array_pop

(PHP 4 , PHP 5)

array_pop -- Pop the element off the end of array

Description

mixed array_pop ( array &array)

array_pop() pops and returns the last value of the array, shortening the array by one element. If array is empty (or is not an array), NULL will be returned.

備注:呼叫此函數後﹐陣列的指標會被重設()

示範 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.

切記!

這個函數可能回傳布林值 FALSE,但也可能回傳一個同於 FALSE 的非布林值,像是0或 ""請參考Booleans此節有更多資訊。使用 === 運算子來測試這個函數的回傳值。

See also array_push(), array_shift(), and array_unshift().