3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 'http://example.com/search.php?q=<script>DoSomething();</script>'; echo(htmlentities($a));
Output for 4.3.0 - 7.2.0
http://example.com/search.php?q=&lt;script&gt;DoSomething();&lt;/script&gt;