What is the purpose of the array_pop() function in PHP?

To remove and return the last element of an array
To add an element to the beginning of an array
To sort the elements of an array
To merge two arrays into a single array

The array_pop() function in PHP is used to remove and return the last element of an array. It modifies the original array by removing the last element and returns that element. This function is useful when you need to retrieve and remove the last element from an array. Learn more: http://php.net/manual/en/function.array-pop.php

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