3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo '<p>' . htmlspecialchars('<script>alert()</script>') . '</p>';
Output for 8.1.8 - 8.1.28, 8.2.10 - 8.2.18, 8.3.0 - 8.3.6
<p>&lt;script&gt;alert()&lt;/script&gt;</p>
preferences:
78.16 ms | 402 KiB | 28 Q