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# Environment
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This component provides functionality that helps writing PHP code that has runtime-specific (PHP / HHVM) execution paths.
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[](https://packagist.org/packages/sebastian/environment)
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[](https://travis-ci.org/sebastianbergmann/environment)
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## Installation
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To add Environment as a local, per-project dependency to your project, simply add a dependency on `sebastian/environment` to your project's `composer.json` file. Here is a minimal example of a `composer.json` file that just defines a dependency on Environment 1.0:
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{
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"require": {
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"sebastian/environment": "1.0.*"
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}
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}
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## Usage
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```php
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<?php
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use SebastianBergmann\Environment\Runtime;
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$runtime = new Runtime;
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var_dump($runtime->getNameWithVersion());
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var_dump($runtime->getName());
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var_dump($runtime->getVersion());
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var_dump($runtime->getBinary());
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var_dump($runtime->isHHVM());
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var_dump($runtime->isPHP());
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var_dump($runtime->hasXdebug());
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var_dump($runtime->canCollectCodeCoverage());
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```
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### Output on PHP
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$ php --version
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PHP 5.5.8 (cli) (built: Jan 9 2014 08:33:30)
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Copyright (c) 1997-2013 The PHP Group
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Zend Engine v2.5.0, Copyright (c) 1998-2013 Zend Technologies
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with Xdebug v2.2.3, Copyright (c) 2002-2013, by Derick Rethans
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$ php example.php
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string(9) "PHP 5.5.8"
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string(3) "PHP"
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string(5) "5.5.8"
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string(14) "'/usr/bin/php'"
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bool(false)
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bool(true)
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bool(true)
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bool(true)
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### Output on HHVM
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$ hhvm --version
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HipHop VM 2.4.0-dev (rel)
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Compiler: heads/master-0-ga98e57cabee7e7f0d14493ab17d5c7ab0157eb98
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Repo schema: 8d6e69287c41c1f09bb4d327421720d1922cfc67
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$ hhvm example.php
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string(14) "HHVM 2.4.0-dev"
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string(4) "HHVM"
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string(9) "2.4.0-dev"
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string(42) "'/usr/local/src/hhvm/hphp/hhvm/hhvm' --php"
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bool(true)
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bool(false)
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bool(false)
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bool(true)
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