3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strip_tags("<<a>script>alert('XSS');<</a>/script>");
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
alert('XSS');
preferences:
77.03 ms | 1384 KiB | 4 Q