1 *** Testing each() : usage variations ***
3 -- Iteration 1: int data --
15 -- Iteration 2: float data --
27 -- Iteration 3: extreme floats data --
39 -- Iteration 4: null uppercase data --
51 -- Iteration 5: null lowercase data --
63 -- Iteration 6: bool lowercase data --
75 -- Iteration 7: bool uppercase data --
87 -- Iteration 8: empty double quotes data --
99 -- Iteration 9: empty single quotes data --
111 -- Iteration 10: string data --
123 -- Iteration 11: undefined data --
126 string(9) "undefined"
128 string(9) "undefined"
135 -- Iteration 12: unset data --