fpow
(PHP 8 >= 8.4.0)
fpow — Raise one number to the power of another, according to IEEE 754
Description
Returns the floating point result of raising
num to the power of exponent.
If num is zero and exponent
is less than zero, then INF is returned.
Parameters
num-
The base to use.
exponent-
The exponent.
Return Values
Returns a float corresponding to
$num$exponent.
Examples
Example #1 fpow() example
<?php
var_dump(fpow(10, 2));
var_dump(fpow(0, -3));
var_dump(fpow(-1, 5.5));
?>
The above example will output:
float(100)
float(INF)
float(NAN)
See Also
-
Exponentiation operator
**
- pow() - Exponential expression
- fdiv() - Divides two numbers, according to IEEE 754
- fmod() - Returns the floating point remainder (modulo) of the division
of the arguments
fmod
Math Functions