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
$stack = array ("orange", "banana", "apple", "raspberry");
$fruit = array_pop ($stack);
|
After this, $stack will
have only 3 elements:
Array
(
[0] = orange
[1] = banana
[2] = apple
)
|
and rasberry 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。
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See also array_push(),
array_shift(), and
array_unshift().