--- /dev/null
+What the Avro PHP library is
+============================
+
+A library for using [Avro](http://avro.apache.org/) with PHP.
+
+Requirements
+------------
+ * PHP 5
+ * On 32-bit platforms, the [GMP PHP extension](http://php.net/gmp)
+ * For testing, [PHPUnit](http://www.phpunit.de/)
+
+Both GMP and PHPUnit are often available via package management
+systems as `php5-gmp` and `phpunit`, respectively.
+
+Getting started
+---------------
+```
+$ composer require wikimedia/avro
+```
+
+History
+-------
+Extracted from https://github.com/apache/avro using `git subtree`.