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+[![Latest Stable Version](https://poser.pugx.org/phpunit/php-code-coverage/v/stable.png)](https://packagist.org/packages/phpunit/php-code-coverage)
+[![Build Status](https://travis-ci.org/sebastianbergmann/php-code-coverage.svg?branch=master)](https://travis-ci.org/sebastianbergmann/php-code-coverage)
+
+# PHP_CodeCoverage
+
+**PHP_CodeCoverage** is a library that provides collection, processing, and rendering functionality for PHP code coverage information.
+
+## Requirements
+
+PHP 5.6 is required but using the latest version of PHP is highly recommended.
+
+### PHP 5
+
+[Xdebug](http://xdebug.org/) is the only source of raw code coverage data supported for PHP 5. Version 2.2.1 of Xdebug is required but using the latest version is highly recommended.
+
+### PHP 7
+
+Version 2.4.0 (or later) of [Xdebug](http://xdebug.org/) as well as [phpdbg](http://phpdbg.com/docs) are supported sources of raw code coverage data for PHP 7.
+
+### HHVM
+
+A version of HHVM that implements the Xdebug API for code coverage (`xdebug_*_code_coverage()`) is required.
+
+## Installation
+
+You can add this library as a local, per-project dependency to your project using [Composer](https://getcomposer.org/):
+
+    composer require phpunit/php-code-coverage
+
+If you only need this library during development, for instance to run your project's test suite, then you should add it as a development-time dependency:
+
+    composer require --dev phpunit/php-code-coverage
+
+## Using the PHP_CodeCoverage API
+
+```php
+<?php
+$coverage = new \SebastianBergmann\CodeCoverage\CodeCoverage;
+$coverage->start('<name of test>');
+
+// ...
+
+$coverage->stop();
+
+$writer = new \SebastianBergmann\CodeCoverage\Report\Clover;
+$writer->process($coverage, '/tmp/clover.xml');
+
+$writer = new \SebastianBergmann\CodeCoverage\Report\Html\Facade;
+$writer->process($coverage, '/tmp/code-coverage-report');
+```
+