Null Coalescing
teste A
teste B
Spaceship
2<=>2 = 0
1<=>2 = -1
2<=>1 = 1
2.1<=>2.0 = 1
'a'<=>'b' = -1
'z'<=>'m'= 1
[1,2,3]<=>[1,1,1] = 1
[1,2,3]<=>[1,5,10] = -1
[1,2,3]<=>[1,10] = 1
intCompare(3,2) 1
intSpaceship(3,2) 1
Array
(
[0] => Cavalo
[1] => Burro
[2] => Mula
[3] => Jegue
)
Mula