3v4l.org

run code in 500+ PHP versions simultaneously
<?php $price = 0.1 + 0.7; // 0.80 expected print_r(0.1 * (int)(10 * $price + 0.45)); // 0.8 echo "\n"; $price = 10.555; // 0.80 expected print_r(0.1 * (int)(10 * $price + 0.45)); // 0.8 echo "\n";

preferences:
41.69 ms | 1234 KiB | 5 Q