3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo number_format(12345, 1, '.', "--");
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
12--345.0
Output for 4.4.1 - 4.4.9, 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
12-345.0
Output for 4.3.0 - 4.3.11, 4.4.0, 5.0.0 - 5.0.4
12,345.0

preferences:
246.45 ms | 402 KiB | 311 Q