PHP中ArrayObject exchangeArray()函数的使用详解

ArrayObject exchangeArray( $inputArray )

<?php 
$arr = array("a" => "geeks", "b" => "are", "c" => "awesome"); 
  
// 创建数组对象
$arrObject = new ArrayObject($arr); 
  
// 新数组
$newArr = array("1" => "New", "2" => "Array"); 
  
// 在ArrayObject中交换数组
$arrObject->exchangeArray($newArr); 
  
print_r($arrObject);

ArrayObject Object
(
    [storage:ArrayObject:private] => Array
        (
            [1] => New
            [2] => Array
        )

)

<?php 
  
$arr = array("a" => "Welcome", "b" => "2", "c" => "GFG"); 
  
$arrObject = new ArrayObject($arr); 

$newArr = array("1" => "Hello", "2" => "World"); 
  
$arrObject->exchangeArray($newArr); 
  
print_r($arrObject);

ArrayObject Object
(
    [storage:ArrayObject:private] => Array
        (
            [1] => Hello
            [2] => World
        )

)