PHP Manual: Pop the element off the end of array

mixed array_pop(array &$array)

array_pop pops and returns the value of the last element of array, shortening the array by one element.

Note: This function will reset the array pointer of the input array after use.

Returns the value of the last element of array. If array is empty, null will be returned.

Example #1 array_pop example

<?php
$stack = array("orange", "banana", "apple", "raspberry");
$fruit = array_pop($stack);
print_r($stack);
?>

After this, $stack will have only 3 elements:

Array
(
    [0] => orange
    [1] => banana
    [2] => apple
)

and raspberry will be assigned to $fruit.

array_pop