Php/docs/function.trader-ln
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trader_ln
(PECL trader >= 0.2.0)
trader_ln — Vector Log Natural
说明
trader_ln
( array $real
) : array
Calculates the natural logarithm for each value in
real
and returns the resulting array.
参数
real
- 浮点数数组。
返回值
Returns an array with calculated data or false on failure.