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log10

(PHP 4, PHP 5)

log10 — Logaritmo base-10

float log10 ( float $arg )

Restituisce il logaritmo in base-10 di arg.

Vedere anche: log()

down

12 years ago


Note that log of a negative or undefined number returns -Infinity.

down

-2

jphansen at uga dot edu ¶

2 years ago


Alternatively log(x, 10) may be used.