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run code in 300+ PHP versions simultaneously
<?php $foo = 'writing code'; ?> <h1 class="hstyle4">Hello World</h1> <p>I am <?php echo $foo; ?>, specifically HTML, outside of PHP. It's probably a lot more readable this way, and doesn't impact the server nearly as much by parsing unnecessary code that could have easily been handled another way.</p>
Output for git.master, git.master_jit, rfc.property-hooks
<h1 class="hstyle4">Hello World</h1> <p>I am writing code, specifically HTML, outside of PHP. It's probably a lot more readable this way, and doesn't impact the server nearly as much by parsing unnecessary code that could have easily been handled another way.</p>

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