Describe the purpose of the internal array pointer; provide an example
of when you might need to use an internal array pointer with associative
Below is e.g of internal array pointer uses.
Every array has an internal pointer to its "current" element,
which is initialized to the first element inserted into the
php has some predefined function which use the internal pointer.
for e.g current() function
This function return the value of array at current position of internal array pointer.
means value at which internal array pointer is pointing.
Best of luck.
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