Count the list of array

{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"

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