3v4l.org

run code in 500+ PHP versions simultaneously
<?php number_format(1.23456, -9876543210);
Output for 8.2.31 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.9
preferences:
26.47 ms | 762 KiB | 4 Q