Note that log of a negative or undefined number returns -Infinity.
(PHP 4, PHP 5, PHP 7, PHP 8)
log10 — Logaritmo Base-10
$arg
) : float
Retorna o logaritmo na base-10 de arg
.
arg
O argumento para processar
O logaritmo na base-10 de arg
Note that log of a negative or undefined number returns -Infinity.