(PHP 8 >= 8.4.0)
fpow —Raise one number to the power of another, according to IEEE 754
Returns the floating point result of raisingnum
to the power ofexponent
. Ifnum
is zero andexponent
is less than zero, thenINF
is returned.
num
exponent
Returns afloat corresponding to$num$exponent
.
Example #1fpow() 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)