3v4l.org

run code in 500+ PHP versions simultaneously
<?php $row[3] = null; echo (float)number_format((float)$row[3], 2, '.', '');
Output for 8.2.31 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
0
preferences:
48.58 ms | 761 KiB | 4 Q