The each() function returns the current element key and value, and moves the internal pointer
This element key an value is returned in an array with four elements. Two elements (1 and Value)
for the element value, and two elements (0 and Key) for the element key.
This function returns FALSE if there are no more array elements.
Note: This function returns FALSE on empty elements or elements with no value.
The output of the code above will be:
Same example as above, but with a loop to output the whole array:
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