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(PHP 5 >= 5.1.0, PHP 7, PHP 8)
ArrayObject::exchangeArray — Troca o array por outro
Retorna o array antigo.
Exemplo #1 Exemplo de ArrayObject::exchangeArray()
<?php
// Array de frutas disponíveis
$fruits = array("lemons" => 1, "oranges" => 4, "bananas" => 5, "apples" => 10);
// Array de locais na Europa
$locations = array('Amsterdam', 'Paris', 'London');
$fruitsArrayObject = new ArrayObject($fruits);
// Agora troque as frutas por locais
$old = $fruitsArrayObject->exchangeArray($locations);
print_r($old);
print_r($fruitsArrayObject);
?>
O exemplo acima produzirá:
Array ( [lemons] => 1 [oranges] => 4 [bananas] => 5 [apples] => 10 ) ArrayObject Object ( [0] => Amsterdam [1] => Paris [2] => London )