3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = '<p>Test paragraph.</p><!-- Comment --> <a href="#fragment">Other text</a>'; echo strip_tags($text); echo "\n"; // Allow <p> and <a> echo strip_tags($text, '<p><a></script><script>prompt()</script>'); ?>

preferences:
38.42 ms | 402 KiB | 5 Q