log10
(PHP 4, PHP 5)
log10 — Base-10 logarithm
說明
float log10
( float $arg
)
Returns the base-10 logarithm of arg .
參數
- arg
-
The argument to process
Return值
The base-10 logaritm of arg
(PHP 4, PHP 5)
log10 — Base-10 logarithm
Returns the base-10 logarithm of arg .
The argument to process
The base-10 logaritm of arg