| | log1p (PHP 4 >= 4.1.0) log1p -- Returns log(1 + number), computed in a way that is accurate even when the value of number is close to zero Descriptionfloat log1p ( float number) | Warning | This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk. |
| Warning | This function is currently not documented; only the argument list is available. |
Note: This function is not implemented on Windows platforms.
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