Oihana Php Core

sign.php

Returns the sign of a number.


    
                    sign(int|float $value) : int

example

use function oihana\core\numbers\sign;

sign( -42 )  ; // -1
sign( 0 )    ; //  0
sign( 3.14 ) ; //  1

author

Marc Alcaraz (ekameleon)

since

1.0.9

int —

-1 if the value is negative, 1 if it is positive, 0 if it is zero.