Exchange the array for another one

ArrayObject::exchangeArray

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

ArrayObject::exchangeArrayExchange the array for another one

說明

public ArrayObject::exchangeArray(array|object $array): array

Exchange the current array with another array or object.

參數

array

The new array or object to exchange with the current array.

返回值

Returns the old array.

範例

示例 #1 ArrayObject::exchangeArray() example

<?php
// Array of available fruits
$fruits = array("lemons" => 1"oranges" => 4"bananas" => 5"apples" => 10);
// Array of locations in Europe
$locations = array('Amsterdam''Paris''London');

$fruitsArrayObject = new ArrayObject($fruits);

// Now exchange fruits for locations
$old $fruitsArrayObject->exchangeArray($locations);
print_r($old);
print_r($fruitsArrayObject);

?>

以上例程會輸出:

Array
(
    [lemons] => 1
    [oranges] => 4
    [bananas] => 5
    [apples] => 10
)
ArrayObject Object
(
    [0] => Amsterdam
    [1] => Paris
    [2] => London
)

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