lcg_value
Alternatively log(x, 10) may be used.
log10
(PHP 4, PHP 5)
log10 — Logarithme en base 10
Description
float log10
( float
$arg
)
Retourne le logarithme en base 10 de arg.
Liste de paramètres
-
arg -
L'argument à traiter
Valeurs de retour
Le logarithme en base 10 de arg.
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User Contributed Notes
log10 - [2 notes]
smalladi at lexgen dot com ¶
11 years ago
Note that log of a negative or undefined number returns -Infinity.