GMP_NEG(3) 1 GMP_NEG(3)
gmp_neg - Negate number
SYNOPSIS
GMP gmp_neg (GMP $a)
DESCRIPTION
Returns the negative value of a number.
PARAMETERS
o $a
-Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is
possible to convert the latter to a number.
RETURN VALUES
Returns -$a, as a GMP number.
EXAMPLES
Example #1
gmp_neg(3) example
<?php
$neg1 = gmp_neg("1");
echo gmp_strval($neg1) . "
";
$neg2 = gmp_neg("-1");
echo gmp_strval($neg2) . "
";
?>
The above example will output:
-1
1
PHP Documentation Group GMP_NEG(3)