(PHP 8 >= 8.4.0)
fpow — Raise one number to the power of another, according to IEEE 754
Returns the floating point result of raising
num
to the power of
exponent
.
If
num
is cero and
exponent
is less than cero, then
INF
is returned.
num
exponent
Returns a
float
corresponding to
$num
$exponent
.
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)