Is the current value negative; less than zero.
public static isNegative ( integer $number ) : boolean | ||
$number | integer | |
return | boolean |
public function testIsNegative() { isTrue(Vars::isNegative(-1)); isTrue(Vars::isNegative(-384)); isFalse(Vars::isNegative(0)); isFalse(Vars::isNegative(34)); }