(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_neg — Negate number
num
A
GMP
object, an
int
,
or a
string
that can be interpreted as a number following the same logic
as if the string was used in
gmp_init()
with automatic
base detection (i.e. when
base
is equal to 0).
Returns -
num
, as a GMP number.
Example #1 gmp_neg() example
<?php
$neg1
=
gmp_neg
(
"1"
);
echo
gmp_strval
(
$neg1
) .
"\n"
;
$neg2
=
gmp_neg
(
"-1"
);
echo
gmp_strval
(
$neg2
) .
"\n"
;
?>
The above example will output:
-1 1