gmp_sign
(PHP 4 >= 4.0.4, PHP 5)
gmp_sign — Sign of number
Description
int gmp_sign
( resource $a
)
Parameters
-
a
-
It can be either a GMP number resource, or a
numeric string given that it is possible to convert the latter to a number.
Return Values
Returns 1 if a
is positive,
-1 if a
is negative,
and 0 if a
is zero.
Examples
Example #1 gmp_sign() example
<?php
echo gmp_sign("500") . "\n";
echo gmp_sign("-500") . "\n";
echo gmp_sign("0") . "\n";
?>
The above example will output:
gmp_setbit
