$number
=
20
#1
|
array_sum
|
([0 => 2, 1 => 4, 2 => 6, 3 => 8])
|
#2
|
array_sum
|
(["a" => 1.2, "b" => 2.3, "c" => 3.4])
|
#3
|
array_sum
|
([])
|