3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo number_format(3.1415, -1, ".", ",");
Output for 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
0
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29
3
preferences:
70.86 ms | 407 KiB | 5 Q