ArrayObject::exchangeArray
PHP function
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(PHP 5 >= 5.1.0, PHP 7, PHP 8)
Exchange the array for another one
Description
ArrayObject::exchangeArray(array|object $array): array
Exchange the current array with another array or object.
Parameters
arrayThe new
arrayorobjectto exchange with the current array.
Return Values
Returns the old array.
Examples
ArrayObject::exchangeArray() example
php
<?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);
var_dump($old);
var_dump($fruitsArrayObject);
?>The above example will output:
output
array(4) {
["lemons"]=>
int(1)
["oranges"]=>
int(4)
["bananas"]=>
int(5)
["apples"]=>
int(10)
}
object(ArrayObject)#1 (1) {
["storage":"ArrayObject":private]=>
array(3) {
[0]=>
string(9) "Amsterdam"
[1]=>
string(5) "Paris"
[2]=>
string(6) "London"
}
}