Draft of the license

Author: afilina

LICENSE.md

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+## Documentation Content Licensing
+
+This material may be distributed only subject to the terms and conditions set forth in the [Creative Commons Attribution 3.0 License][cca-license] or later.
+
+## Attribution
+
+This archive is adapted from the [PHP documentation archives][archives]. Original documentation written by the PHP Documentation Group.
+* PHP 4: [Contributors][php4-contrib]
+* PHP 5: [Contributors][php5-contrib]
+
+[cca-license]: http://creativecommons.org/licenses/by/3.0/
+[archives]: http://doc.php.net/archives/
+[php4-contrib]: https://php-legacy-docs.zend.com/manual/php4/en/preface#contributors
+[php5-contrib]: https://php-legacy-docs.zend.com/manual/php5/en/preface#contributors