Php/docs/function.gmp-neg
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gmp_neg
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_neg — Negate number
Parameters
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() 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