PHP SplObjectStorage addAll()用法及代码示例

SplObjectStorage::addAll()函数是PHP中的内置函数，用于从另一个存储中添加元素。

用法:

void SplObjectStorage::addAll( $value )

参数：该函数接受单个参数$value，该参数保存需要导入的存储。

返回值：它不返回任何值。

以下示例程序旨在说明PHP中的SplObjectStorage::addAll()函数：

程序1:

<?php 
  
// Declare an empty std class 
$obj = new StdClass; 
  
// Declare an empty SplObjectStorage 
$gfg = new SplObjectStorage(); 
  
$gfg[$obj] = "GeeksforGeeks"; 
  
$gfg1 = new SplObjectStorage(); 
$gfg1->addAll($gfg); 
  
// Print result added to storage object 
echo $gfg1[$obj] . "\n"; 
?>

输出：

GeeksforGeeks

程序2:

<?php 
  
// Declare an empty std class 
$obj = new StdClass; 
$obj2 = new StdClass; 
  
// Declare an empty SplObjectStorage 
$gfg = new SplObjectStorage(); 
$gfg[$obj] = "GeeksforGeeks"; 
$gfg[$obj2] = "GeeksforGeeks2"; 
  
$gfg1 = new SplObjectStorage(); 
$gfg1->addAll($gfg); 
  
// Print result with whole object 
print_r($gfg1); 
?>

输出：

SplObjectStorage Object
(
    [storage:SplObjectStorage:private] => Array
        (
            [00000000219a7b260000000055def3bf] => Array
                (
                    [obj] => stdClass Object
                        (
                        )

                    [inf] => GeeksforGeeks
                )

            [00000000219a7b250000000055def3bf] => Array
                (
                    [obj] => stdClass Object
                        (
                        )

                    [inf] => GeeksforGeeks2
                )

        )

)

参考： https://www.php.net/manual/en/splobjectstorage.addall.php

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注：本文由纯净天空筛选整理自R_Raj大神的英文原创作品 PHP | SplObjectStorage addAll() Function。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。