{1,2,3}, {56,76,54,32}, {12,23,45,54,32,54}, {1,2,3,4,5,6,7}, {8,9,10,11,12,13,14,15}

Please suggest how do this using foreach function get output like this,

- "length of array 1 is 3"
- "length of array 2 is 4"
- "length of array 3 is 6"
- "length of array 4 is 7"
- "length of array 5 is 8"