3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump((0.7 + 0.1) === 0.8);
Output for 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 - 8.1.29, 8.2.0 - 8.2.20, 8.3.0 - 8.3.8
bool(false)

preferences:
182.02 ms | 404 KiB | 264 Q