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.
範例 1. array_pop() example
<?php $stack = array("orange", "banana", "apple", "raspberry"); $fruit = array_pop($stack); print_r($stack); ?>
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After this, $stack will have only 3 elements:
Array ( [0] => orange [1] => banana [2] => apple )
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and raspberry will be assigned to
$fruit.
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警告 |
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().