How to convert excel formula to php?

Question

PHP

Is there such a formula in excel
=(LOG(D20+1;5)+LOG(D21+1;2))*(D22*D22)/25*D23
how to convert LOG to php way?
php.net/manual/ru/function.log.php - read, but how to output
$D20 = 1;
log($D20+1;5)?

Answer 1

$D20 = 1;
$D21 = 1;
$D22 = 1;
$D23 = 1;
$result = (log($D20+1, 5)+log($D21+1, 2))*($D22*$D22)/25*$D23;

echo $result;

sandbox.onlinephpfunctions.com/code/c57dbc28293816...