PHP Manual: array

function array_pop(array &$array): mixed

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