3v4l.org

run code in 300+ PHP versions simultaneously
<?php $amounts = array(0.001, 0.005, 5.20, 5.195, 5.204, 5); foreach ($amounts as $amount) { echo $amount , "->" , (int)number_format($amount, 2, '', '')."\n"; }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
0.001->0 0.005->1 5.2->520 5.195->520 5.204->520 5->500

preferences:
146.42 ms | 408 KiB | 5 Q