SplObjectStorage::addAll

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

SplObjectStorage::addAll — Adds all objects from another storage

public SplObjectStorage::addAll(SplObjectStorage $storage): int

Adds all objects-data pairs from a different storage in the current storage.

The number of objects in the storage.

示例 #1 SplObjectStorage::addAll() example

<?php
$o = new stdClass;
$a = new SplObjectStorage();
$a[$o] = "hello";

$b = new SplObjectStorage();
$b->addAll($a);
echo $b[$o]."\n";
?>

以上示例的输出类似于：

hello

SplObjectStorage::removeAll() - Removes objects contained in another storage from the current storage

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