Alternatively log(x, 10) may be used.
log10
(PHP 4, PHP 5)
log10 — Logaritmo base-10
Descrizione
float log10
( float
$arg
)
Restituisce il logaritmo in base-10 di arg.
Vedere anche: log()
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User Contributed Notes 2 notes
smalladi at lexgen dot com ¶
12 years ago
Note that log of a negative or undefined number returns -Infinity.