Issue drupal-composer#518: Bump minimum php version to 7.0.8

Author: webflo

README.md

@@ -14,7 +14,7 @@ the [Documentation on drupal.org](https://www.drupal.org/node/2471553).
 First you need to [install composer](https://getcomposer.org/doc/00-intro.md#installation-linux-unix-osx).
 
 > Note: The instructions below refer to the [global composer installation](https://getcomposer.org/doc/00-intro.md#globally).
-You might need to replace `composer` with `php composer.phar` (or similar) 
+You might need to replace `composer` with `php composer.phar` (or similar)
 for your setup.
 
 After that you can create the project:
@@ -23,16 +23,16 @@ After that you can create the project:
 composer create-project drupal-composer/drupal-project:8.x-dev some-dir --no-interaction
 ```
 
-With `composer require ...` you can download new dependencies to your 
+With `composer require ...` you can download new dependencies to your
 installation.
 
 ```
 cd some-dir
 composer require drupal/devel:~1.0
 ```
 
-The `composer create-project` command passes ownership of all files to the 
-project that is created. You should create a new git repository, and commit 
+The `composer create-project` command passes ownership of all files to the
+project that is created. You should create a new git repository, and commit
 all files not excluded by the .gitignore file.
 
 ## What does the template do?
@@ -53,26 +53,26 @@ When installing the given `composer.json` some tasks are taken care of:
 
 ## Updating Drupal Core
 
-This project will attempt to keep all of your Drupal Core files up-to-date; the 
-project [drupal-composer/drupal-scaffold](https://github.com/drupal-composer/drupal-scaffold) 
-is used to ensure that your scaffold files are updated every time drupal/core is 
-updated. If you customize any of the "scaffolding" files (commonly .htaccess), 
-you may need to merge conflicts if any of your modified files are updated in a 
+This project will attempt to keep all of your Drupal Core files up-to-date; the
+project [drupal-composer/drupal-scaffold](https://github.com/drupal-composer/drupal-scaffold)
+is used to ensure that your scaffold files are updated every time drupal/core is
+updated. If you customize any of the "scaffolding" files (commonly .htaccess),
+you may need to merge conflicts if any of your modified files are updated in a
 new release of Drupal core.
 
 Follow the steps below to update your core files.
 
 1. Run `composer update drupal/core webflo/drupal-core-require-dev "symfony/*" --with-dependencies` to update Drupal Core and its dependencies.
-1. Run `git diff` to determine if any of the scaffolding files have changed. 
-   Review the files for any changes and restore any customizations to 
+1. Run `git diff` to determine if any of the scaffolding files have changed.
+   Review the files for any changes and restore any customizations to
   `.htaccess` or `robots.txt`.
 1. Commit everything all together in a single commit, so `web` will remain in
    sync with the `core` when checking out branches or running `git bisect`.
-1. In the event that there are non-trivial conflicts in step 2, you may wish 
-   to perform these steps on a branch, and use `git merge` to combine the 
-   updated core files with your customized files. This facilitates the use 
-   of a [three-way merge tool such as kdiff3](http://www.gitshah.com/2010/12/how-to-setup-kdiff-as-diff-tool-for-git.html). This setup is not necessary if your changes are simple; 
-   keeping all of your modifications at the beginning or end of the file is a 
+1. In the event that there are non-trivial conflicts in step 2, you may wish
+   to perform these steps on a branch, and use `git merge` to combine the
+   updated core files with your customized files. This facilitates the use
+   of a [three-way merge tool such as kdiff3](http://www.gitshah.com/2010/12/how-to-setup-kdiff-as-diff-tool-for-git.html). This setup is not necessary if your changes are simple;
+   keeping all of your modifications at the beginning or end of the file is a
    good strategy to keep merges easy.
 
 ## Generate composer.json from existing project
@@ -86,7 +86,7 @@ that the generated `composer.json` might differ from this project's file.
 
 ### Should I commit the contrib modules I download?
 
-Composer recommends **no**. They provide [argumentation against but also 
+Composer recommends **no**. They provide [argumentation against but also
 workrounds if a project decides to do it anyway](https://getcomposer.org/doc/faqs/should-i-commit-the-dependencies-in-my-vendor-directory.md).
 
 ### Should I commit the scaffolding files?
@@ -111,11 +111,11 @@ achieve that by registering `@composer drupal:scaffold` as post-install and post
 ```
 ### How can I apply patches to downloaded modules?
 
-If you need to apply patches (depending on the project being modified, a pull 
-request is often a better solution), you can do so with the 
+If you need to apply patches (depending on the project being modified, a pull
+request is often a better solution), you can do so with the
 [composer-patches](https://github.com/cweagans/composer-patches) plugin.
 
-To add a patch to drupal module foobar insert the patches section in the extra 
+To add a patch to drupal module foobar insert the patches section in the extra
 section of composer.json:
 ```json
 "extra": {
@@ -132,14 +132,14 @@ Follow the instructions in the [documentation on drupal.org](https://www.drupal.
 
 ### How do I specify a PHP version ?
 
-This project supports PHP 5.6 as minimum version (see [Drupal 8 PHP requirements](https://www.drupal.org/docs/8/system-requirements/drupal-8-php-requirements)), however it's possible that a `composer update` will upgrade some package that will then require PHP 7+.
+This project supports PHP 7.0 as minimum version (see [Drupal 8 PHP requirements](https://www.drupal.org/docs/8/system-requirements/drupal-8-php-requirements)), however it's possible that a `composer update` will upgrade some package that will then require PHP 7+.
 
 To prevent this you can add this code to specify the PHP version you want to use in the `config` section of `composer.json`:
 ```json
 "config": {
     "sort-packages": true,
     "platform": {
-        "php": "5.6.40"
+        "php": "7.0.33"
     }
 },
 ```

composer.json

@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.6",
+        "php": ">=7.0.8",
         "composer/installers": "^1.2",
         "cweagans/composer-patches": "^1.6.5",
         "drupal-composer/drupal-scaffold": "^2.5",