I have array of objects:
[{
 user: "userName1",
 roles: [7,4]
},
{
 user: "userName2",
 roles: [0,3]
},
{
 user: "userName4",
 roles: [7,2]
},
{
 user: "userName3",
 roles: [6,5]
}]
I need sort this array by roles. First roles[0] then roles[1].
My result must be sorted like this:
0. userName1
1. userName4
2. userName3
3. userName2
 
    