Merge branch 'master' of github.com:php-ds/polyfill

Author: rtheunissen

CONTRIBUTING.md

@@ -0,0 +1,21 @@
+# Contributing
+
+Contributions are accepted via [pull requests](https://github.com/php-ds/ext/pulls). If you would like to report a bug, please create an [issue](https://github.com/php-ds/ext/issues) instead.
+
+## Issues
+
+- **How to reproduce** - Provide an easy way to reproduce the bug. This makes it easier for others to debug.
+
+- **Platform details** - Specify your platform and your PHP version, eg. "PHP 7.0.2 on Ubuntu 14.04 64x".
+
+## Pull Requests
+
+- **Add tests** - Your patch won't be accepted if it doesn't have tests where appropriate.
+
+- **Document any change in behaviour** - Make sure the README and any other relevant documentation updated.
+
+- **One pull request per feature** - If you want to do more than one thing, send multiple pull requests.
+
+- **Send coherent history** - Make sure each individual commit in your pull request is meaningful. If you had to make multiple intermediate commits while developing, please squash them before submitting.
+
+- **Coding style** - Try to match the style of the rest of the source wherever possible. Your patch won't be accepted if the style is significantly different.

LICENSE.md

@@ -0,0 +1,20 @@
+The MIT License (MIT)
+Copyright (c) 2016 Rudi Theunissen
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including  without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
+THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

composer.json

@@ -14,6 +14,9 @@
     "require-dev": {
         "php-ds/tests": "^1.1"
     },
+    "suggest": {
+        "ext-ds": "to improve performance and memory usage"
+    },
     "scripts": {
         "test": "phpunit -c ./vendor/php-ds/tests/phpunit.xml"
     },