3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strip_tags("<<a>script>alert('ciao');<</a>/script>");
Output for 4.3.0 - 4.3.9, 5.5.8, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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('ciao');
preferences:
103.17 ms | 2000 KiB | 4 Q