gmp_sign
PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8
gmp_sign - Sign of number
Manual
gmp_sign(
GMP|int|string$num ): int
Checks the sign of a number.
Parameters
- num
-
Either a GMP object, or a numeric string provided that it is possible to convert the latter to an int.
Return Values
Returns 1 if num is positive, -1 if num is negative, and 0 if num is zero.