony/var-dumper": "~3.4|~4.0"
    },
    "conflict": {
-        "symfony/http-foundation": "<3.3"
+        "symfony/http-foundation": "<3.4"
    },
    "suggest": {
        "symfony/http-kernel": "For using the debugging handlers together with the response life cycle of the HTTP kernel.",
--- a/src/Symfony/Bridge/ProxyManager/composer.json
+++ b/src/Symfony/Bridge/ProxyManager/composer.json
@ -16,12 +16,12 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/dependency-injection": "~2.8|~3.0|~4.0.0",
+        "php": "^7.1.3",
+        "symfony/dependency-injection": "~3.4|~4.0",
        "ocramius/proxy-manager": "~0.4|~1.0|~2.0"
    },
    "require-dev": {
-        "symfony/config": "~2.8|~3.0|~4.0.0"
+        "symfony/config": "~3.4|~4.0"
    },
    "autoload": {
        "psr-4": { "Symfony\\Bridge\\ProxyManager\\": "" },
--- a/src/Symfony/Bridge/Twig/composer.json
+++ b/src/Symfony/Bridge/Twig/composer.json
@ -16,27 +16,27 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "twig/twig": "~1.28|~2.0"
    },
    "require-dev": {
        "fig/link-util": "^1.0",
-        "symfony/asset": "~2.8|~3.0|~4.0.0",
-        "symfony/finder": "~2.8|~3.0|~4.0.0",
-        "symfony/form": "^3.2.7|~4.0.0",
-        "symfony/http-kernel": "~3.2|~4.0.0",
+        "symfony/asset": "~3.4|~4.0",
+        "symfony/finder": "~3.4|~4.0",
+        "symfony/form": "~3.4|~4.0",
+        "symfony/http-kernel": "~3.4|~4.0",
        "symfony/polyfill-intl-icu": "~1.0",
-        "symfony/routing": "~2.8|~3.0|~4.0.0",
-        "symfony/templating": "~2.8|~3.0|~4.0.0",
-        "symfony/translation": "~2.8|~3.0|~4.0.0",
-        "symfony/yaml": "~2.8|~3.0|~4.0.0",
-        "symfony/security": "~2.8|~3.0|~4.0.0",
+        "symfony/routing": "~3.4|~4.0",
+        "symfony/templating": "~3.4|~4.0",
+        "symfony/translation": "~3.4|~4.0",
+        "symfony/yaml": "~3.4|~4.0",
+        "symfony/security": "~3.4|~4.0",
        "symfony/security-acl": "~2.8|~3.0",
-        "symfony/stopwatch": "~2.8|~3.0|~4.0.0",
-        "symfony/console": "~2.8|~3.0|~4.0.0",
-        "symfony/var-dumper": "~2.8.10|~3.1.4|~3.2|~4.0.0",
-        "symfony/expression-language": "~2.8|~3.0|~4.0.0",
-        "symfony/web-link": "~3.3|~4.0.0"
+        "symfony/stopwatch": "~3.4|~4.0",
+        "symfony/console": "~3.4|~4.0",
+        "symfony/var-dumper": "~3.4|~4.0",
+        "symfony/expression-language": "~3.4|~4.0",
+        "symfony/web-link": "~3.4|~4.0"
    },
    "suggest": {
        "symfony/finder": "",
--- a/src/Symfony/Bundle/DebugBundle/composer.json
+++ b/src/Symfony/Bundle/DebugBundle/composer.json
@ -16,15 +16,15 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/http-kernel": "~2.8|~3.0|~4.0.0",
-        "symfony/twig-bridge": "~2.8|~3.0|~4.0.0",
-        "symfony/var-dumper": "~2.8|~3.0|~4.0.0"
+        "php": "^7.1.3",
+        "symfony/http-kernel": "~3.4|~4.0",
+        "symfony/twig-bridge": "~3.4|~4.0",
+        "symfony/var-dumper": "~3.4|~4.0"
    },
    "require-dev": {
-        "symfony/config": "~3.3|~4.0.0",
-        "symfony/dependency-injection": "~3.3|~4.0.0",
-        "symfony/web-profiler-bundle": "~2.8|~3.0|~4.0.0"
+        "symfony/config": "~3.4|~4.0",
+        "symfony/dependency-injection": "~3.4|~4.0",
+        "symfony/web-profiler-bundle": "~3.4|~4.0"
    },
    "suggest": {
        "symfony/config": "For service container configuration",
--- a/src/Symfony/Bundle/FrameworkBundle/composer.json
+++ b/src/Symfony/Bundle/FrameworkBundle/composer.json
@ -16,44 +16,44 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "ext-xml": "*",
-        "symfony/cache": "~3.3|~4.0.0",
-        "symfony/class-loader": "~3.2",
-        "symfony/dependency-injection": "~3.3-beta2|~4.0.0",
-        "symfony/config": "~3.3|~4.0.0",
-        "symfony/event-dispatcher": "~3.3|~4.0.0",
-        "symfony/http-foundation": "~3.3|~4.0.0",
-        "symfony/http-kernel": "~3.3|~4.0.0",
+        "symfony/cache": "~3.4|~4.0",
+        "symfony/class-loader": "~3.4|~4.0",
+        "symfony/dependency-injection": "~3.4|~4.0",
+        "symfony/config": "~3.4|~4.0",
+        "symfony/event-dispatcher": "~3.4|~4.0",
+        "symfony/http-foundation": "~3.4|~4.0",
+        "symfony/http-kernel": "~3.4|~4.0",
        "symfony/polyfill-mbstring": "~1.0",
-        "symfony/filesystem": "~2.8|~3.0|~4.0.0",
-        "symfony/finder": "~2.8|~3.0|~4.0.0",
-        "symfony/routing": "~3.3|~4.0.0",
-        "symfony/stopwatch": "~2.8|~3.0|~4.0.0",
+        "symfony/filesystem": "~3.4|~4.0",
+        "symfony/finder": "~3.4|~4.0",
+        "symfony/routing": "~3.4|~4.0",
+        "symfony/stopwatch": "~3.4|~4.0",
        "doctrine/cache": "~1.0"
    },
    "require-dev": {
        "fig/link-util": "^1.0",
-        "symfony/asset": "~3.3|~4.0.0",
-        "symfony/browser-kit": "~2.8|~3.0|~4.0.0",
-        "symfony/console": "~3.3|~4.0.0",
-        "symfony/css-selector": "~2.8|~3.0|~4.0.0",
-        "symfony/dom-crawler": "~2.8|~3.0|~4.0.0",
+        "symfony/asset": "~3.4|~4.0",
+        "symfony/browser-kit": "~3.4|~4.0",
+        "symfony/console": "~3.4|~4.0",
+        "symfony/css-selector": "~3.4|~4.0",
+        "symfony/dom-crawler": "~3.4|~4.0",
        "symfony/polyfill-intl-icu": "~1.0",
-        "symfony/security": "~2.8|~3.0|~4.0.0",
-        "symfony/form": "~3.3|~4.0.0",
-        "symfony/expression-language": "~2.8|~3.0|~4.0.0",
-        "symfony/process": "~2.8|~3.0|~4.0.0",
-        "symfony/security-core": "~3.2|~4.0.0",
-        "symfony/security-csrf": "~2.8|~3.0|~4.0.0",
-        "symfony/serializer": "~3.3|~4.0.0",
-        "symfony/translation": "~3.2|~4.0.0",
-        "symfony/templating": "~2.8|~3.0|~4.0.0",
-        "symfony/validator": "~3.3|~4.0.0",
-        "symfony/workflow": "~3.3|~4.0.0",
-        "symfony/yaml": "~3.2|~4.0.0",
-        "symfony/property-info": "~3.3|~4.0.0",
-        "symfony/web-link": "~3.3|~4.0.0",
+        "symfony/security": "~3.4|~4.0",
+        "symfony/form": "~3.4|~4.0",
+        "symfony/expression-language": "~3.4|~4.0",
+        "symfony/process": "~3.4|~4.0",
+        "symfony/security-core": "~3.4|~4.0",
+        "symfony/security-csrf": "~3.4|~4.0",
+        "symfony/serializer": "~3.4|~4.0",
+        "symfony/translation": "~3.4|~4.0",
+        "symfony/templating": "~3.4|~4.0",
+        "symfony/validator": "~3.4|~4.0",
+        "symfony/workflow": "~3.4|~4.0",
+        "symfony/yaml": "~3.4|~4.0",
+        "symfony/property-info": "~3.4|~4.0",
+        "symfony/web-link": "~3.4|~4.0",
        "doctrine/annotations": "~1.0",
        "phpdocumentor/reflection-docblock": "^3.0",
        "twig/twig": "~1.26|~2.0",
@ -63,14 +63,14 @@
        "phpdocumentor/reflection-docblock": "<3.0",
        "phpdocumentor/type-resolver": "<0.2.0",
        "phpunit/phpunit": "<4.8.35|<5.4.3,>=5.0",
-        "symfony/asset": "<3.3",
-        "symfony/console": "<3.3",
-        "symfony/form": "<3.3",
-        "symfony/property-info": "<3.3",
-        "symfony/serializer": "<3.3",
-        "symfony/translation": "<3.2",
-        "symfony/validator": "<3.3",
-        "symfony/workflow": "<3.3"
+        "symfony/asset": "<3.4",
+        "symfony/console": "<3.4",
+        "symfony/form": "<3.4",
+        "symfony/property-info": "<3.4",
+        "symfony/serializer": "<3.4",
+        "symfony/translation": "<3.4",
+        "symfony/validator": "<3.4",
+        "symfony/workflow": "<3.4"
    },
    "suggest": {
        "ext-apcu": "For best performance of the system caches",
--- a/src/Symfony/Bundle/SecurityBundle/composer.json
+++ b/src/Symfony/Bundle/SecurityBundle/composer.json
@ -16,35 +16,34 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/security": "~3.3|~4.0.0",
-        "symfony/dependency-injection": "~3.3-beta2|~4.0.0",
-        "symfony/http-kernel": "~3.3|~4.0.0",
-        "symfony/polyfill-php70": "~1.0"
+        "php": "^7.1.3",
+        "symfony/security": "~3.4|~4.0",
+        "symfony/dependency-injection": "~3.4|~4.0",
+        "symfony/http-kernel": "~3.4|~4.0"
    },
    "require-dev": {
-        "symfony/asset": "~2.8|~3.0|~4.0.0",
-        "symfony/browser-kit": "~2.8|~3.0|~4.0.0",
-        "symfony/console": "~3.2|~4.0.0",
-        "symfony/css-selector": "~2.8|~3.0|~4.0.0",
-        "symfony/dom-crawler": "~2.8|~3.0|~4.0.0",
-        "symfony/form": "^2.8.18|^3.2.5|~4.0.0",
-        "symfony/framework-bundle": "^3.2.8|~4.0.0",
-        "symfony/http-foundation": "~2.8|~3.0|~4.0.0",
+        "symfony/asset": "~3.4|~4.0",
+        "symfony/browser-kit": "~3.4|~4.0",
+        "symfony/console": "~3.4|~4.0",
+        "symfony/css-selector": "~3.4|~4.0",
+        "symfony/dom-crawler": "~3.4|~4.0",
+        "symfony/form": "~3.4|~4.0",
+        "symfony/framework-bundle": "~3.4|~4.0",
+        "symfony/http-foundation": "~3.4|~4.0",
        "symfony/security-acl": "~2.8|~3.0",
-        "symfony/translation": "~2.8|~3.0|~4.0.0",
-        "symfony/twig-bundle": "~2.8|~3.0|~4.0.0",
-        "symfony/twig-bridge": "~2.8|~3.0|~4.0.0",
-        "symfony/process": "~2.8|~3.0|~4.0.0",
-        "symfony/validator": "^3.2.5|~4.0.0",
-        "symfony/var-dumper": "~3.3|~4.0.0",
-        "symfony/yaml": "~2.8|~3.0|~4.0.0",
-        "symfony/expression-language": "~2.8|~3.0|~4.0.0",
+        "symfony/translation": "~3.4|~4.0",
+        "symfony/twig-bundle": "~3.4|~4.0",
+        "symfony/twig-bridge": "~3.4|~4.0",
+        "symfony/process": "~3.4|~4.0",
+        "symfony/validator": "~3.4|~4.0",
+        "symfony/var-dumper": "~3.4|~4.0",
+        "symfony/yaml": "~3.4|~4.0",
+        "symfony/expression-language": "~3.4|~4.0",
        "doctrine/doctrine-bundle": "~1.4",
        "twig/twig": "~1.28|~2.0"
    },
    "conflict": {
-        "symfony/var-dumper": "<3.3"
+        "symfony/var-dumper": "<3.4"
    },
    "suggest": {
        "symfony/security-acl": "For using the ACL functionality of this bundle"
--- a/src/Symfony/Bundle/TwigBundle/composer.json
+++ b/src/Symfony/Bundle/TwigBundle/composer.json
@ -16,7 +16,7 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "symfony/config": "~3.2",
        "symfony/twig-bridge": "^3.3",
        "symfony/http-foundation": "~2.8|~3.0",
@ -24,21 +24,21 @@
        "twig/twig": "^1.32|^2.2"
    },
    "require-dev": {
-        "symfony/asset": "~2.8|~3.0|~4.0.0",
-        "symfony/stopwatch": "~2.8|~3.0|~4.0.0",
-        "symfony/dependency-injection": "~3.3|~4.0.0",
-        "symfony/expression-language": "~2.8|~3.0|~4.0.0",
-        "symfony/finder": "~2.8|~3.0|~4.0.0",
-        "symfony/form": "~2.8|~3.0|~4.0.0",
-        "symfony/routing": "~2.8|~3.0|~4.0.0",
-        "symfony/templating": "~2.8|~3.0|~4.0.0",
-        "symfony/yaml": "~2.8|~3.0|~4.0.0",
-        "symfony/framework-bundle": "^3.2.8|~4.0.0",
-        "symfony/web-link": "~3.3|~4.0.0",
+        "symfony/asset": "~3.4|~4.0",
+        "symfony/stopwatch": "~3.4|~4.0",
+        "symfony/dependency-injection": "~3.4|~4.0",
+        "symfony/expression-language": "~3.4|~4.0",
+        "symfony/finder": "~3.4|~4.0",
+        "symfony/form": "~3.4|~4.0",
+        "symfony/routing": "~3.4|~4.0",
+        "symfony/templating": "~3.4|~4.0",
+        "symfony/yaml": "~3.4|~4.0",
+        "symfony/framework-bundle": "~3.4|~4.0",
+        "symfony/web-link": "~3.4|~4.0",
        "doctrine/annotations": "~1.0"
    },
    "conflict": {
-        "symfony/dependency-injection": "<3.3"
+        "symfony/dependency-injection": "<3.4"
    },
    "autoload": {
        "psr-4": { "Symfony\\Bundle\\TwigBundle\\": "" },
--- a/src/Symfony/Bundle/WebProfilerBundle/composer.json
+++ b/src/Symfony/Bundle/WebProfilerBundle/composer.json
@ -16,24 +16,23 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/http-kernel": "~3.2|~4.0.0",
-        "symfony/polyfill-php70": "~1.0",
-        "symfony/routing": "~2.8|~3.0|~4.0.0",
-        "symfony/twig-bridge": "~2.8|~3.0|~4.0.0",
-        "twig/twig": "~1.28|~2.0",
-        "symfony/var-dumper": "~3.3|~4.0.0"
+        "php": "^7.1.3",
+        "symfony/http-kernel": "~3.4|~4.0",
+        "symfony/routing": "~3.4|~4.0",
+        "symfony/twig-bridge": "~3.4|~4.0",
+        "symfony/var-dumper": "~3.4|~4.0",
+        "twig/twig": "~1.28|~2.0"
    },
    "require-dev": {
-        "symfony/config": "~2.8|~3.0|~4.0.0",
-        "symfony/console": "~2.8|~3.0|~4.0.0",
-        "symfony/dependency-injection": "~3.3|~4.0.0",
-        "symfony/stopwatch": "~2.8|~3.0|~4.0.0"
+        "symfony/config": "~3.4|~4.0",
+        "symfony/console": "~3.4|~4.0",
+        "symfony/dependency-injection": "~3.4|~4.0",
+        "symfony/stopwatch": "~3.4|~4.0"
    },
    "conflict": {
-        "symfony/dependency-injection": "<3.3",
-        "symfony/event-dispatcher": "<3.2",
-        "symfony/var-dumper": "<3.3"
+        "symfony/dependency-injection": "<3.4",
+        "symfony/event-dispatcher": "<3.4",
+        "symfony/var-dumper": "<3.4"
    },
    "autoload": {
        "psr-4": { "Symfony\\Bundle\\WebProfilerBundle\\": "" },
--- a/src/Symfony/Bundle/WebServerBundle/composer.json
+++ b/src/Symfony/Bundle/WebServerBundle/composer.json
@ -16,10 +16,10 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/console": "~2.8.8|~3.0.8|~3.1.2|~3.2|~4.0.0",
-        "symfony/http-kernel": "~2.8|~3.0|~4.0.0",
-        "symfony/process": "~2.8|~3.0|~4.0.0"
+        "php": "^7.1.3",
+        "symfony/console": "~3.4|~4.0",
+        "symfony/http-kernel": "~3.4|~4.0",
+        "symfony/process": "~3.4|~4.0"
    },
    "autoload": {
        "psr-4": { "Symfony\\Bundle\\WebServerBundle\\": "" },
@ -28,7 +28,7 @@
        ]
    },
    "conflict": {
-        "symfony/dependency-injection": "<3.3"
+        "symfony/dependency-injection": "<3.4"
    },
    "minimum-stability": "dev",
    "extra": {
--- a/src/Symfony/Component/Asset/composer.json
+++ b/src/Symfony/Component/Asset/composer.json
@ -16,14 +16,14 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9"
+        "php": "^7.1.3"
    },
    "suggest": {
        "symfony/http-foundation": ""
    },
    "require-dev": {
-        "symfony/http-foundation": "~2.8|~3.0|~4.0.0",
-        "symfony/http-kernel": "~2.8|~3.0|~4.0.0"
+        "symfony/http-foundation": "~3.4|~4.0",
+        "symfony/http-kernel": "~3.4|~4.0"
    },
    "autoload": {
        "psr-4": { "Symfony\\Component\\Asset\\": "" },
--- a/src/Symfony/Component/BrowserKit/composer.json
+++ b/src/Symfony/Component/BrowserKit/composer.json
@ -16,12 +16,12 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/dom-crawler": "~2.8|~3.0|~4.0.0"
+        "php": "^7.1.3",
+        "symfony/dom-crawler": "~3.4|~4.0"
    },
    "require-dev": {
-        "symfony/process": "~2.8|~3.0|~4.0.0",
-        "symfony/css-selector": "~2.8|~3.0|~4.0.0"
+        "symfony/process": "~3.4|~4.0",
+        "symfony/css-selector": "~3.4|~4.0"
    },
    "suggest": {
        "symfony/process": ""
--- a/src/Symfony/Component/Cache/composer.json
+++ b/src/Symfony/Component/Cache/composer.json
@ -20,7 +20,7 @@
        "psr/simple-cache-implementation": "1.0"
    },
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "psr/cache": "~1.0",
        "psr/log": "~1.0",
        "psr/simple-cache": "^1.0"
@ -32,7 +32,7 @@
        "predis/predis": "~1.0"
    },
    "conflict": {
-        "symfony/var-dumper": "<3.3"
+        "symfony/var-dumper": "<3.4"
    },
    "suggest": {
        "symfony/polyfill-apcu": "For using ApcuAdapter on HHVM"
--- a/src/Symfony/Component/ClassLoader/composer.json
+++ b/src/Symfony/Component/ClassLoader/composer.json
@ -17,10 +17,10 @@
    ],
    "minimum-stability": "dev",
    "require": {
-        "php": ">=5.5.9"
+        "php": "^7.1.3"
    },
    "require-dev": {
-        "symfony/finder": "~2.8|~3.0|~4.0.0",
+        "symfony/finder": "~3.4|~4.0",
        "symfony/polyfill-apcu": "~1.1"
    },
    "suggest": {
--- a/src/Symfony/Component/Config/composer.json
+++ b/src/Symfony/Component/Config/composer.json
@ -16,15 +16,15 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/filesystem": "~2.8|~3.0|~4.0.0"
+        "php": "^7.1.3",
+        "symfony/filesystem": "~3.4|~4.0"
    },
    "require-dev": {
-        "symfony/yaml": "~3.0|~4.0.0",
-        "symfony/dependency-injection": "~3.3|~4.0.0"
+        "symfony/yaml": "~3.4|~4.0",
+        "symfony/dependency-injection": "~3.4|~4.0"
    },
    "conflict": {
-        "symfony/dependency-injection": "<3.3"
+        "symfony/dependency-injection": "<3.4"
    },
    "suggest": {
        "symfony/yaml": "To use the yaml reference dumper"
--- a/src/Symfony/Component/Console/composer.json
+++ b/src/Symfony/Component/Console/composer.json
@ -16,16 +16,16 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "symfony/polyfill-mbstring": "~1.0",
-        "symfony/debug": "~2.8|~3.0|~4.0.0"
+        "symfony/debug": "~3.4|~4.0"
    },
    "require-dev": {
-        "symfony/http-kernel": "~2.8|~3.0|~4.0.0",
-        "symfony/event-dispatcher": "~2.8|~3.0|~4.0.0",
-        "symfony/dependency-injection": "~3.3|~4.0.0",
-        "symfony/filesystem": "~2.8|~3.0|~4.0.0",
-        "symfony/process": "~2.8|~3.0|~4.0.0",
+        "symfony/http-kernel": "~3.4|~4.0",
+        "symfony/event-dispatcher": "~3.4|~4.0",
+        "symfony/dependency-injection": "~3.4|~4.0",
+        "symfony/filesystem": "~3.4|~4.0",
+        "symfony/process": "~3.4|~4.0",
        "psr/log": "~1.0"
    },
    "suggest": {
@ -35,7 +35,7 @@
        "psr/log": "For using the console logger"
    },
    "conflict": {
-        "symfony/dependency-injection": "<3.3"
+        "symfony/dependency-injection": "<3.4"
    },
    "autoload": {
        "psr-4": { "Symfony\\Component\\Console\\": "" },
--- a/src/Symfony/Component/CssSelector/composer.json
+++ b/src/Symfony/Component/CssSelector/composer.json
@ -20,7 +20,7 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9"
+        "php": "^7.1.3"
    },
    "autoload": {
        "psr-4": { "Symfony\\Component\\CssSelector\\": "" },
--- a/src/Symfony/Component/Debug/composer.json
+++ b/src/Symfony/Component/Debug/composer.json
@ -16,14 +16,14 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "psr/log": "~1.0"
    },
    "conflict": {
-        "symfony/http-kernel": ">=2.3,<2.3.24|~2.4.0|>=2.5,<2.5.9|>=2.6,<2.6.2"
+        "symfony/http-kernel": "<3.4"
    },
    "require-dev": {
-        "symfony/http-kernel": "~2.8|~3.0|~4.0.0"
+        "symfony/http-kernel": "~3.4|~4.0"
    },
    "autoload": {
        "psr-4": { "Symfony\\Component\\Debug\\": "" },
--- a/src/Symfony/Component/DependencyInjection/composer.json
+++ b/src/Symfony/Component/DependencyInjection/composer.json
@ -16,13 +16,13 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "psr/container": "^1.0"
    },
    "require-dev": {
-        "symfony/yaml": "~3.3|~4.0.0",
-        "symfony/config": "~3.3|~4.0.0",
-        "symfony/expression-language": "~2.8|~3.0|~4.0.0"
+        "symfony/yaml": "~3.4|~4.0",
+        "symfony/config": "~3.4|~4.0",
+        "symfony/expression-language": "~3.4|~4.0"
    },
    "suggest": {
        "symfony/yaml": "",
@ -32,9 +32,9 @@
        "symfony/proxy-manager-bridge": "Generate service proxies to lazy load them"
    },
    "conflict": {
-        "symfony/config": "<=3.3-beta1",
-        "symfony/finder": "<3.3",
-        "symfony/yaml": "<3.3"
+        "symfony/config": "<3.4",
+        "symfony/finder": "<3.4",
+        "symfony/yaml": "<3.4"
    },
    "provide": {
        "psr/container-implementation": "1.0"
--- a/src/Symfony/Component/DomCrawler/composer.json
+++ b/src/Symfony/Component/DomCrawler/composer.json
@ -16,11 +16,11 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "symfony/polyfill-mbstring": "~1.0"
    },
    "require-dev": {
-        "symfony/css-selector": "~2.8|~3.0|~4.0.0"
+        "symfony/css-selector": "~3.4|~4.0"
    },
    "suggest": {
        "symfony/css-selector": ""
--- a/src/Symfony/Component/Dotenv/composer.json
+++ b/src/Symfony/Component/Dotenv/composer.json
@ -16,10 +16,10 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9"
+        "php": "^7.1.3"
    },
    "require-dev": {
-        "symfony/process": "~3.2|~4.0.0"
+        "symfony/process": "~3.4|~4.0"
    },
    "autoload": {
        "psr-4": { "Symfony\\Component\\Dotenv\\": "" },
--- a/src/Symfony/Component/EventDispatcher/composer.json
+++ b/src/Symfony/Component/EventDispatcher/composer.json
@ -16,17 +16,17 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9"
+        "php": "^7.1.3"
    },
    "require-dev": {
-        "symfony/dependency-injection": "~3.3|~4.0.0",
-        "symfony/expression-language": "~2.8|~3.0|~4.0.0",
-        "symfony/config": "~2.8|~3.0|~4.0.0",
-        "symfony/stopwatch": "~2.8|~3.0|~4.0.0",
+        "symfony/dependency-injection": "~3.4|~4.0",
+        "symfony/expression-language": "~3.4|~4.0",
+        "symfony/config": "~3.4|~4.0",
+        "symfony/stopwatch": "~3.4|~4.0",
        "psr/log": "~1.0"
    },
    "conflict": {
-        "symfony/dependency-injection": "<3.3"
+        "symfony/dependency-injection": "<3.4"
    },
    "suggest": {
        "symfony/dependency-injection": "",
--- a/src/Symfony/Component/ExpressionLanguage/composer.json
+++ b/src/Symfony/Component/ExpressionLanguage/composer.json
@ -16,8 +16,8 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/cache": "~3.1|~4.0.0"
+        "php": "^7.1.3",
+        "symfony/cache": "~3.4|~4.0"
    },
    "autoload": {
        "psr-4": { "Symfony\\Component\\ExpressionLanguage\\": "" },
--- a/src/Symfony/Component/Filesystem/composer.json
+++ b/src/Symfony/Component/Filesystem/composer.json
@ -16,7 +16,7 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9"
+        "php": "^7.1.3"
    },
    "autoload": {
        "psr-4": { "Symfony\\Component\\Filesystem\\": "" },
--- a/src/Symfony/Component/Finder/composer.json
+++ b/src/Symfony/Component/Finder/composer.json
@ -16,7 +16,7 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9"
+        "php": "^7.1.3"
    },
    "autoload": {
        "psr-4": { "Symfony\\Component\\Finder\\": "" },
--- a/src/Symfony/Component/Form/composer.json
+++ b/src/Symfony/Component/Form/composer.json
@ -16,31 +16,31 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/event-dispatcher": "~2.8|~3.0|~4.0.0",
-        "symfony/intl": "^2.8.18|^3.2.5|~4.0.0",
-        "symfony/options-resolver": "~2.8|~3.0|~4.0.0",
+        "php": "^7.1.3",
+        "symfony/event-dispatcher": "~3.4|~4.0",
+        "symfony/intl": "~3.4|~4.0",
+        "symfony/options-resolver": "~3.4|~4.0",
        "symfony/polyfill-mbstring": "~1.0",
-        "symfony/property-access": "~2.8|~3.0|~4.0.0"
+        "symfony/property-access": "~3.4|~4.0"
    },
    "require-dev": {
        "doctrine/collections": "~1.0",
-        "symfony/validator": "^2.8.18|^3.2.5|~4.0.0",
-        "symfony/dependency-injection": "~3.3|~4.0.0",
-        "symfony/config": "~2.7|~3.0|~4.0.0",
-        "symfony/http-foundation": "~2.8|~3.0|~4.0.0",
-        "symfony/http-kernel": "~2.8|~3.0|~4.0.0",
-        "symfony/security-csrf": "~2.8|~3.0|~4.0.0",
-        "symfony/translation": "~2.8|~3.0|~4.0.0",
-        "symfony/var-dumper": "~3.3|~4.0.0"
+        "symfony/validator": "~3.4|~4.0",
+        "symfony/dependency-injection": "~3.4|~4.0",
+        "symfony/config": "~3.4|~4.0",
+        "symfony/http-foundation": "~3.4|~4.0",
+        "symfony/http-kernel": "~3.4|~4.0",
+        "symfony/security-csrf": "~3.4|~4.0",
+        "symfony/translation": "~3.4|~4.0",
+        "symfony/var-dumper": "~3.4|~4.0"
    },
    "conflict": {
        "phpunit/phpunit": "<4.8.35|<5.4.3,>=5.0",
-        "symfony/dependency-injection": "<3.3",
-        "symfony/doctrine-bridge": "<2.7",
-        "symfony/framework-bundle": "<2.7",
-        "symfony/twig-bridge": "<2.7",
-        "symfony/var-dumper": "<3.3"
+        "symfony/dependency-injection": "<3.4",
+        "symfony/doctrine-bridge": "<3.4",
+        "symfony/framework-bundle": "<3.4",
+        "symfony/twig-bridge": "<3.4",
+        "symfony/var-dumper": "<3.4"
    },
    "suggest": {
        "symfony/validator": "For form validation.",
--- a/src/Symfony/Component/HttpFoundation/composer.json
+++ b/src/Symfony/Component/HttpFoundation/composer.json
@ -16,11 +16,11 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "symfony/polyfill-mbstring": "~1.1"
    },
    "require-dev": {
-        "symfony/expression-language": "~2.8|~3.0|~4.0.0"
+        "symfony/expression-language": "~3.4|~4.0"
    },
    "autoload": {
        "psr-4": { "Symfony\\Component\\HttpFoundation\\": "" },
--- a/src/Symfony/Component/HttpKernel/Kernel.php
+++ b/src/Symfony/Component/HttpKernel/Kernel.php
@ -63,7 +63,7 @@ abstract class Kernel implements KernelInterface, TerminableInterface

    const VERSION = '4.0.0-DEV';
    const VERSION_ID = 40000;
-    const MAJOR_VERSION = 4;
+    const MAJOR_VERSION = 0;
    const MINOR_VERSION = 0;
    const RELEASE_VERSION = 0;
    const EXTRA_VERSION = 'DEV';
--- a/src/Symfony/Component/HttpKernel/composer.json
+++ b/src/Symfony/Component/HttpKernel/composer.json
@ -16,34 +16,34 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/event-dispatcher": "~2.8|~3.0|~4.0.0",
-        "symfony/http-foundation": "~3.3|~4.0.0",
-        "symfony/debug": "~2.8|~3.0|~4.0.0",
+        "php": "^7.1.3",
+        "symfony/event-dispatcher": "~3.4|~4.0",
+        "symfony/http-foundation": "~3.4|~4.0",
+        "symfony/debug": "~3.4|~4.0",
        "psr/log": "~1.0"
    },
    "require-dev": {
-        "symfony/browser-kit": "~2.8|~3.0|~4.0.0",
-        "symfony/class-loader": "~2.8|~3.0",
-        "symfony/config": "~2.8|~3.0|~4.0.0",
-        "symfony/console": "~2.8|~3.0|~4.0.0",
-        "symfony/css-selector": "~2.8|~3.0|~4.0.0",
-        "symfony/dependency-injection": "~3.3|~4.0.0",
-        "symfony/dom-crawler": "~2.8|~3.0|~4.0.0",
-        "symfony/expression-language": "~2.8|~3.0|~4.0.0",
-        "symfony/finder": "~2.8|~3.0|~4.0.0",
-        "symfony/process": "~2.8|~3.0|~4.0.0",
-        "symfony/routing": "~2.8|~3.0|~4.0.0",
-        "symfony/stopwatch": "~2.8|~3.0|~4.0.0",
-        "symfony/templating": "~2.8|~3.0|~4.0.0",
-        "symfony/translation": "~2.8|~3.0|~4.0.0",
-        "symfony/var-dumper": "~3.3|~4.0.0",
+        "symfony/browser-kit": "~3.4|~4.0",
+        "symfony/class-loader": "~3.4|~4.0",
+        "symfony/config": "~3.4|~4.0",
+        "symfony/console": "~3.4|~4.0",
+        "symfony/css-selector": "~3.4|~4.0",
+        "symfony/dependency-injection": "~3.4|~4.0",
+        "symfony/dom-crawler": "~3.4|~4.0",
+        "symfony/expression-language": "~3.4|~4.0",
+        "symfony/finder": "~3.4|~4.0",
+        "symfony/process": "~3.4|~4.0",
+        "symfony/routing": "~3.4|~4.0",
+        "symfony/stopwatch": "~3.4|~4.0",
+        "symfony/templating": "~3.4|~4.0",
+        "symfony/translation": "~3.4|~4.0",
+        "symfony/var-dumper": "~3.4|~4.0",
        "psr/cache": "~1.0"
    },
    "conflict": {
-        "symfony/config": "<2.8",
-        "symfony/dependency-injection": "<3.3",
-        "symfony/var-dumper": "<3.3"
+        "symfony/config": "<3.4",
+        "symfony/dependency-injection": "<3.4",
+        "symfony/var-dumper": "<3.4"
    },
    "suggest": {
        "symfony/browser-kit": "",
--- a/src/Symfony/Component/Inflector/composer.json
+++ b/src/Symfony/Component/Inflector/composer.json
@ -23,7 +23,7 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9"
+        "php": "^7.1.3"
    },
    "autoload": {
        "psr-4": { "Symfony\\Component\\Inflector\\": "" },
--- a/src/Symfony/Component/Intl/composer.json
+++ b/src/Symfony/Component/Intl/composer.json
@ -24,11 +24,11 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "symfony/polyfill-intl-icu": "~1.0"
    },
    "require-dev": {
-        "symfony/filesystem": "~2.8|~3.0|~4.0.0"
+        "symfony/filesystem": "~3.4|~4.0"
    },
    "suggest": {
        "ext-intl": "to use the component with locales other than \"en\""
--- a/src/Symfony/Component/Ldap/composer.json
+++ b/src/Symfony/Component/Ldap/composer.json
@ -16,9 +16,8 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/polyfill-php56": "~1.0",
-        "symfony/options-resolver": "~2.8|~3.0|~4.0.0",
+        "php": "^7.1.3",
+        "symfony/options-resolver": "~3.4|~4.0",
        "ext-ldap": "*"
    },
    "autoload": {
--- a/src/Symfony/Component/OptionsResolver/composer.json
+++ b/src/Symfony/Component/OptionsResolver/composer.json
@ -16,7 +16,7 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9"
+        "php": "^7.1.3"
    },
    "autoload": {
        "psr-4": { "Symfony\\Component\\OptionsResolver\\": "" },
--- a/src/Symfony/Component/Process/composer.json
+++ b/src/Symfony/Component/Process/composer.json
@ -16,7 +16,7 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9"
+        "php": "^7.1.3"
    },
    "autoload": {
        "psr-4": { "Symfony\\Component\\Process\\": "" },
--- a/src/Symfony/Component/PropertyAccess/composer.json
+++ b/src/Symfony/Component/PropertyAccess/composer.json
@ -16,12 +16,11 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/polyfill-php70": "~1.0",
-        "symfony/inflector": "~3.1|~4.0.0"
+        "php": "^7.1.3",
+        "symfony/inflector": "~3.4|~4.0"
    },
    "require-dev": {
-        "symfony/cache": "~3.1|~4.0.0"
+        "symfony/cache": "~3.4|~4.0"
    },
    "suggest": {
        "psr/cache-implementation": "To cache access methods."
--- a/src/Symfony/Component/PropertyInfo/composer.json
+++ b/src/Symfony/Component/PropertyInfo/composer.json
@ -23,20 +23,20 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/inflector": "~3.1|~4.0.0"
+        "php": "^7.1.3",
+        "symfony/inflector": "~3.4|~4.0"
    },
    "require-dev": {
-        "symfony/serializer": "~2.8|~3.0|~4.0.0",
-        "symfony/cache": "~3.1|~4.0.0",
-        "symfony/dependency-injection": "~3.3|~4.0.0",
+        "symfony/serializer": "~3.4|~4.0",
+        "symfony/cache": "~3.4|~4.0",
+        "symfony/dependency-injection": "~3.4|~4.0",
        "phpdocumentor/reflection-docblock": "^3.0",
        "doctrine/annotations": "~1.0"
    },
    "conflict": {
        "phpdocumentor/reflection-docblock": "<3.0",
        "phpdocumentor/type-resolver": "<0.2.0",
-        "symfony/dependency-injection": "<3.3"
+        "symfony/dependency-injection": "<3.4"
    },
    "suggest": {
        "psr/cache-implementation": "To cache results",
--- a/src/Symfony/Component/Routing/composer.json
+++ b/src/Symfony/Component/Routing/composer.json
@ -16,22 +16,22 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9"
+        "php": "^7.1.3"
    },
    "require-dev": {
-        "symfony/config": "~2.8|~3.0|~4.0.0",
-        "symfony/http-foundation": "~2.8|~3.0|~4.0.0",
-        "symfony/yaml": "~3.3|~4.0.0",
-        "symfony/expression-language": "~2.8|~3.0|~4.0.0",
-        "symfony/dependency-injection": "~3.3|~4.0.0",
+        "symfony/config": "~3.4|~4.0",
+        "symfony/http-foundation": "~3.4|~4.0",
+        "symfony/yaml": "~3.4|~4.0",
+        "symfony/expression-language": "~3.4|~4.0",
+        "symfony/dependency-injection": "~3.4|~4.0",
        "doctrine/annotations": "~1.0",
        "doctrine/common": "~2.2",
        "psr/log": "~1.0"
    },
    "conflict": {
-        "symfony/config": "<2.8",
-        "symfony/dependency-injection": "<3.3",
-        "symfony/yaml": "<3.3"
+        "symfony/config": "<3.4",
+        "symfony/dependency-injection": "<3.4",
+        "symfony/yaml": "<3.4"
    },
    "suggest": {
        "symfony/http-foundation": "For using a Symfony Request object",
--- a/src/Symfony/Component/Security/Core/composer.json
+++ b/src/Symfony/Component/Security/Core/composer.json
@ -16,15 +16,14 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/polyfill-php56": "~1.0"
+        "php": "^7.1.3"
    },
    "require-dev": {
-        "symfony/event-dispatcher": "~2.8|~3.0|~4.0.0",
-        "symfony/expression-language": "~2.8|~3.0|~4.0.0",
-        "symfony/http-foundation": "~2.8|~3.0|~4.0.0",
-        "symfony/ldap": "~3.1|~4.0.0",
-        "symfony/validator": "^2.8.18|^3.2.5|~4.0.0",
+        "symfony/event-dispatcher": "~3.4|~4.0",
+        "symfony/expression-language": "~3.4|~4.0",
+        "symfony/http-foundation": "~3.4|~4.0",
+        "symfony/ldap": "~3.4|~4.0",
+        "symfony/validator": "~3.4|~4.0",
        "psr/log": "~1.0"
    },
    "suggest": {
--- a/src/Symfony/Component/Security/Csrf/composer.json
+++ b/src/Symfony/Component/Security/Csrf/composer.json
@ -16,13 +16,11 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/polyfill-php56": "~1.0",
-        "symfony/polyfill-php70": "~1.0",
-        "symfony/security-core": "~2.8|~3.0|~4.0.0"
+        "php": "^7.1.3",
+        "symfony/security-core": "~3.4|~4.0"
    },
    "require-dev": {
-        "symfony/http-foundation": "~2.8|~3.0|~4.0.0"
+        "symfony/http-foundation": "~3.4|~4.0"
    },
    "suggest": {
        "symfony/http-foundation": "For using the class SessionTokenStorage."
--- a/src/Symfony/Component/Security/Guard/composer.json
+++ b/src/Symfony/Component/Security/Guard/composer.json
@ -16,9 +16,9 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/security-core": "~2.8|~3.0|~4.0.0",
-        "symfony/security-http": "~3.1|~4.0.0"
+        "php": "^7.1.3",
+        "symfony/security-core": "~3.4|~4.0",
+        "symfony/security-http": "~3.4|~4.0"
    },
    "require-dev": {
        "psr/log": "~1.0"
--- a/src/Symfony/Component/Security/Http/composer.json
+++ b/src/Symfony/Component/Security/Http/composer.json
@ -16,18 +16,16 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/security-core": "~3.2|~4.0.0",
-        "symfony/event-dispatcher": "~2.8|~3.0|~4.0.0",
-        "symfony/http-foundation": "~2.8|~3.0|~4.0.0",
-        "symfony/http-kernel": "~3.3|~4.0.0",
-        "symfony/polyfill-php56": "~1.0",
-        "symfony/polyfill-php70": "~1.0",
-        "symfony/property-access": "~2.8|~3.0|~4.0.0"
+        "php": "^7.1.3",
+        "symfony/security-core": "~3.4|~4.0",
+        "symfony/event-dispatcher": "~3.4|~4.0",
+        "symfony/http-foundation": "~3.4|~4.0",
+        "symfony/http-kernel": "~3.4|~4.0",
+        "symfony/property-access": "~3.4|~4.0"
    },
    "require-dev": {
-        "symfony/routing": "~2.8|~3.0|~4.0.0",
-        "symfony/security-csrf": "~2.8|~3.0|~4.0.0",
+        "symfony/routing": "~3.4|~4.0",
+        "symfony/security-csrf": "~3.4|~4.0",
        "psr/log": "~1.0"
    },
    "suggest": {
--- a/src/Symfony/Component/Security/composer.json
+++ b/src/Symfony/Component/Security/composer.json
@ -16,14 +16,11 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/event-dispatcher": "~2.8|~3.0|~4.0.0",
-        "symfony/http-foundation": "~2.8|~3.0|~4.0.0",
-        "symfony/http-kernel": "~3.3|~4.0.0",
-        "symfony/polyfill-php56": "~1.0",
-        "symfony/polyfill-php70": "~1.0",
-        "symfony/polyfill-util": "~1.0",
-        "symfony/property-access": "~2.8|~3.0|~4.0.0"
+        "php": "^7.1.3",
+        "symfony/event-dispatcher": "~3.4|~4.0",
+        "symfony/http-foundation": "~3.4|~4.0",
+        "symfony/http-kernel": "~3.4|~4.0",
+        "symfony/property-access": "~3.4|~4.0"
    },
    "replace": {
        "symfony/security-core": "self.version",
@ -32,12 +29,12 @@
        "symfony/security-http": "self.version"
    },
    "require-dev": {
-        "symfony/finder": "~2.8|~3.0|~4.0.0",
+        "symfony/finder": "~3.4|~4.0",
        "symfony/polyfill-intl-icu": "~1.0",
-        "symfony/routing": "~2.8|~3.0|~4.0.0",
-        "symfony/validator": "^2.8.18|^3.2.5|~4.0.0",
-        "symfony/expression-language": "~2.8|~3.0|~4.0.0",
-        "symfony/ldap": "~3.1|~4.0.0",
+        "symfony/routing": "~3.4|~4.0",
+        "symfony/validator": "~3.4|~4.0",
+        "symfony/expression-language": "~3.4|~4.0",
+        "symfony/ldap": "~3.4|~4.0",
        "psr/log": "~1.0"
    },
    "suggest": {
--- a/src/Symfony/Component/Serializer/composer.json
+++ b/src/Symfony/Component/Serializer/composer.json
@ -16,25 +16,25 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9"
+        "php": "^7.1.3"
    },
    "require-dev": {
-        "symfony/yaml": "~3.3|~4.0.0",
-        "symfony/config": "~2.8|~3.0|~4.0.0",
-        "symfony/property-access": "~2.8|~3.0|~4.0.0",
-        "symfony/http-foundation": "~2.8|~3.0|~4.0.0",
-        "symfony/cache": "~3.1|~4.0.0",
-        "symfony/property-info": "~3.1|~4.0.0",
+        "symfony/yaml": "~3.4|~4.0",
+        "symfony/config": "~3.4|~4.0",
+        "symfony/property-access": "~3.4|~4.0",
+        "symfony/http-foundation": "~3.4|~4.0",
+        "symfony/cache": "~3.4|~4.0",
+        "symfony/property-info": "~3.4|~4.0",
        "doctrine/annotations": "~1.0",
-        "symfony/dependency-injection": "~3.2|~4.0.0",
+        "symfony/dependency-injection": "~3.4|~4.0",
        "doctrine/cache": "~1.0",
        "phpdocumentor/reflection-docblock": "~3.0"
    },
    "conflict": {
-        "symfony/dependency-injection": "<3.2",
-        "symfony/property-access": ">=3.0,<3.0.4|>=2.8,<2.8.4",
-        "symfony/property-info": "<3.1",
-        "symfony/yaml": "<3.3"
+        "symfony/dependency-injection": "<3.4",
+        "symfony/property-access": "<3.4",
+        "symfony/property-info": "<3.4",
+        "symfony/yaml": "<3.4"
    },
    "suggest": {
        "psr/cache-implementation": "For using the metadata cache.",
--- a/src/Symfony/Component/Stopwatch/composer.json
+++ b/src/Symfony/Component/Stopwatch/composer.json
@ -16,7 +16,7 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9"
+        "php": "^7.1.3"
    },
    "autoload": {
        "psr-4": { "Symfony\\Component\\Stopwatch\\": "" },
--- a/src/Symfony/Component/Templating/composer.json
+++ b/src/Symfony/Component/Templating/composer.json
@ -16,7 +16,7 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9"
+        "php": "^7.1.3"
    },
    "require-dev": {
        "psr/log": "~1.0"
--- a/src/Symfony/Component/Translation/composer.json
+++ b/src/Symfony/Component/Translation/composer.json
@ -16,18 +16,18 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "symfony/polyfill-mbstring": "~1.0"
    },
    "require-dev": {
-        "symfony/config": "~2.8|~3.0|~4.0.0",
-        "symfony/intl": "^2.8.18|^3.2.5|~4.0.0",
-        "symfony/yaml": "~3.3|~4.0.0",
+        "symfony/config": "~3.4|~4.0",
+        "symfony/intl": "~3.4|~4.0",
+        "symfony/yaml": "~3.4|~4.0",
        "psr/log": "~1.0"
    },
    "conflict": {
-        "symfony/config": "<2.8",
-        "symfony/yaml": "<3.3"
+        "symfony/config": "<3.4",
+        "symfony/yaml": "<3.4"
    },
    "suggest": {
        "symfony/config": "",
--- a/src/Symfony/Component/Validator/composer.json
+++ b/src/Symfony/Component/Validator/composer.json
@ -16,26 +16,26 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "symfony/polyfill-mbstring": "~1.0",
-        "symfony/translation": "~2.8|~3.0|~4.0.0"
+        "symfony/translation": "~3.4|~4.0"
    },
    "require-dev": {
-        "symfony/http-foundation": "~2.8|~3.0|~4.0.0",
-        "symfony/intl": "^2.8.18|^3.2.5|~4.0.0",
-        "symfony/yaml": "~3.3|~4.0.0",
-        "symfony/config": "~2.8|~3.0|~4.0.0",
-        "symfony/dependency-injection": "~3.3|~4.0.0",
-        "symfony/expression-language": "~2.8|~3.0|~4.0.0",
-        "symfony/cache": "~3.1|~4.0.0",
+        "symfony/http-foundation": "~3.4|~4.0",
+        "symfony/intl": "~3.4|~4.0",
+        "symfony/yaml": "~3.4|~4.0",
+        "symfony/config": "~3.4|~4.0",
+        "symfony/dependency-injection": "~3.4|~4.0",
+        "symfony/expression-language": "~3.4|~4.0",
+        "symfony/cache": "~3.4|~4.0",
        "doctrine/annotations": "~1.0",
        "doctrine/cache": "~1.0",
        "egulias/email-validator": "^1.2.8|~2.0"
    },
    "conflict": {
        "phpunit/phpunit": "<4.8.35|<5.4.3,>=5.0",
-        "symfony/dependency-injection": "<3.3",
-        "symfony/yaml": "<3.3"
+        "symfony/dependency-injection": "<3.4",
+        "symfony/yaml": "<3.4"
    },
    "suggest": {
        "psr/cache-implementation": "For using the metadata cache.",
--- a/src/Symfony/Component/VarDumper/composer.json
+++ b/src/Symfony/Component/VarDumper/composer.json
@ -16,7 +16,7 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "symfony/polyfill-mbstring": "~1.0"
    },
    "require-dev": {
--- a/src/Symfony/Component/WebLink/composer.json
+++ b/src/Symfony/Component/WebLink/composer.json
@ -16,7 +16,7 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
        "fig/link-util": "^1.0",
        "psr/link": "^1.0"
    },
@ -24,9 +24,9 @@
        "symfony/http-kernel": ""
    },
    "require-dev": {
-        "symfony/event-dispatcher": "^2.8|^3.0|~4.0.0",
-        "symfony/http-foundation": "^2.8|^3.0|~4.0.0",
-        "symfony/http-kernel": "^2.8|^3.0|~4.0.0"
+        "symfony/event-dispatcher": "~3.4|~4.0",
+        "symfony/http-foundation": "~3.4|~4.0",
+        "symfony/http-kernel": "~3.4|~4.0"
    },
    "autoload": {
        "psr-4": { "Symfony\\Component\\WebLink\\": "" },
--- a/src/Symfony/Component/Workflow/composer.json
+++ b/src/Symfony/Component/Workflow/composer.json
@ -20,15 +20,15 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9",
-        "symfony/property-access": "~2.3|~3.0|~4.0.0"
+        "php": "^7.1.3",
+        "symfony/property-access": "~3.4|~4.0"
    },
    "require-dev": {
        "psr/log": "~1.0",
-        "symfony/dependency-injection": "~2.8|~3.0|~4.0.0",
-        "symfony/event-dispatcher": "~2.1|~3.0|~4.0.0",
-        "symfony/expression-language": "~2.8|~3.0|~4.0.0",
-        "symfony/security-core": "~2.8|~3.0|~4.0.0"
+        "symfony/dependency-injection": "~3.4|~4.0",
+        "symfony/event-dispatcher": "~3.4|~4.0",
+        "symfony/expression-language": "~3.4|~4.0",
+        "symfony/security-core": "~3.4|~4.0"
    },
    "autoload": {
        "psr-4": { "Symfony\\Component\\Workflow\\": "" }
--- a/src/Symfony/Component/Yaml/composer.json
+++ b/src/Symfony/Component/Yaml/composer.json
@ -16,10 +16,10 @@
        }
    ],
    "require": {
-        "php": ">=5.5.9"
+        "php": "^7.1.3"
    },
    "require-dev": {
-        "symfony/console": "~2.8|~3.0|~4.0.0"
+        "symfony/console": "~3.4|~4.0"
    },
    "suggest": {
        "symfony/console": "For validating YAML files using the lint command"