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PHP log1p() Function

PHP Math Reference

Complete PHP Math Reference

Definition and Usage

The log1p() function returns log(1+x), computed in a way that is accurate even when the value of x is close to zero.

Syntax

log1p(x)

Parameter	Description
x	Required. A number

Tips and Notes

Note: This function is EXPERIMENTAL. This means that the behavior of this function and the name of this function may change without notice in a future version of PHP!

PHP Math Reference

Complete PHP Math Reference

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