- var_dump: documentation ( source)
- bcmul: documentation ( source)
- floor: documentation ( source)
- bcadd: documentation ( source)
<?php
var_dump(floor((0.100+0.700)*10));
echo PHP_EOL;
var_dump(bcadd(0.1, 0.7));
echo PHP_EOL;
var_dump(floor(
bcmul(
bcadd(0.1, 0.7),
10
)
));